30results about How to "Increase commodity fruit rate" patented technology

The invention relates to a disease-resisting and freshness-retaining treatment method for storage of picked mangoes at normal temperature, and belongs to the field of the fruit freshness keeping technology. The disease-resisting and freshness-retaining treatment method comprises the following steps: carrying out precooling on picked 70-80% matured mangoes, carrying out sterilization, blowing-drying or airing, soaking in hot water at 55 DEG C, fishing out, airing, uniformly spraying a mixed disease-resisting and freshness-retaining agent on the surface of the mangoes, airing, packaging and storing at normal temperature. According to the disease-resistant and freshness-retaining treatment method, diseases of the mangoes during storage at the normal temperature can be reduced effectively, the disease index and the diseased fruit rate of the mango are reduced remarkably, the commercial fruit rate of the mangoes is improved, the shelf life of the mangoes at the normal temperature is prolonged, the method can be operated conveniently and rapidly, the used disease-resisting and freshness-retaining agent is non-toxic and harmless, and the method can be promoted and applied easily.

The invention discloses a fresh-keeping method of mangoes, and relates to the technical field of fresh keeping. The fresh-keeping method of mangoes comprises the following steps: (1) harvesting mangoes when the mangoes are 70-80% mature, selecting fruits which are uniform in size and free from diseases, pests and mechanical damage, and transporting the fruits to a storage warehouse for later use;(2) soaking the mangoed by using a disinfectant for 4-6 minutes for sterilization treatment, and then airing the disinfected mangoes; and (3) soaking the disinfected and aired mangoes in a preservative for 8-12 minutes, then fishing out and airing the mangoes, and performing packaging and storage at room temperature. The fresh-keeping method of mangoes of the invention is green, safe and environmentally friendly, and can effectively prolong the post-harvest life of mangoes under room-temperature storage and transportation condition.

The invention discloses a V-type pruning method for pepper cultivation and belongs to the field of vegetable crop cultivation. The proper operations such as trunk selection and remaining, lateral branch pinching and removal are carried out on peppers in different growth periods of the peppers, plants keep vigorous at the early growth stage of the peppers, the fruit setting rate is increased, and the yield of the early stage is improved. The light transmission capacity of the middle and later stage of the peppers is improved, photosynthesis is enhanced, commodity is improved, and the good quality and high yield are ensured in the whole growth cycle of the peppers.

The invention discloses a water soluble package fertilizer for alleviating pelletization of juice cells of honey pomelo and an application method thereof. The fertilizer is prepared from a tip strongpromoting flower fertilizer, a fruitlet fertilizer, a fruit strengthening fertilizer and a fruit collecting and preserving fertilizer. The mass ratio of nitrogen to phosphorus to potassium in the tipstrong promoting flower fertilizer is (7.5-9.5):(4*-4.5):(4-4.5). The mass ratio of nitrogen to phosphorus to potassium in the fruitlet fertilizer is (4.5-5.5):(2-3):(3.5-4). The mass ratio of nitrogen to phosphorus to potassium in the fruit strengthening fertilizer is (5.5-7):(5.5-7):(7.5-9.5). The mass ratio of nitrogen to phosphorus to potassium in the fruit collecting and preserving fertilizeis (13.5-16.5):(8-10):(13.5-16.5). The package fertilizer can meet the growth demand of honey pomelo to promote alleviation of pelletization of juice cells of honey pomelo, the pelletization index ofhoney pomelo is 0.192, and meanwhile, high yield and high earnings are achieved.

The invention discloses a foliage fertilizer for juicy peaches and a preparation method thereof. The foliage fertilizer for juicy peaches is prepared from the following components in parts by weight: 20-40 parts of urine, 8-12 parts of calcium superphosphate, 10-14 parts of monopotassium phosphate, 3-5 parts of borax, 3-5 parts of manganese ethylene diamine tetraacetic acid (EDTA-Mn), 8-10 parts of zinc chloride, 4-6 parts of magnesium chloride, 1-3 parts of copper ethylene diamine tetraacetic acid (EDTA-Cu) and 1-3 parts of gibberellin. The foliage fertilizer disclosed by the invention is mainly applied in early flowering phase, fruiting phase, early swelling phase, post swelling phase and maturation phase; the fruit, applied with the fertilizer, is rapid in weight gain, good in color, consistent in grade of maturity and high in commercial fruit rate; the fertilizing method disclosed by the invention can be used for not only maintaining normal production of peach trees, but also inhibiting hyper-nutrition growth and reducing the soil pollution risk; and moreover, the fertilizing cost is low and economical benefits are remarkable.

The invention discloses a shaping and trimming method of facility jujube trees. The method includes following steps: 1), determining trunks after planting; 2), shaping and trimming in the year of planting; 3), shaping and trimming in the second year of planting; 4), shaping and trimming jujube trees in the third year of planting and in a fruiting period. By applying the novel shaping and trimmingmethod of the facility jujube trees, a first main branch jujube head is reserved at the top of each jujube tree in the fruiting period to horizontally extend and grow along a direction perpendicular to jujube tree planting lines, top end advantages of the first main branch jujube heads are utilized, germination and growth of other jujube heads are controlled, and double effect of jujube head growing and fruiting can be realized, so that workload of pinching and bud picking of the jujube trees in the growing period can be reduced greatly, labor intensity and labor cost are reduced, growth of branches and leaves of the jujube trees can be improved, light utilization rate is increased, consecutive-year high yield of the jujube trees is ensured, commodity fruit rate is increased, and development of facility jujube tree industry is promoted.

The invention provides a method for supplementing zinc fertilizer to fruit trees and controlling the little leaf disease. The method comprises the following steps: high-concentration foliar fertilizer is sprayed in late spring dormancy, sprayed in a leaf mature period for the first time and sprayed in the leaf mature period for the second time. The high-concentration foliar fertilizer with different formulae is sprayed in fruit tree leaf slow growth or dormancy stages such as the late spring dormancy, the leaf mature period and senescence period and the like of the fruit trees, and the little leaf disease of the fruit trees is controlled. With adoption of the method, the little leaf disease control effect is obvious, the little leaf disease incidence rate after spraying in an orchard is smaller than 1%, and the method has especially obvious effect on control of the little leaf disease of the fruit trees in saline-alkali soil.

Belonging to the technical field of pest control, the invention particularly relates to a comprehensive control method for aphids in a pitaya orchard. The method comprises physical control, natural enemy control and biological control. The physical control includes: suspending a yellow sticky trap in an orchard during March to April to trap and kill adult aphids; wherein the yellow sticky trap isprepared by daubing an insect sticking composite material prepared by mixing of an insect sticking glue base material and an insect attractant on two sides of a yellow base plate; and the insect attractant is prepared from the following raw materials: pitaya flowers, pitaya juice, willow leaves, neptalactone, citronella oil, limonene, carboxymethyl cellulose and epoxidized soybean oil. The methodadopts a comprehensive means combining physical control, natural enemy control and biological control to control aphids, overcomes the defects of single use of certain control method in the prior art,realizes a continuous and efficient control effect on pitaya orchard aphid pests, and can reduce the hazard rate of aphid pests in the pitaya orchard by 30%, enhance the commodity fruit rate to 85% or above, and increase the annual income per mu by 400 yuan per year or above.

The invention discloses a solid fertilizer for preventing aging and foot rot of pear root systems and a preparation method thereof. The fertilizer is prepared from water-absorbent resin, hydroxy propyl distarch phosphate, cellulose, cross-linking agent, bentonite, urea, ammonium dihydrogen phosphate, ammonium bicarbonate, potassium chloride, humic acid, amino acid chelated copper, oligosaccharinsand Tween-20. The solid fertilizer is adopted to treat a sand pear plantation, the effect of overcoming high temperature and rainy barriers is achieved, soluble solid content of obtained fruit is improved by 10%, and the commodity fruit rate is improved by 30%.

The invention discloses a method for cultivating kiwi fruits by utilizing a photovoltaic power plant, and relates to an agricultural planting technology. The method comprises the following steps: a horizontal shed frame is erected at a position 1.8 m away from the ground surface, and east-west supporting rods are arranged at a position 1.45 m away from the ground surface on each row of stand columns; the row spacing of the stand columns is not smaller than 6 m, a row of kiwi fruit plants are planted at the position with distance of 30 cm on the north side of each row of stand columns, and the plant spacing between the kiwi fruit plants in the same row is not smaller than 2 m; each plant is shaped into a tree shape with a trunk, a lateral tendrilled vine in the east direction, a lateral tendrilled vine in the west direction, eight branch tendrilled vines in the south direction and eight branch tendrilled vines in the north direction, the two lateral tendrilled vines are located in the east and west directions respectively, main body parts of the two lateral tendrilled vines are bound to the corresponding supporting rods in the east-west direction, and the eight branch tendrilled vines in the south direction and the eight branch tendrilled vines in the north direction are distributed on the two lateral tendrilled vines in a south-north spaced mode and bound to the horizontal shed frame in the south-north direction; and during fertilization, the northern-side fertilization amount of the root system of the same plant is larger than that of the southern-side root system, and during pollination, the southern side of the plant is subjected to natural pollination and the northern side of the same plant is assisted with artificial pollination when being subjected to natural pollination. With adoption of the method, the quality of the kiwi fruits can be effectively guaranteed, and the yield of the kiwi fruits is increased.

The invention discloses a method for planting hylocereus undatus in a low-temperature environment, and specifically relates to the technical field of hylocereus undatus planting. The method specifically comprises the following operation steps: step 1, soil selection and modification; step 2, establishment of a greenhouse planting system; step 3, field planting; and step 4, daily planting management. The method for planting hylocereus undatus in a low-temperature environment determined by the invention can promote plant growth and metabolism, and has the advantages of promoting flower bud differentiation, suppressing certain diseases and insect pests, increasing yield, and improving a commercial fruit rate. At the same time, an organic liquid fertilizer is pre-buried in each planting area,and the fermentation of various saprophyte and microorganisms helps to keep the soil temperature warm, and helps to improve thermal insulation of plant plants. At the same time, the greenhouse planting system is established, so that heat preservation and cooling operations can be effectively carried out according to the internal environment of the greenhouse in time to ensure the growth and development of hylocereus undatus plants in the environment of 25-35 DEG C.

The invention discloses a special water-soluble set fertilizer for reducing pomelo juice cell granulation and its application method. The mass ratio of phosphorus and potassium is 7.5-9.5:4-4.5:4-4.5; in the young fruit fertilizer, the mass ratio of nitrogen, phosphorus, and potassium is 4.5-5.5:2-3:3.5-4; In fertilizer, the mass ratio of nitrogen, phosphorus and potassium is 5.5-7:5.5-7:7.5-9.5; in fruit picking and maintenance fertilizer, the mass ratio of nitrogen, phosphorus and potassium is 13.5-16.5:8-10:13.5- 16.5. The set fertilizer of the invention can meet the growth requirement of honey pomelo, promote it to alleviate the granulation phenomenon of juice cells, the honey pomelo granulation index is 0.192, and simultaneously achieve high yield and high profit.

The invention provides a method for supplementing zinc fertilizer to fruit trees and controlling the little leaf disease. The method comprises the following steps: high-concentration foliar fertilizer is sprayed in late spring dormancy, sprayed in a leaf mature period for the first time and sprayed in the leaf mature period for the second time. The high-concentration foliar fertilizer with different formulae is sprayed in fruit tree leaf slow growth or dormancy stages such as the late spring dormancy, the leaf mature period and senescence period and the like of the fruit trees, and the little leaf disease of the fruit trees is controlled. With adoption of the method, the little leaf disease control effect is obvious, the little leaf disease incidence rate after spraying in an orchard is smaller than 1%, and the method has especially obvious effect on control of the little leaf disease of the fruit trees in saline-alkali soil.

The invention discloses a medium for cucurbita pepo L cultivation in a solar greenhouse. The medium is obtained by compounding fermented waste mushroom medium materials, peat and perlite according tothe mass ratio of (5-10):7:(5-8), and a preparation method for the fermented waste mushroom medium materials comprises the steps that by weight, 0.5-2 parts of cow dung and 0.5-2 parts of urea are added into 100 parts of waste mushroom medium materials, water is added to control the humidity to be 60-70%, then zymophyte is added to build a heap, fermentation lasts for 30-40 d, and the heap is exposed to the blazing sun for 5 d; the invention discloses a method for cultivating the cucurbita pepo L in the solar greenhouse by adopting the medium. By adopting the medium, the transplanting survivalrate can be increased by 11.64%, the cost is reduced, cucurbita pepo L seedlings enter the seedling recovering period 3 days in advance, and growth and development of the cucurbita pepo L cultivatedby adopting the medium are significantly superior to those of cucurbita pepo L cultivated by adopting soil, the bad fruit rate of the cucurbita pepo L adopting medium cultivation is reduced by 4.69% compared with the bad fruit rate of the cucurbita pepo L adopting soil cultivation, the commercial fruit rate is effectively increased, the quality of the cucurbita pepo L is improved, and the yield ofthe cucurbita pepo L adopting medium cultivation is significantly higher than that of the cucurbita pepo L adopting soil cultivation.

The invention relates to the field of plant planting, and provides a method for reducing the malformation rate of citrus fruits. The method comprises the steps that the pH value soil is adjusted to range from 5.5 to 6.5, the boron content of the soil of trees is increased, the tree structure is transformed, flower thinning is carried out in the flower season, tree nutrition is supplemented, the flower bud quality is improved, and therefore misshapen fruitlets are reduced; flower thinning is carried out in the second physiological fruit drop period to reduce nutrient consumption, a fruit retention agent is sprayed to control physiological fruit drop, and the fruit upright degree is improved; overground part nutrition and accumulation of carbohydrate are increased, flower bud differentiationis promoted, and the fruit quality is improved. According to the method, the malformed fruit occurrence rate can be reduced to be below 10%, the commodity fruit rate (85% or above) is remarkably increased, the yield of the citrus fruits can be increased by one time or above, and the fruit quality is obviously improved.

The invention belongs to the technical field of pomegranate planting management, and particularly relates to a pomegranate tree spring twig management method. The pomegranate tree spring twig management method is provided aiming at the problems that the erasing cost of pomegranate tree spring twigs is high, and pomegranate trees grow badly after the spring twigs are erased. The method includes thefollowing steps that a, when the lengths of 30-40% of pomegranate tree spring twigs reach 40 cm, the spring twigs with the lengths smaller than 40 cm are erased, aiming at the spring twigs with the lengths larger than or equal to 40 cm, branches are clockwise rotated and twisted at first growing thorn positions till a rattle is heard; b, after pomegranate tree fruits are borne stably, and pomegranate branches are trimmed; the spring twigs on trunks are trimmed to the lengths of 25-40 cm, branches on the upper portions of pomegranate trees are trimmed to the lengths of 20-30 cm, branches in the middles of the pomegranate trees are trimmed to the lengths of 20-30 cm, and branches on the lower portions of the pomegranate trees are trimmed to the lengths of 30-40 cm. The firing fruit rate canbe reduced, the commercial fruit rate is increased by 30% or above, and the novel method is provided for improving the quality of pomegranates.

The invention discloses a planting method capable of increasing yellow peach commercial fruit rate. The planting method includes following steps: (1), thinning fruits of yellow peach trees at a full bearing age, wherein number of left fruits does not exceed 450; (2), after fruit thinning, spraying mixed pesticide to whole trees; (3), after the pesticide is dried, uniformly coating the surface of each fruit with an insect-resistant cream. The planting method is simple to operate, the yellow peach commercial fruit rate can be increased effectively, number of diseased peaches and peaches with spots on the surfaces is reduced, and quality of the yellow peaches is improved greatly.

The invention discloses a surface covering film used for southern Chinese-pear tree planting and a preparation method thereof. The surface covering film is prepared from PBAT, polylactic acid, ethylene-vinyl acetate copolymer, cellulose, modified starch, calcium carbonate, nanometer titanium dioxide, polycarbonate, brassinolide, micro-powder silica gel and a plasticizer. The mulching film can be used in a Chinese-pear plantation and overcome the obstacles of high temperature and rainy weather, the content of soluble solids of obtained fruits is improved by 10%, and the commercial fruit rate can be increased by 30%. Moreover, the prepared covering film has good mechanical properties, high heat preservation and moisture retention properties, good light transmittance, relatively low price andother properties, the film can be buried underground and completely degraded into water and carbon dioxide after use, and the requirements of environmental protection are met.

The invention provides a production method of a selenium-rich SOD (superoxide dismutase) cherry. The production method comprises the steps that selenium fertilizer is applied for four times in the cherry production process, and the total dosage is about 40 jin per mu; SOD enzymic preparations are applied for three times, and the total dosage is about 300 grams; the selenium fertilizer is mixed with the SOD enzymic preparations for use in the last three spraying times; solution water is warm water, and the spraying time is before 11 o'clock in the morning and after 15 o'clock in the evening to avoid the high temperature time bucket in the noon every time; the spraying is careful and uniform; spraying must be carried out again if rain falls in six hours after spraying.

The invention discloses a fresh-keeping method for long-term storage of pears without browning, which comprises the following steps: harvesting, pre-cooling, storage, and storage period management. The present invention is a method that can not only maintain a stable low temperature, utilize a constant fruit temperature, control the respiration intensity of the fruit, but also avoid the browning of the fruit core and pulp, delay the aging process of the fruit, and prolong the storage and preservation period. It is a technology suitable for popularization and application by fruit farmers, business owners or processing enterprises.

The invention discloses a ground covering material for planting of Chinese pears and a preparation method of the ground covering material. The covering material comprises water-absorbing resin, a decomposed organic material, stalk particles, charcoal particles, a filler and weatherable masterbatches. The preparation method of the ground covering material comprises the step of mixing and then extruding the water-absorbing resin, the decomposed organic material, the stalk particles, charcoal particles, a filler and weatherable masterbatches to obtain the ground covering material. A Chinese pearplanting garden is treated by the covering material, an effect of overcoming high temperature and rainy obstacles can be achieved, the soluble solid content of obtained fruits can be increased by 10%,and the commodity rate of fruits is increased by 30%.

The invention discloses a method for shaping and pruning jujube trees in facilities, which comprises the following steps: 1) fixed stem after planting; 2) shaping and pruning in the year of planting; 3) shaping and pruning in the second year of planting; 4) in the third year of planting And the plastic pruning of jujube tree in the fruiting period; the present invention selects and stays the first main branch jujube head at the top of the jujube tree in the fruiting period by applying the novel plastic pruning method of the jujube tree in the facility, so that it is perpendicular to the row of jujube tree planting in one direction Extend the growth horizontally, take advantage of its top advantage, control the sprouting and growth of the remaining jujube heads, and take into account the dual effects of jujube tree growth and fruiting, which can greatly reduce the workload of jujube tree topping and bud wiping during the growth period, and reduce labor intensity and labor At the same time, it can increase the growth of jujube branches and leaves, improve the utilization rate of light energy, ensure the high yield of jujube year after year, increase the commercial fruit rate, and promote the development of jujube industry in facilities.

The application relates to the field of watermelon planting, in particular to a method for fertilizing, disease preventing and cultivating watermelon in a greenhouse. This cultivation method includes the use of scientific fertilization methods for fertilization and scientific disease prevention methods for disease prevention in various stages of greenhouse watermelon cultivation, thereby improving the problems of excessive growth of melon vines, deformed melons, many cracked melons, and low commercial fruit rate. , and reduce the use of chemical pesticides and reduce pesticide residues. This method, combined with the characteristics of nutrient element demand of greenhouse watermelons in different periods, strictly controls nitrogen by adding microbial fertilizers and selecting controlled-release fertilizers, scientifically supplements medium and trace elements such as potassium, calcium, magnesium, boron, and zinc, and small molecular organic matter, reducing chemical compound fertilizers. The dosage is 30%, which prevents the melon vines from growing too long, crooked melons and cracked melons under the conventional planting mode. The commercial fruit rate increases by more than 15%, and the center sugar content increases by more than 1 degree on average.

The invention relates to a disease-resisting and freshness-retaining treatment method for storage of picked mangoes at normal temperature, and belongs to the field of the fruit freshness keeping technology. The disease-resisting and freshness-retaining treatment method comprises the following steps: carrying out precooling on picked 70-80% matured mangoes, carrying out sterilization, blowing-drying or airing, soaking in hot water at 55 DEG C, fishing out, airing, uniformly spraying a mixed disease-resisting and freshness-retaining agent on the surface of the mangoes, airing, packaging and storing at normal temperature. According to the disease-resistant and freshness-retaining treatment method, diseases of the mangoes during storage at the normal temperature can be reduced effectively, the disease index and the diseased fruit rate of the mango are reduced remarkably, the commercial fruit rate of the mangoes is improved, the shelf life of the mangoes at the normal temperature is prolonged, the method can be operated conveniently and rapidly, the used disease-resisting and freshness-retaining agent is non-toxic and harmless, and the method can be promoted and applied easily.

The invention relates to a drip fertilization method for pineapples and belongs to the technical field of agricultural production. The amount of fertilizer applied to each hectare of land is shown as follows: 375-562.5 kg of base fertilizer is applied in the field planting period; 205.5-235.5 kg of the base fertilizer is subjected to drip fertilization for the first time 20-30 d after the field planting; 303.75-367.5 kg of the base fertilizer is subjected to drip fertilization for the second time 90-120 d after the field planting; 600-667.5 kg of the base fertilizer is subjected to drip fertilization for the third time 150-165 d after the field planting; 637.5-735 kg of the base fertilizer is subjected to drip fertilization for the fourth time 180-195 d after the field planting; 562.5-622.5 kg of the base fertilizer is subjected to drip fertilization for the fifth time 210-225 d after the field planting; 750-847.5 kg of the base fertilizer is subjected to drip fertilization for the sixth time 240-255 d after the field planting; 330-375 kg of the base fertilizer is subjected to drip fertilization for the seventh time 15-30 d before flower forcing; 307.5-375 kg of the base fertilizer is subjected to drip fertilization for the eighth time after flowers of pineapple fade; the baser fertilizer is applied in a furrow application mode; through eight times of drip fertilization, the fertilizer is dissolved in irrigation water until the fertilizer is completely dissolved, a drip irrigation pipe is used for application, and land is irrigated with clear water for 15 min firstly during drip fertilization each time and then irrigated with clear water for another 15 min after water and the fertilizer are applied. By means of the fertilization method, demands of the pineapple for nutrients in different growth periods can be met, the pineapple yield and the commodity fruit yield are increased, and the economic benefits are increased.

The invention discloses a surface covering film used for southern Chinese-pear tree planting and a preparation method thereof. The surface covering film is prepared from PBAT, polylactic acid, ethylene-vinyl acetate copolymer, cellulose, modified starch, calcium carbonate, nanometer titanium dioxide, polycarbonate, brassinolide, micro-powder silica gel and a plasticizer. The mulching film can be used in a Chinese-pear plantation and overcome the obstacles of high temperature and rainy weather, the content of soluble solids of obtained fruits is improved by 10%, and the commercial fruit rate can be increased by 30%. Moreover, the prepared covering film has good mechanical properties, high heat preservation and moisture retention properties, good light transmittance, relatively low price andother properties, the film can be buried underground and completely degraded into water and carbon dioxide after use, and the requirements of environmental protection are met.

The invention discloses an organic waste compound substrate suitable for facility cultivation of small watermelons. The organic waste composite matrix is ​​formed by mixing M1 components and M2 components; wherein, the M1 component is composed of coconut peat and vermicompost, and the M2 component is composed of decomposed cassava skin and bagasse fire charcoal ash. On the premise of ensuring good growth and increased yield of small watermelons, the present invention uses common and easily available agricultural and forestry wastes in South China as the main raw material compounding, has good physical and chemical properties, and is completely suitable for the water and nutrient requirements of small watermelon facility cultivation. It can promote the growth of plants and roots of small watermelons, increase the single fruit weight of small watermelons, increase the nutritional content of small watermelons, and obtain ideal yield and fruit quality; at the same time, it has a strong ability to hold water and fertilizer, which can effectively reduce substrate costs and save water and energy. Fertilizer, while realizing cost savings and efficiency increase, is also conducive to the recycling of waste resources, and has good promotion value.

The invention relates to the field of plant planting, and provides a method for reducing the malformation rate of citrus fruits. The method comprises the steps that the pH value soil is adjusted to range from 5.5 to 6.5, the boron content of the soil of trees is increased, the tree structure is transformed, flower thinning is carried out in the flower season, tree nutrition is supplemented, the flower bud quality is improved, and therefore misshapen fruitlets are reduced; flower thinning is carried out in the second physiological fruit drop period to reduce nutrient consumption, a fruit retention agent is sprayed to control physiological fruit drop, and the fruit upright degree is improved; overground part nutrition and accumulation of carbohydrate are increased, flower bud differentiationis promoted, and the fruit quality is improved. According to the method, the malformed fruit occurrence rate can be reduced to be below 10%, the commodity fruit rate (85% or above) is remarkably increased, the yield of the citrus fruits can be increased by one time or above, and the fruit quality is obviously improved.