78results about How to "Improve soil conditions" patented technology

The invention discloses an organic fertilizer used for traditional Chinese medicinal materials and a preparation method thereof. The fertilizer is prepared by fermenting the following raw materials in parts by weight: 10-20 parts of complex microbial flora, 50-80 parts of traditional Chinese medicine powder, 10-20 parts of microelement fertilizer, 5-15 parts of water-retaining agent and 10-15 parts of phytosterol, wherein the traditional Chinese medicine powder is prepared from the following ingredients in parts by weight: 2-8 parts of radix angelicae sinensis, 10-30 parts of yellow cinnamon leaf, 20-25 parts of radix sophorae flavescentis, 10-15 parts of herba andrographitis, 20-25 parts of radix platycodonis, 10-15 parts of Chinese mahonia stem, 10-20 parts of folium eucalyptus robustae, 20-40 parts of garlic, 5-10 parts of herba selfheal and 20-30 parts of cortex cinnamomi; the complex microbial flora comprises at least two of bacillus licheniformis, saccharomycetes, lactobacillus, aspergillus niger and bacillus subtilis; the granularity of the traditional Chinese medicine powder is 300-800 meshes. According to the organic fertilizer, through an ingredient cooperation and fermentation process, soil environment can be improved, bacteria are inhibited, viruses are resisted, nutrition adsorption in traditional Chinese medicinal material plantation is accelerated, and the safety of the traditional Chinese medicinal material is improved.

The invention relates to the technical field of crop cultivation, in particular to a tea tree and soybean intercropping method including the following steps of (1) sowing time, (2) sowing method, (3) managing and (4) harvesting, wherein sowing is carried out after spring tea is picked. Soybeans have the function of nodule bacterium nitrogen fixation and can be used as green manure, and soil is turned in the full-bloom stage with the combination of tea garden intertillage; when leaves of plants turn yellow and the soybeans are ripe and full, soybeans are harvested, and branches and trunks are turned and buried. By means of the technical scheme, the method has the advantages of increasing soil fertility, improving the soil structure for intercropping of summer soybeans in newly cultivated tea gardens, and enabling the content of organic matter in soil to be remarkably increased. Physical and chemical properties of the soil are good, the soil is loose, the soil hardness can be lowered, water-stable aggregate structures are increased, and beneficial biological communities in the soil are increased.

The invention relates to an acidic copper tailing matrix improver, an improving matrix, a preparation method of the improver and an application of the improving matrix. The improver comprises components including bentonite, rice husk, sludge, coal cinder and animal dung. The problem of deficience of matrixes for plant growth in the vegetation rehabilitation process in the area of copper tailings can be specifically and effectively solved by means of the improver and the improving matrix. The improver has main functions of acid-base balance adjustment, nutrient and organic matter supply and texture improvement of the plant growth layer of the tailing area, is a high-quality and inexpensive matrix improvement material and is applied to acidic mine treatment and vegetation rehabilitation, the environmental pollution can be reduced, the mine environment is beautified, and the ecological and economic benefits are increased. The acidic copper tailing matrix improver and the improving matrix have the characteristics of simplicity and flexibility in operation and high adaptability.

The invention discloses a management method for a eucalyptus tree man-made forest. The management method comprises the steps of: preparing a forest land: cutting up and retaining logging residues in the forest land, performing soil preparation, then digging plant holes, wherein during arrangement of the plant holes, every two narrow rows and one wide rows form a group, multiple same groups are arranged in sequence, and after the plant holes are dug, an organic fertilizer is applied to each plant hole; performing forestation: selecting clone eucalyptus trees and native tree species to perform forestation, planting the eucalyptus trees on the narrow rows, and planting the native tree species on the wide rows; performing tending after forestation; performing fertilization: and performing cutting and constructing a multiple layered forest. According to the management method disclosed by the invention, by virtue of the means of adjusting the structure of the tree species, improving fertilizing and tending manners and updating a cutting mode, the productivity and carbon stock of the eucalyptus tree man-made forest are significantly improved, the capabilities of emission reduction and sink increment of the eucalyptus tree man-made forest are increased, the economic benefit and ecological benefit of the eucalyptus tree man-made forest are improved, the forest land is fully utilized, water and soil losses and land capability decline are effectively prevented, and sustainable management of the eucalyptus tree man-made forest is realized.

The invention relates to fertilizer, in particular to instant macroelement water-soluble fertilizer capable of increasing the soil organic matter content. The instant macroelement water-soluble fertilizer capable of increasing the soil organic matter content is prepared form components in parts by weight as follows: 100-200 parts of concentrated molasses yeast powder, 8-15 parts of poly potassium aspartate, 50-80 parts of citric acid, 3-10 parts of chitin, 30-50 parts of potassium carbonate, 10-30 parts of boric acid, 150-300 parts of urea, 200-400 parts of anhydrous dipotassium phosphate and 180-280 parts of ammonium polyphosphate. The fertilizer can be quickly dissolved, is fully water-soluble, can be applied to facility agriculture such as sprinkling and drip irrigation and the like and realizes integration of water and fertilizer and the efficiency of saving water, fertilizer and labor. The fertilizer can provide organic matters and various macroelement nutrients for soil and crops after usage.

The invention discloses a method for improving the soil fertility of a mountain tea garden. The method comprises tea garden soil improvement and balanced fertilization; the tea garden soil improvement comprises performing intermittent cultivation on the tea garden, wherein the intermittent cultivation comprises performing cultivation once in the spring tea additional fertilizer period, the summer tea additional fertilizer period and the autumn base fertilizer period of the cultivation year, planting ryegrass between rows of the tea garden after the last cultivation in the cultivation year and mowing and digging the ryegrass in the soil in the following June; the balanced fertilization comprises applying 29.5 to 30.5 kg fertilizer for tea to every mu of tea in the spring tea additional fertilizer period and the summer tea additional fertilizer period and applying 39.5 to 40.5 kg fertilizer for tea and 24.5 to 25.5 kg plant protein organic fertilizer to every mu of tea in the autumn base fertilizer period. According to the method for improving the soil fertility of the mountain tea garden, the soil fertility conditions of the soil of the mountain tea garden can be effectively improved.

The invention relates to the technical field of crop cultivation, in particular to a peanut high-yield cultivation method. The method includes the following steps that firstly, after crops are harvested in autumn in first year, deep scarification is conducted on a planting land once, the thickness of the soil loosening layer of the planting land ranges from 45 cm to 50 cm after deep scarification, and natural airing is conducted after the planting land is loosened deeply. According to the peanut high-yield cultivation method, the land leveling procedure is simplified, the soil structure is not destroyed, work is convenient and fast to conduct, the soil loosening degree is increased, and a hardening layer is broken through effectively. Compared with peanut plastic film mulching and cultivation in the prior art, the soil loosening depth is deepened by 15 cm to 20 cm, the soil loosening degree is increased greatly, the water-retaining property of soil is improved, the soil condition of the region where soil is easy to harden is improved greatly, growth of peanuts is promoted, the yield per mu of peanuts is increased, water resources are saved, the production cost is lowered, and the income of peasant households is increased greatly.

The invention discloses an ecological planting method for gold buds.The ecological planting method specifically includes the following steps that 1, selecting land; 2, cultivating land; 3, ditching; 4, fertilizing base fertilizer; 5, planting, wherein tea seedlings are planted, and the depth is planted; 6, covering; 7, interplanting, wherein leguminous plants with the high rhizomes are selected to be interplanted for juvenile-stage gold bud plantation, and deep-rootedness umbrella-shaped plants are selected for a grown gold bud plantation; 8, managing weeding and fertilizing, wherein in the juvenile-stage tea plantation, weeding is carried out in time according to the growth condition of weeds, and the less-fertilizing and frequent-fertilizing principle is adopted during fertilizing; 9, controlling pests, wherein a trap lamp and a trap plate are adopted to kill pests.According to the ecological planting method, as the refined, scientific and reasonable planting method is adopted, and nuisanceless technologies such as reasonable interplanting, plastic film mulching and biology insect prevention are relied on, the growth performance of gold buds is better, the yield of the gold buds is higher, the market requirement is met, and yield increasing and income creating for peasants are achieved.

The invention belongs to the plant cultivation technical field, and specifically relates to a Nymphaea 'Rose Arey' cultivation method comprising the following steps: seed source selection; culture pot preparation; planting; water level control; fertilization management and insect disease control; the method reasonably applies fertilizers in the Nymphaea 'Rose Arey' cultivation period, controls water level according to Nymphaea growth conditions, and uses a plant source pesticides to control aphids and Nymphaea water pyralids harming the Nymphaea, thus realizing standard management of the Nymphaea; the method can culture Nymphaea 'Rose Arey', the culture place is random, and large area cultivation can be realized; the Nymphaea 'Rose Arey' cultivation method is high in survival rate, prosperous in plants, good in vigor, less in insects, thus obtaining excellent Nymphaea 'Rose Arey' miniascape or flowers, and satisfying market demands.

The invention discloses a method for storing fertilizer and water in holes by film coverage, belonging to the technical field of fertilization. The method for storing the fertilizer and the water in the holes by film coverage comprises the following steps specifically: building ridges, ditching, digging the holes, putting straw bundles in the holes, applying fertilizer to the holes and irrigating the holes, covering the holes by plastic films; pressing the edges of the plastic films tightly by soil, digging a hole with a diameter of 10 cm in the center of each hole by a thin film hole puncher, inserting a rain-collecting fertilizer applicator in the center of each hole along the center of the hole of the plastic film until the upper edge of the rain-collecting fertilizer applicator is inserted in the hole. By adoption of the method for storing the fertilizer and the water in the holes by film coverage, rain and snow are sent to the effective parts of fruit tree roots with well developed root systems for absorbing water by the rain-collecting fertilizer applicators so as to meet needs of the fruit trees; therefore, the non-available water is changed into effective water; meanwhile, by film coverage, the low temperature is improved and the soil moisture evaporation is reduced; the fruit garden can save water by more than 70%; the manpower and material resources investment is reduced; the method has an effect of saving resources and cost.

The invention discloses a severe soda saline-alkaline land elaeagns angustifolia afforestation keep-alive method, and aims to provide new tree species and new methods for severe soda saline-alkaline land elaeagns angustifolia afforestation keep-alive in the northeast western area. The method comprises the steps of: planting with nutrient soil, timely nurturing and arranging necessary auxiliary engineering facilities, wherein the step of planting with nutrient soil comprises the following sub-steps of: 1, selecting the planting time; 2, selecting elaeagns angustifolia seedlings and cutting trunks; 3, determining the planting density; 4, preparing the nutrient soil; 5, digging seedling planting holes; and 6, adopting a method of burying for three times, stamping twice and lifting the seedlings once, timely watering and sealing piles in proper time; the step of timely nurturing comprises the sub-steps of loosening the soil and weeding twice in the first year, and cutting stubbles in the second year; and the step of arranging the necessary auxiliary engineering facilities comprises the sub-step of forming a deep-water motor-pumped well, protection trenches with the width of 4m and the depth of 2m and dual-purpose ditches for drainage and storage, wherein the step of forming the dual-purpose ditches comprises the step of forming dual-purpose ditches with the width of 0.6m and the depth of 0.8m at an interval of 30 to 50m in an afforestation plot.

An ecological planting rope of straw belongs to the field of water-saving and no-tillage agriculture, that the straw which is hard to be braided into straw rope is crushed into straw powder of Phi1-5mm, then mixed with straw zymocyte species and plant seeds uniformly to form a inner layer of the rope body. The mixture of the inner layer of the rope body is uniformly mixed with slow-release matetials for keeping water and fertilizer by absorbing water, water-absorbing materials and algae, which adheres tightly to the inner layer of the rope body to form a interlayer of the rope body. Otherwise, a uniformly rope body is formed by mixing the combination of the inner lay and the interlayer of the rope body renewedly. Outer layer of straw rope is braided with sraw materials to form the ecological planting rope of straw finally outside of the rope body, which has a cross-section of basically round, and a diameter for 10-50mm. Integration operation of sowing, watering, water-keeping, fertilize-keeping, soil condition of soil manure improvement and no-tillage planting, is achieved by using special sowing equipment for the planting rope, which has a function of field protection, ecological environment improvement, and ensuring traditional agriculture and forestry to be transformed into modern agriculture and forestry.

The invention discloses a fertilizing method for improving stress tolerance and productivity of a China fir planted forest. The method includes the following steps: when the China firs are arrayed in a matrix or a square matrix, a pit is dug in the middle of a connecting line between every two adjacent trees in the transverse and the longitudinal directions; every two adjacent trees in the transverse and the longitudinal directions share one pit; and four pits are dug on the periphery of each tree; stress tolerance health protection mycorrhiza fungicide and organic fertilizer are mutually spaced and placed in the four pits on the periphery of each tree, and earthing is performed then. The stress tolerance health protection mycorrhiza fungicide is compounded and formulated by mycorrhiza fungicide and rhodofix, and the mycorrhiza fungicide is fermented by lactarius subdulcis, lactariushatsudake and lactarius hatsudake; and biological organic fertilizer provides necessary nutrient for the growth of China firs, and the stress tolerance health protection mycorrhiza fungicide facilitates the rootage and growth of the China firs, so that the stress tolerance of the China firs as well as the soil condition and micro ecology environment are improved, the survival rate and growth rate of the China firs are enhanced, the rich water loss is reduced, and the competition for weeds below the China firs and shrub for fertilizer is alleviated.

The invention discloses a management method of an artificial forest of pinus massoniana. The method comprises the following steps of S1, preparation of forest land; S2, afforestation, wherein seedlings of pinus massoniana are planted in planting holes for afforestation; S3, tending after afforestation, wherein massive tending is conducted on tree species of pinus massoniana three times in the first year after afforestation, massive tending is conducted on the tree species of pinus massoniana twice in the second year, and massive tending is conducted on tree species of pinus massoniana once inthe third year; S4, intermediate cutting, wherein first intermediate cutting is conducted in the 6-8th year after afforestation, second intermediate cutting is conducted in the 11-15th year after afforestation, and third intermediate cutting and fourth intermediate cutting are conducted in the 25-30th year and the 40-45th year after afforestation respectively. By means of the management method ofthe artificial forest of pinus massoniana, broad-leaved native tree species are interplanted, the forest stand structure is optimized, the forest stand environment is improved, the artificial forest of pinus massoniana forms a near-naturalized mixed forest with needle-leaved and broad-leaved different-aged trees conveniently, the forest stand yield of the artificial forest of pinus massoniana is increased, and meanwhile the emission reduction and sink increment capabilities of the artificial forest of pinus massoniana are improved.

The invention discloses a layered deep fertilizing and seeding device and a layered deep fertilizing and seeding method. The device comprises a furrowing blade, a slow-release fertilizer tube, a first disc opener, a quick-acting fertilizer tube, a second disc opener, a covering device, a press wheel, a seed box, a four-bar copying mechanism, a quick-acting fertilizer box, a slow-release fertilizer box and a rack, wherein the quick-acting fertilizer box and the slow-release fertilizer box are arranged on the rack in parallel; the slow-release fertilizer tube and the slow-release fertilizer box are connected and arranged behind the furrowing blade; the quick-acting fertilizer tube and the quick-acting fertilizer box are connected and arranged behind the first disc opener; the rack is connected with a seeding monomer through the four-bar copying mechanism. According to the layered deep fertilizing and seeding device and the layered deep fertilizing and seeding method, the seed and fertilizer casting depth consistency can be improved, accurate layered fertilization is achieved and the fertilizer utilization efficiency is improved.

The invention discloses a soil restoration agent with a heavy metal pollution treatment function and a fertilizing function and a preparation process of the soil restoration agent. The soil restoration agent is mainly prepared from the following raw materials in parts by weight: 260 to 310 parts of organic fertilizer, 25 to 31 parts of microbial agent, 0.03 to 0.07 part of difenoconazole, 0.05 to 0.1 part of pyrethrum, 0.03 to 0.09 part of rotenone, 0.04 to 0.08 part of chlorothalonil and 0.02 to 0.06 part of lactobacillus plantarum. The organic fertilizer is used as a main raw material, the microbial agent, insecticidal and sterilized vegetable drug and chemicals capable of alleviating the harm of soil heavy metal are added, so that not only can the fertilizer effect of the soil be improved, but also the soil restoration agent can enter the soil deeply to improve the heavy metal pollution and prevent the disease and insect pests.

The invention relates to fertilizer, in particular to instant microelement water-soluble fertilizer capable of increasing the soil organic matter content. The instant microelement water-soluble fertilizer capable of increasing the soil organic matter content is prepared form components in parts by weight as follows: 450-550 parts of concentrated molasses yeast powder, 8-15 parts of poly potassium aspartate, 50-80 parts of citric acid, 20-40 parts of sodium bicarbonate, 20-40 parts of disodium octaborate tetrahydrate, 150-300 parts of zinc sulphate monohydrate, 100-200 parts of manganese sulfate, 5-15 parts of iron EDTA (ethylene diamine tetraacetic acid), 5-15 parts of copper EDTA and 0.5-1.5 parts of ammonium molybdate. The fertilizer can be quickly dissolved, is fully water-soluble, can be applied to facility agriculture such as sprinkling and drip irrigation and the like and realizes integration of water and fertilizer and the efficiency of saving water, fertilizer and labor. The fertilizer can provide organic matters and various microelement nutrients for soil and crops after usage.

The invention discloses a method for preparing a chitosan slow-release fertilizer by using a spray-drying method. The method comprises the following steps: (1) dissolving chitosan, namely, adding 0.5-1g of chitosan with the deacetylation degree mass percentage greater than 88% into 100ml of water, simultaneously adding 0.5-1ml of acetic acid, stirring for 30 minutes so as to prepare a chitosan acetic acid solution with the mass percentage of 0.51%; 2) preparing a fertilizer solution; 3) spray-drying, namely, drying the fertilizer-chitosan acetic acid solution by using a spray-drying technique so as to obtain powder, thereby obtaining fertilizer-chitosan powder, wherein the spray-drying conditions are that the air inlet temperature is 150-180 DEG C, the air outlet temperature is 60-90 DEG C; 4) pelleting; 5) packaging. The method has the technical effects that chitosan is taken as a substrate in which fertilizers such as urea, potassium nitrate and organic matters are wrapped, the prepared fertilizer is powder and can be further pelleted to form a granular fertilizer by using a pelleting machine, the release time of the fertilizer can be prolonged, the fertilizer efficiency is relatively long-lasting, fertilizer loss can be reduced, the environment pollution can be reduced, and chitosan can improve the anti-disease property of plants and can effectively improve the conditions of soil.

The invention discloses a fertilizer additive. The additive comprises, by weight, 5-10 parts of chitosan, 7-13 parts of humic acid, 10-20 parts of modified montmorillonite, 6-11 parts of sepiolite powder, 3-8 parts of coal gangue, 4-6 parts of potassium fulvic acid, 1-3 parts of litsea elongate leaves, 2-4 parts of cuscuta chinensis, 2-4 parts of dried pueraria lobata branches and leaves, 1-2 parts of dried wild chrysanthemum flowers, 2-3 parts of maggot powder, 30-40 parts of soybean bran, 4-9 parts of seaweed powder, 2-7 parts of borax and 2-4 parts of water-retaining agent. According to thefertilizer additive, the environment is protected, the soil is improved, the effective components of fertilizer are increased, the slow release effect is remarkable, the utilization rate of the fertilizer is increased, and the fertilizer additive is an environment-friendly fertilizer additive suitable for various kinds of chemical fertilizer.

The invention relates to a seed furrow liquid spraying type seed anti-bouncing device which comprises a frame, a handle welded part and two cutter discs, wherein the handle welded part comprises a handle, two stepped shafts and a seed guide pipe; the stepped shafts are symmetrically fixed under the two sides of the handle; the seed guide pipe is fixedly arranged on the surface of the handle along an advancing direction of the device in a bias form; the two cutter discs are respectively arranged on the two stepped shafts; the device is characterized in that a water pump is welded between the frame and the handle welded part; a water tank or a drug box is connected with a liquid inlet of the water pump; a flow guide pipe is connected with a liquid outlet of the water pump; a water outlet of the flow guide pipe is toward the advancing direction of the device; a PLC controller and a direct current power supply are arranged on the frame; a power supply input end of the PLC controller is connected with a power supply output end of the direct current power supply; the water pump is connected with the PLC controller; an inclined angle of the projections of the axis of the stepped shafts and the asymmetry axis of the handle welded part along the advancing direction is alpha; alpha is more than or equal to 2 phi / 5 but less than or equal to phi / 2; the inclined angle of the projections of the axis of the stepped shafts and the asymmetry axis of the handle welded part in a horizontal plane is beta; beta is more than or equal to 2 phi / 5 but less than or equal to phi / 2. The device can effectively control the seed falling position and can promote the seed feeding precision.

The ecological planting stalk rope is prepared through grinding stalk into stalk powder; mixing with fermenting strain and plant seed, setting the mixture inside rope; mixing water absorbing, fertilizer fixing and water fixing slowly releasing material with water absorbing material without environmental pollution and algae material to form the outer layer mixture; coating the inside mixture with the outer layer mixture; and weaving outer stalk rope. The ecological planting stalk rope has circular cross section of diameter 10-50 mm, and is used in special seeding machine and tool to realize integrated seeding, watering, water fixing, fertilizer fixing, soil improvement and no-tillage operation. Its use can protect farm land resource and improve ecological environment.

The present invention discloses application and an application method of special compound fertilizer for saline-alkali soil to acacia planting. The fertilizer is administered in saline-alkali soil for acacia planting. The special compound fertilizer comprises a microbial agent, a mineral fertilizer, an organic fertilizer, a slow release fertilizer and a controlled-release fertilizer by the mass ratio of 2:8:60:10:20. The fertilizer applied to acacia planting can effectively improve the transplant survival rate of acacia to 95.1%; and the fertilizer and acacia planting can improve saline-alkali soil structure, reduce salinity and pH value of the soil, increase soil fertility, and maintain lasting fertility, and is particularly conducive to improving the saline-alkali soil.

The invention discloses a hard pod sweet pea culturing method. The culturing method is characterized by comprising the following steps of land selecting, land arrangement, sowing, and timely harvesting. The hard pod sweet pea culturing method has the advantages that the method is scientific and reasonable, the nutrients required in the whole plant growth period are provided by an added soil improving agent, a good soil condition is created for the crop growth, the function of improving the soil fertility is realized, and the quality of the hard pod sweet pea is ensured.

The invention discloses a soil remediation agent for treating heavy metal contaminated soil. The soil remediation agent is prepared from, by mass, 260-310 parts of organic fertilizer, 25-31 parts of microorganism bacterium agent, 0.03-0.07 part of difenoconazole, 0.05-0.1 part of pyrethrum, 0.03-0.09 part of trifoliate jewelvine roots or stems, 0.04-0.08 part of chlorothalonil and 0.02-0.06 part of lactobacillus plantarum. According to the soil remediation agent for treating the heavy metal contaminated soil, the organic fertilizer serves as the main raw material, the microorganism bacterium agent capable of reducing soil heavy metals and the vegetable drug and chemicals capable of killing insects and achieving sterilization are added, not only can the soil fertilizer efficiency be improved, but also the soil remediation agent can penetrate into the soil, heavy metal contamination is improved, and diseases and insect pests are prevented and treated.

A medium trace element long-acting compound fertilizer capable of improving soil and suitable for black earth comprises, by weight, 15-25 parts of organic fertilizer, 8-15 parts of potash fertilizer,7-15 parts of phosphate fertilizer, 4-6 parts of medium trace elements, 10-30 parts of humic acid activated through an ammoniation method, 4-6 parts of macromolecular organic protein water-retaining agent, 0.2-0.5 part of composite microbial flora and 0.6-0.9 part of coating nutrition agent. The composite microbial flora is a mixture of Fungi IMperficti, Trichoderma Viride and Bilaiae Penicilliumin the weight ratio of 4:3:3. The compound fertilizer solves the antagonism problem of elements in the fertilizer, so that organic substances of the black earth are increased, stable yield and yield increase of crops are guaranteed, and the soil of the black earth can be improved.

The invention discloses a special fertilizer for populus tomentosa seedlings and a preparation method thereof. The fertilizer takes power plant ash as a potassium source, has the advantages of balanced N, P and K proportion, comprehensive and balanced fertility and obvious effect on promoting the growth of populus tomentosa, and can be used for improving the yield and quality of populus tomentosa and ensuring the high seedling quality index. As the fertilizer takes the power plant ash obtained after utilizing the cotton stalk resource for power generation as the source of potassium fertilizers, not only can the power plant waste be turned into wealth, so that the whole cotton stalk resource is effectively recycled, but also the bulk blending fertilizer prepared with the waste power plant ash as the source can be used for reducing the environmental pollution and lowering the fertilizer production cost.

The invention relates to a method for planting populus euphratica in saline and alkaline land. The method comprises the steps that pits are dug in the saline and alkaline land, wherein the pits are dug according to the requirements that the plant spacing is 5 m, the line spacing is 5 m, the diameter is 80 cm, and the depth is 80 cm; microbial fertilizer is applied at the bottoms of the pits, the microbial fertilizer and bottom soil are mixed to be uniform, and populus euphratica plants are put into the pits and covered with soil; a pit with the diameter of 30 cm and the depth of 40 cm is dug between every two adjacent populus euphratica plants and wetted with fresh water, microbial fertilizer is applied, and nitraria tangutorum plants are put into the pits according to the specification of about 200 plants per mu and covered with soil; planting soil is spread on the surface; after field planting is conducted, free flooding irrigation is conducted; daily management of the trees is conducted; pruning and weeding or pest control are conducted. According to the method, saline-alkaline land reclamation is conducted by taking the populus euphratica as a main means, cooperating with planting of the nitraria tangutorum plants and coordinating with the microbial fertilizer, soil of a planting area is effectively improved, the PH value of the soil is decreased to 7.1, the alkalization degree of the soil is decreased to 2.5%, the salt content is decreased to 0.15%, the survival rate of the plants is 95% or above, and economic benefits are significantly increased.

The invention discloses an organic fertilizer dedicated for a navel orange tree and a preparation method thereof. The organic fertilizer dedicated for the navel orange tree is prepared from the ingredients: chicken manure, cow dung, bran powder, corn meal, humic acid, a fermentation agent, bacillus subtilis, rhizobia, actinomycetes, lactic acid bacteria, antagonistic bacteria, protease, cellulase, calcium superphosphate, boric acid and zinc sulfate monohydrate. The preparation method of the organic fertilizer dedicated for the navel orange tree is characterized by comprising the following steps: evenly mixing the bacillus subtilis, the rhizobia, the actinomycetes, the lactic acid bacteria, the antagonistic bacteria, the protease, the cellulase, the corn meal, the boric acid and the zinc sulfate monohydrate for later use; evenly mixing the chicken manure, the cow dung, the bran powder, the calcium superphosphate, the humic acid and the fermentation agent; fully and evenly mixing the microbial inoculum obtained in the first step and materials obtained in the second step; then stacking and turning over, and testing the temperature every day; turning over again when the stacking temperature reaches 75 DEG C and is maintained for 48 hours; after the temperature of the materials is about to reach 30 DEG C, ending the fermentation of the materials; crushing and sieving the fermented materials, and finally packaging.

The invention discloses an organic fertilizer for cultivation of longan. The organic fertilizer is characterized by being prepared from the following raw materials by weight: 35 to 40 parts of residues of biogas fermentation, 25 to 30 parts of starch dregs, 10 to 15 parts of wheat bran, 3 to 5 parts of domestic fungus residues, 5 to 10 parts of dry powder of molasses-alcohol waste liquid, 130 to 150 parts of urea, 100 to 150 parts of potassium chloride, 50 to 70 parts of potassium magnesium fertilizer, 120 to 160 parts of calcium superphosphate, 20 to 25 parts of lime sludge of sugar refinery, 7 to 9 parts of silicon-calcium-magnesium microelement fertilizer, 7 to 9 parts of ammonium sulfate, 15 to 20 parts of lignin phosphate fertilizer, 4 to 6 parts of calcium lignin sulphonate, 10 to 15 parts of ammonium humate and 3 to 5 parts of iron urea humate. The organic fertilizer has comprehensive nutrients and stable and long-lasting fertilizer efficiency, can meet nutritional demands of longan, improve the growing speed of longan, enhance the output and quality of longan and the properties of soil and promote formation of the granular structure of soil, enables soil to become loose and soft, improves soil structure and soil fertility and has substantial environmental protection value, economic benefits and the like.