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70 results about "Field plot" patented technology

Compound humic acid liquid fertilizer

The invention relates to a compound humic acid liquid fertilizer which uses water as a solvent and comprises humic acid, abundant nutrients and a plant growth regulator. The compound humic acid liquid fertilizer is prepared from the following components in percentage by mass: 12-20% of fulvic acid, 10-15% of urea, 16-24% of potassium dihydrogen phosphate, 0.3-0.5% of compound sodium nitrophenolate, 0.3-0.5% of sodium naphthaleneacetate, 0.2-0.3% of sodium alginate, 2-2.5% of sucrose and the balance of water. Every mu of soil needs 250-300mL of stock solution, and the stock solution is dilutedby 80-100 times, and sprayed on the foliage or poured to the root. The field plot experiment on fertilizer efficiency indicates that by using the compound humic acid liquid fertilizer, the yield of Brassica chinensis is increased by 8-9%, the yield of rapes is increased by 7-8%, and the yield of strawberries is increased by 22.9%.

Honeysuckle picking robot

The invention discloses a honeysuckle picking robot which comprises a picking device connected with a picking box. The picking device is installed on a mechanical arm, a visual recognition and positioning device is further installed on the mechanical arm, the mechanical arm is connected with a cart body through a turntable mechanism, a control device, a power supply device and the picking box are installed on the cart body, the cart body is further provided with a lifting mechanism, the lifting mechanism is connected with a wheel mechanism, the wheel mechanism, the lifting mechanism, the turntable mechanism, the mechanical arm, the picking device and the visual recognition and positioning device are further respectively connected with the control device, and the control device is connected with the power supply device. The honeysuckle picking robot can achieve the plane finding effect in a field plot by utilizing the lifting mechanism and the control device and adopts a plate-shaped isolation screen having certain thickness and provided with small through holes, so that the quality of collected honeysuckles is improved, and economic benefit is increased.
Owner:张永清

Construction method for summer corn nitrogen content monitoring model based on canopy spectrum information

The invention discloses a construction method for summer corn nitrogen content monitoring model based on canopy spectrum information. According to the method, four kinds of summer corn nitrogen content monitoring models are constructed by taking original spectral reflectivity and first derivative spectrum most sensitive band, an optimal band combination and optimal spectrum index as basis by performing test analysis on the change characteristics of summer corn plant canopy spectral reflectivity in different fertilizing levels by a mini lysimeter, researching the response relation between the summer corn plant canopy spectral reflectivity and a first derivative and nitrogen content thereof, screening a sensitive band for corn canopy nitrogen content monitoring, and determining an optimal band combination is determined, and meanwhile, screening optimal spectral index; the four kinds of summer corn nitrogen content monitoring models are calibrated by model evaluation index, and verification is performed by using field plot test data, so as to confirm an optimal monitoring model. The monitoring model can be used for monitoring the nitrogen content of summer corn in the whole growth period, and has important theoretical and practical meaning for realizing large-scale crop nitrogen content non-destructive monitoring and precise water and fertilizer management.
Owner:CHINA INST OF WATER RESOURCES & HYDROPOWER RES

Fertilizer formula for high-yield cultivation of selenium-rich wax gourds

A high-yield cultivation method for wax gourds comprises the following steps of readjusting field plots; seeding in good time; preparing nutrition cups by using rotten chicken manure, soil, compound fertilizers and selenium yeast to cultivate strong seedlings; performing transplanting and field planting; erecting a rack to guide vines; preparing liquid fertilizers by using 100 parts of superphosphate, 1 part of the selenium yeast and 1000 parts of water; spraying the fertilizers on the wax gourds in the fruiting period so as to prevent insects and diseases; and harvesting the wax gourds in good time. The high-yield cultivation method has the advantages that by the scheme, the yield of the wax gourds is increased by 20%, and the selenium content of the wax gourds is improved and is 200-250 micrograms per kilogram of the wax gourds after being detected.
Owner:广西博白县琼达农业科技有限公司

Method for TWS tracking radar plot and track association processing

The invention discloses an effective processing scheme of radar system track processing field plot report and track association of a scanning and tracking system. According to the scheme, by designing different sector dividing modes of system tracks and plot reports, the number of the plot reports for performing association detection with the system tracks is reduced, and the goal of reducing wrong association and improving real-time processing is achieved. Meanwhile, the invention further provides a method for association when a radar station is nearby.
Owner:SICHUAN UNIV

Application of Bacillus methylotrophicus ZBL-1 in control of cotton verticillium wilt

The invention discloses an application of Bacillus methylotrophicus ZBL-1 in control of cotton verticillium wilt. The Bacillus methylotrophicus ZBL-1 with CGMCC No.11636 and higher inhibition effect on verticillium dahlia is obtained through separation, screening, breeding and domestication of soil samples collected in the cotton fields with severe diseases in Shihezi city and is obviously different from common Bacillus methylotrophicus strains, and meanwhile, the control effect of the screened strain ZBL-1 on the cotton verticillium wilt in indoor pot culture experiments is 73.0%; the control effect of the screened strain ZBL-1 in field plot experiments is 43.1%, and whether in development of a new biopesticide or biological control agent, the Bacillus methylotrophicus ZBL-1 as a biological control material for the cotton verticillium wilt has very good application prospect and has realistic significance and functions.
Owner:CHINA AGRI UNIV +1

Improved insect control strategies utilizing pheromones and rnai

InactiveUS20190343122A1Reducing and preventing plant damageReduces and prevents plant damageBiocideClimate change adaptationSemiochemicalField plot
Systems and methods of preventing or reducing crop damage from pests are provided. In one embodiment, the method comprises: a) applying a mating disruption tactic to a field plot; and b) disrupting expression of one or more target genes in one or more pests, wherein crop damage is reduced in the field plot. In another embodiment, the method comprises applying an attract-and-kill tactic to a field plot, wherein said attract-and-kill tactic comprises: a) applying one or more semiochemicals or factors; and b) disrupting expression of one or more target genes in one or more pests, wherein said disruption is capable of killing the one or more pests, wherein crop damage is reduced in the field plot.
Owner:PROVIVI

Construction method for field plot trial of fertilizer application to paddy fields

The invention discloses a construction method for a field plot trial of fertilizer application to paddy fields. Through the selection of a test field, ridges of plots and footpaths are constructed by repeatedly settling moist soil in a paddy field; a plot irrigation mode that main grooves are connected with small grooves is adopted so as to increase the repeated treatment times of each plot; the plots are set in a block so as to ensure that the density of transplants and the number of seedlings in the plots are identical. The construction method comprises the following steps: A, selecting the test field; B, setting the plots; C, constructing the plots; D, applying fertilizers to the plots; F, raising and transplanting seedlings; G, irrigating the plots; H, intertilling and weeding; I, controlling pest; J, harvesting rice; H, sampling soil and ground water. The test plots are simple in structure and low in construction cost, and the cross flow of water and nutrients among the plots are effectively avoided. Therefore, the construction method is suitable for various field plot trials of short-term and long-term fertilizer application, agricultural chemicals, varieties, irrigation, cultivation, discharge of greenhouse gasses, and runoff and leaching loss of nitrogen and phosphorus nutrients.
Owner:INST OF SUBTROPICAL AGRI CHINESE ACAD OF SCI

Bacillus methylotrophicu and application

ActiveCN109825455AEfficient inhibitory effectGood control effectBiocideBacteriaMicroorganismTriticum turgidum
The invention belongs to the technical field of biological pesticide and relates to a strain of bacillus methylotrophicu with high antagonistic activity on wheat scab caused by fusarium asiaticum andfield application, in particular to a kind of bacillus methylotrophicu and application. The preservation number of bacillus methylotrophicu is CGMCC NO:16842, and the preservation unit is the China General Microbiological Culture Collection Center (CGMCC). According to bacillus methylotrophicu and the application, biocontrol bacteria with high inhibitory activity on fusarium asiaticum are screenedout for the first time, and a good control effect is achieved on wheat scab in field plot experiments.
Owner:BIOTECH CENT OF SHANDONG ACAD OF SCI

Garlic speed planting method

The invention discloses a garlic speed planting method. The method comprises the steps of garlic seed preparation, garlic planting field plot selection, garlic planting field plot preparation, garlic management, garlic sprout harvesting and seed reserving in the garlic field. Garlic seed preparation is achieved through variety section, garlic clove peeling and garlic clove selection. Garlic planting field plot selection is about selecting a fertile one-terrace or two-terrace field which has not been used for planting garlic for multiple years, has a thick soil layer and can achieve irrigation and drainage conveniently. Garlic planting field plot preparation is achieved through field plot clearing, fertilizer application and soil preparation. Garlic seeding is achieved through ditch shoveling, seed clove sowing, seed clove covering achieved through shoveling, dividing and pre-emergence herbicide application. Garlic management is achieved through disease and pest control, manual weeding, and watering and topdressing after sprouting. Garlic harvesting is achieved through sprout digging, sprout pulling, sprout picking, sprout bundling and coming into the market for trading. Seed reserving in the garlic field is achieved through manual clove insertion on part of the field during sowing so that garlic sprouts and seed cloves can be harvested in the next April. According to the method, in the garlic sowing season, the technology can be adopted on any field plot, and the technical problem of low garlic production efficiency is solved.
Owner:林天国

New large-capacity enclosed ground flare

The invention discloses a new large-capacity enclosed ground flare, which includes a combustion chamber, a plurality of burners arranged in the combustion chamber, exhaust gas branch pipes connected with the plurality of burners, and an ignition control system; the exhaust gas The branch pipe is connected through the gas collecting main pipe; the characteristic is that the cross-section of the combustion chamber is rectangular, and the burners are arranged in rows in the combustion chamber. Since the combustion chamber is designed as a rectangular combustion chamber, it can be designed according to the shape of the site plot, reducing the floor space and saving land resources, so as to meet the requirements of multiple production devices or multiple factories sharing the torch system, thus adapting to various designs of processing capacity. The processing capacity of a single seat can reach 300t / h~1000t / h, far exceeding the processing capacity of the cylindrical combustion chamber. Combined with the arrangement of burners in rows and rows, the arrangement of burners is simpler, which is beneficial to simplify the hierarchical pipeline and control, facilitate inspection and maintenance, and ensure that each burner gets enough air to improve the combustion effect.
Owner:NO 711 RES INST CHINA SHIPPING HEAVY IND GRP

Trichoderma harzianum TW21990 for preventing and treating gray mold of leek and application of trichoderma harzianum TW21990

The invention discloses trichoderma harzianum TW21990 for preventing and treating gray mold of leek and an application of the trichoderma harzianum TW21990. The trichoderma harzianum TW21990 is preserved in China General Microbiological Culture Collection Center, a preservation number of the trichoderma harzianum TW21990 is CGMCC No.12864, and the preservation date of the trichoderma harzianum TW21990 is September 1, 2016. The leek gray mold pathogenic bacteria botrytis cinerea are used as targets; the efficient antagonistic trichoderma is screened by adopting a flat plate antagonistic mode; the trichoderma harzianum strain TW21990 for efficiently preventing and treating the gray mold of the leek is obtained by adopting field plot trial secondary screening, the prevention and treatment effect of plots on the gray mold of the leek is 90% or above, a preparation used for flushing application and spraying is developed, and the effect of preventing and treating the gray mold of the leek is85% or above when the preparation is applied to fields.
Owner:ECOLOGY INST SHANDONG ACAD OF SCI

Mudflat desalination method in combination with water circulation

The invention discloses a mudflat desalination method in combination with water circulation. The method comprises the steps of 1, arrangement of desalination units; 2, drilling of an in-situ water pumping well; 3, arrangement of a fixed water head well; 4, arrangement of salt-discharging underground pipes; 5, flatting of field plots; 6, salt leaching with brackish water; 7, salt leaching with brackish water and drainage; 8, rainwater collection; 9, salt leaching with fresh water; 10, salt leaching with fresh water and drainage; 11, circulation of salt leaching water. By means of the method, onone hand, underground water of saline-alkali land is changed and gradually desalinated through multiple times of circulation; on the other hand, by adopting a brackish water and rainwater rotation irrigation mode, the precious fresh water resources in a coastal area are saved, the collected rainwater is also fully added into the circulation of an underground phreatic layer, and therefore the purpose of the desalination of the coastal saline-alkali land is fundamentally achieved.
Owner:HOHAI UNIV

Pseudomonas stutzeri and application thereof

The invention discloses pseudomonas stutzeri and application thereof. The pseudomonas stutzeri disclosed by the invention is (Pseudomonas stutzeri) NRCB010, and the preservation number of the bacterium in the China General Microbiological Culture Collection Center is CGMCC NO.19067. Microverse experiments, greenhouse pot culture and field plot experiments show that the (Pseudomonas stutzeri) NRCB010 disclosed by the invention is capable of promoting crop growth and reducing emission of a soil greenhouse gas nitrous oxide.
Owner:NANJING UNIV OF TECH +1

Field screening method for density-tolerant high-yield maize strain suitable for mechanical kernel reaping

ActiveCN108575736AReduce experimental errorThe test data results are scientific and accurateSuperphosphatesFertilising methodsHarvest timeHigh density
The present invention discloses a field screening method for a density-tolerant high-yield maize strain suitable for mechanical kernel reaping. The field screening method comprises the following steps: (1) preliminary selection of a maize strain with high seed vigor and high seedling drought resistance, i.e., selecting proper land plots for field plot trials, and screening out the maize strain with high seed vigor and good seedling drought resistance by calculating field seedling emergence and variation coefficients; (2) re-selection of a dense planting-tolerant high-yield maize strain, i.e., carrying out high-density planting management to the maize strain screened out in the step (1), and screening out a dense planting-tolerant maize strain with stable high yield according to disease resistances in combination with yield levels; and (3) final selection of a maize strain suitable for mechanical kernel reaping, i.e., carrying out wide field dense planting and management to the maizestrain screened out in the step (2), and screening out the maize strain suitable for mechanical kernel reaping according to a kernel water content at harvest time and mechanical reaping weight indices. The field screening method to which the present invention relates is capable of screening out a density-tolerant high-yield maize strain suitable for mechanical kernel reaping that fits the gentle-slope mountainous environment of Yunnan.
Owner:HONGHE COLLEGE

Rice transplanter and continuous rice transplanting method thereof

The invention discloses a rice transplanter and a continuous rice transplanting method thereof. The continuous rice transplanting method includes steps: determining a rice transplanting interruption position of the rice transplanter in a field plot ready for rice transplanting; acquiring the orientation of the rice transplanter in rice transplanting interruption at the rice transplanting interruption position; controlling the rice transplanter loaded with seedling trays to continue rice transplanting at the rice transplanting interruption position in the field plot ready for rice transplantingby an orientation identical to that of the rice transplanter in rice transplanting interruption at the rice transplanting interruption position. Therefore, rows of seedlings transplanted before ricetransplanting interruption can be highly aligned to those of seedlings transplanted after continuing of rice transplanting.
Owner:FJ DYNAMICS TECH CO LTD

Adjustable field plotting device for real estate plotting

InactiveCN111207283AAvoid the problem of needing to stow away to movePlay a protective functionSurveying instrumentsFurniture partsStructural engineeringField plot
The invention provides an adjustable field plotting device for real estate plotting. A work platform, a supporting plate, rotation plates, a plotting instrument, grooves, telescopic rods, cup-joint pipes, adjusting bolts, a positioning assembly, an overturning moving fixing base structure, a moving handle, an adjustable shielding frame structure, a folding drawing board frame structure and a removable fixing box belt structure are included, and the supporting plate is integrally arranged at the lower end of the work platform. The rotation plates are arranged at the upper end of the work platform and the lower portion of the plotting instrument through bolts correspondingly. The grooves are formed in the front side, the left side and the right side in the supporting plate correspondingly. The adjustable field plotting device has the beneficial effects that through the arrangement of the overturning moving fixing base structure, during usage, the adjustable field plotting device can moveon the flat ground through moving wheels so that the problem that moving can be achieved only through collecting can be solved, and meanwhile, usage can be achieved by tightly fixing strengthening heads into soil.
Owner:SHANDONG INST OF GEOPHYSICAL & GEOCHEM EXPLORATION

Field plot and method applicable to mechanized sowing and transplantation of paddy rice

InactiveCN104642027AImprove mechanized planting technologyFacilitate large-area applicationsRice cultivationField plotComputer science
The invention discloses a field plot and a method applicable to mechanized sowing and transplantation of paddy rice. The field plot comprises a guard row, inter-plot-group walkways and inter-plot walkways, wherein the field plot is divided into a plurality of columns, each column comprises a plurality of rows, each inter-plot-group walkway is arranged between every two neighboring columns, each inter-plot walkway is arranged between every two neighboring rows, the guard row is prearranged around the field plot, the width of the guard row is equal to the width of the inter-plot-group walkway, and the width of each row in the field plot is integral multiples of the width of machine sowing width or transplanting width. The invention strictly designs and plans the length, width, walkways and guard row of the experimental plot according to machine body width and machine turning radius, so that a machine can smoothly enter the plot to perform operation at any time without affecting other plots. The progress of a mechanized sowing and transplantation experiment is promoted, the accuracy and feasibility of the experiment are increased, the mechanized paddy rice sowing and transplantation technology is perfected, the large-scale application of paddy rice mechanization is promoted, and the high yield and high efficiency of the paddy rice are increased.
Owner:SICHUAN AGRI UNIV

Phytoremediation method for heavy metal Cd contaminated soil

The invention discloses a phytoremediation method for heavy metal Cd contaminated soil. According to the technical scheme, the method comprises the following steps: (1) readjustment of field plots andpartitioning: after tilling the land, removing straws and weeds, watering and leveling; (2) planting: transplanting economic plants capable of absorbing heavy metals into the readjusted plots; (3) adding repair materials: to kill soil bacteria, promote plant rooting and germination, and enhance the efficiency of absorbing Cd in soil by plants; (4) plant sample collection and analysis test: samplecollection and data analysis test on plants after one year of growth; (5) calculating enrichment coefficients of heavy metal Cd enriched by different treatment plants, yield (dry weight) of differenttreatment plants and total amount of Cd adsorbed by one hectare of plants, and investigating the purchase price per acre of plants to calculate the output value per acre. The phytoremediation methodintroduces the concept of circular economy while focusing on the test of the repair technology, thereby improving the repair efficiency and creating economic and social values.
Owner:卢新哲

Planting method of lilium brownii var.viridulum

The invention discloses a planting method of lilium brownii var.viridulum, comprising the following steps: (1) soil preparation; (2) seedball preparation; (3) sowing and seedling raising; (4) field management; (5) disease and pest control; and (6) timely harvesting. According to the planting method of lilium brownii var.viridulum, provided by the invention, a sowing substrate is paved on the surface layer of a trimmed seedbed, so that the germination rate of seeds is high; germinated seedlings are high in growth speed, seedlings are robust, and the transplanting survival rate is high; in a selected large field plot, when conventional base fertilizer is applied, application of a slow release fertilizer and a soil conditioner is added, and then deep tilling and bedding are performed, so as to ensure that the seedlings are transplanted in proper time, the seedling delaying period is short, and the survival rate is high; in the whole growth period, disease and insect pest occurrence rate is low, and yield and quality are increased; the land utilization rate is increased, pollution and damage to soil are reduced, and the surrounding environment of the lily planting land is effectively improved.
Owner:彭永财

Seedling-period concentrated biogas slurry leaf fertilizer applicable to cotton transplanting and application thereof

The invention discloses a seedling-period concentrated biogas slurry leaf fertilizer applicable to cotton transplanting and application thereof. The seedling-period concentrated biogas slurryleaf fertilizer is prepared from urea, ammonium nitrate, potassium nitrate, potassium acetate, dipotassium phosphate, ammonium sulfate, magnesium sulfate and glycerinum in a certain ratio. A preparation method comprises the following steps: A, heating concentrated biogas slurry; B, sequentially adding urea, glycerinum, ammonium nitrate, potassium nitrate, potassium acetate, dipotassium phosphate, ammonium sulfate and magnesium sulfate into 700mL of the concentrated biogas slurry, uniformly stirring, and cooling; and C, fixing the volume by using normal-temperature concentrated biogas slurry, thus obtaining the seedling-period concentrated biogas slurry leaf fertilizer. The seedling-period concentrated biogas slurry leaf fertilizer is safe in quality, can be biologically decomposed and utilized, is environmental-friendly, is simple and convenient to operate and reasonable in nutrition formula; pot experiments and field plot experiments show that the problems that the yield and the quality are affected as slow seedling reviving in a seedling period, late development and late maturing are caused by nutrient absorption deficiency due to root system damage and activity reduction are solved, and the fertilizer is easy to popularize and use.
Owner:INST OF COTTON RES CHINESE ACAD OF AGRI SCI +1

Organic planting method for flue-cured tobacco obtained after soil improvement

The invention discloses an organic planting method for flue-cured tobacco obtained after soil improvement. The planting method comprises the steps of 1 field plot selection, 2 flue-cured tobacco variety selection, 3 soil improvement and 4 flue-cured tobacco planting. Due to the comprehensive soil improvement mode of fallowing, shallow ploughing and deep ploughing, the purpose of effectively improving the deteriorated soil is achieved, the land soil structure, beneficial microbial communities and nutrient balance are better improved, the problems of original growth imbalance, nutrient imbalance, tobacco leaf quality decrease and the like are solved due to the planted flue-cured tobacco, tobacco plants grow well, and the tobacco leaf yield and quality are obviously improved. No chemical fertilizer or chemical pesticide is needed in the whole process, the field production and management mode is adopted, the produced flue-cured tobacco is good in growth and development in the whole growing period, and tobacco leaves are delicate and pretty and have little diseases.
Owner:YUNNAN TOBACCO CO LTD KUNMING BRANCH

Compound herbicide

The invention discloses a composite herbicide formulated by 0.5-1.5 portion of pyrazosulfuron-ethyl, an active component, and 7.5-8.5 portion of prometryne according to weight account, which can effectively control weed such as Chinese water chestnut and pondweed, with a herbicidal rate of above 80 per cent. Through measurement of indoor biology, co-toxicity coefficient of the herbicide of the invention is bigger than 100; two single-doses has synergistic interaction effect; dosage for single using the pyrazosulfuron-ethyl is decreased and drug cost is reduce. By field plot experiment, the herbicide of the invention has a stable weeding effect and is safe for growth of rice.
Owner:贵州省植物保护研究所

Enzyme-controlled active liquid compound fertilizer and preparation method

The invention discloses an enzyme-controlled active liquid compound fertilizer and a preparation method. The enzyme-controlled active liquid compound fertilizer comprises 5-10% of biological organic matters, 20-30% of urea, 12-18% of calcium hydrophosphate, 10-15% of potassium chloride, 5-10% of liquid humic acid, 2-4% of calcium, magnesium and sulphur, respectively, 0.5-1% of ferrum, zinc, molybdenum, chlorine, boron and copper, respectively, 5-10% of a suspended dispersant, 5-10% of an assistant and biological bacteria. The field plot experiment verifies that the enzyme-controlled fertilizer has remarkable yield-increasing effect on wheat, corn and rice paddy with the rate of growth respectively reaching 16.6%, 15.3% and 10.5% which is remarkably higher than that of common fertilizer group. The fertilizer disclosed by the invention is simple in preparation process, and can be prepared to suit nutritional components and concentrations of plants to meet a certain growth demand of plants, and further can be mixed in use with other fertilizers.
Owner:SINO AGRI SHUNTIAN ECOLOGICAL FERTILIZER CO LTD

Soil improvement method

InactiveCN107820762ASalinization ImprovementNo pollutionSoil-working methodsNatural ventilationPlastic mulch
The invention specifically relates to a soil improvement method, comprising the following steps: plowing the soil once, plowing the soil, and ventilating the soil naturally for 4 to 7 days; applying animal manure, spreading the animal manure evenly on the plowed soil, and exposing the soil to sunlight. Irradiate for 2 to 3 days; plow the soil for the second time, plow the soil again, and water after plowing; add plant straw, break the length of the plant straw to less than 1cm, spread it evenly on the soil surface, and water to make the plant The straw is soaked, and then covered with plastic film for 30 to 40 days; the soil is plowed three times, the plastic film is removed, the soil is plowed, and after the soil is leveled, field furrows are built and drainage ditches are excavated. The method can improve the salinization of the soil without polluting the land, has convenient operation and low cost, and has good popularization effect.
Owner:伍建军

High-yield cultivation method of corn-sweet potato interplanting

The invention provides a high-yield cultivation method of corn-sweet potato interplanting. The high-yield cultivation method comprises the following steps: (1) readjustment of a field plot: selecting land with good soil conditions, loose soil, convenient irrigation and drainage and better air permeability as an interplanting plot, (2) seed selection and planting: selecting a corn variety with an early or immediate early mature period and selecting yellow pulp sweet potatoes for seedling raising, (3) field management, (4) insect and disease prevention, and (5) timely harvesting: harvesting the corn when more than 80% of subtending leaves are withered, cutting off straws to carry away unifiedly, and harvesting the sweet potatoes when the average daily temperature drops to 15 DEG C. The interplanting method is a scientific and reasonable cultivation method from the field plot readjustment, the seed selection and growing, the field management, and the insect and disease prevention to the timely harvesting; the corn has strong wind resistance and good quality; several tests demonstrate that the yield of the corn is increased by 70% under the condition that the yield of the sweet potatoes is not changed; the economic benefits are effectively improved; the interplanting cultivation method is simple, easy to operate and popularize.
Owner:浦北县科学技术开发中心

Ectoine-containing special foliar fertilizer for saline-alkali soil as well as preparation method and application thereof

The invention discloses a ectoine-containing special foliar fertilizer for saline-alkali soil as well as a preparation method and application of the foliar fertilizer. The foliar fertilizer is prepared by taking ectoine as a main effective component, taking ectoine and gamma-aminobutyric acid as stress resistance factors and mannitol and monopotassium phosphate as fertilizer synergists, is used for foliar spraying in a seedling stage and a mature stage of saline-alkali soil crops, and is verified by indoor pot culture experiments and field plot experiments. The problems that crops are not easyto survive and grow slowly in saline-alkali soil are solved, the content of free proline in the crops and the expression of an antioxidant enzyme system can be remarkably improved, and the yield increase of the crops and the improvement of the quality of the crops are promoted.
Owner:SHANDONG FREDA BIOTECH

Machine learning multispectral remote sensing image crop straw out-of-field extraction method and system

PendingCN114359746ASolve the errorSupervise the progress of leaving the fieldScene recognitionSoil scienceMultispectral image
The invention discloses a multispectral remote sensing image crop straw off-field extraction method and system based on machine learning, and solves the problems that personal errors and measurement errors exist in the off-field area and progress of an existing straw off-field supervision mode, and accurate management and control cannot be realized on non-off-field area positioning. Comprising the following steps: S1, acquiring multispectral image data of a crop growth period, sketching and establishing a polygon sample set according to crop spectral information, establishing a crop classification model, and predicting the established crop classification model to obtain a crop distribution result; s2, acquiring multispectral image data after a crop harvest period, sketching polygonal samples of corresponding categories, and performing sampling treatment to obtain a polygonal sample set of an out-of-field plot; and S3, dividing the polygonal sample set of the out-of-field plot by utilizing five-fold division, training the obtained five groups of training sets-verification sets to obtain five base models, predicting the image data by using the base models, and determining the out-of-field plot through probability mean value fusion of prediction results.
Owner:CHANGGUANG SATELLITE TECH CO LTD
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