257results about How to "Maintain fertility" patented technology

An organic activating fertilizer is prepared by performing activation fermentation on livestock manure and waste raw materials of industry and agriculture. The organic activating fertilizer comprises, in parts by weight, 30-50% of livestock manure, 30-50% of industrial and agriculture waste, 5-20% of humic acid, 3-20% of an activation powder, 1-5% of a biological soil insecticide, 5-20% of wood chips or waste bacteria packages and 5-15% of magnetized water. The organic activating fertilizer is prepared according to the following steps: mixing livestock manure, industrial and agriculture waste, wood chips or waste bacteria packages and humic acid according to a ratio, crushing to 20-80 mesh, adding the activation powder and the biological soil insecticide into the crushed raw materials, mixing, adding the high-energy magnetized water, stirring uniformly by employing a stirrer, performing physical fermentation on the uniformly-stirred fertilizer for 20-30 days, drying and granulating. The organic activating fertilizer is abundant in organic matters and nutrient substances essential for crop growth, is easily degradable, is capable of improving soil and keeping soil fertility, also is improved in fertilizer utilization rate, is capable of eliminating pathogenic bacteria and viruses in the raw materials and pollution of heavy metal residues to products and environment, and is capable of protecting ecological environment.

The invention provides an irrigation area field water-saving intelligent irrigation system, comprising: a server; a weather station connected to the server through a communication network and used to transmit irrigation area weather information to the server; irrigation data collection control terminals arranged in irrigation areas and communicated with the server through the communication network; a sprinkling irrigator; a water pump provided with a water pump electromagnetic valve arranged on the water pump to control start or stop of the water pump. The irrigation area field water-saving intelligent irrigation system can provide real-time automatic detection for the soil state of an irrigation area, proper irrigation is carried out according to the current soil state, automated intelligent irrigation is provided according to circumstances, and water is saved; labor is saved, irrigation quality is ensured, and the healthy growth of vegetation in the irrigation areas is ensured.

The invention relates to a soil improvement method, in particular to a soil improvement method for planting blueberries. The method mainly solves the technical problems that existing blueberry planting soil improvement measurements affect soil organism conditions, are high in cost and have toxic action on blueberry roots. The method includes the steps that firstly, fermented furfural residues are evenly applied to soil to be improved in summer, and turning plough is performed to make the fermented furfural residues and the soil fully mixed; secondly, after 1-1.5 months, peat, saw dust and organic fertilizer are applied to the soil, and turning plough is performed to make the peat, the saw dust and the organic fertilizer fully mixed with the soil; thirdly, manual weeding is performed; fourthly, soil plowing and ridging are performed in the spring of the next year, and the improvement to the soil for planting blueberries is completed. The pH value of the improved soil is 4.5-4.8, nutrient status of the soil is improved, and the survival rate of transplanted biennial blueberries and the survival rate of six-year-growing-period blueberries can reach 95-96% and 96-97% respectively. The method is used for blueberry cultivation.

The invention discloses a citrus planting method and belongs to the technical field of agricultural planting. The planting method comprises the processes of citrus nursery stock selection, land preparation, nursery stock planting, topdressing after planting, processing after citrus harvesting and the like, a home-made soil improvement agent is used in the process to improve soil, and a planting fertilizer is used as a citrus base fertilizer and a leaf fertilizer for topdressing in the citrus growing and fruit bearing process. The citrus planting method is scientific, reasonable, simple, easy to operate and convenient to manage, the fertilizers used in the planting process are rich in nutrition, do not contain any chemical additive, do not contaminate soil and citruses and are safe and reliable, the citrus planting method has remarkable social benefits, economic benefits and ecological benefits, and the citruses are high in survival rate and stable in fruit output and fruit yield in the planting process.

The invention relates to the technical field of agriculture ecology, in particular to an ecological comprehensive utilization system for livestock breeding feces. The system comprises a movable of detachable livestock breeding shed, a dry and wet separation device, an anaerobic fermentation device, a discharging and dewatering device, a biogas power generation device and a vegetable and fruit treeplanting area, the feces is separated into day feces and biogas slurry by the dry and wet separation device, the biogas slurry is used for anaerobic fermentation, the day feces is used for compost, and generated manure is transported to the vegetable and fruit tree planting area and utilized. The system is high in automation degree, operating investment and running cost are reduced, the resourceutilization efficiency of agricultural and pastoral waste is improved, a livestock breeding park with a closed energy structure can be built by the system, a circular agriculture industry chain is achieved, rural straw gasification clean energy is utilized, comprehensive utilization of village or enterprise livestock breeding waste is achieved, the system can be truly implemented and normally run,waste materials are truly changed into things of value, and due contribution is made to 'beautiful villages, wealthy framers and strong agriculture'.

The invention discloses a special compound fertilizer for rice. The special compound fertilizer is prepared from the following raw materials of 40-50 parts of an organic fertilizer,10-15 parts of straw, 20-30 parts of a nitrogenous-phosphorus-and potassium fertilizer, 3-5 parts of calcium superphosphate, 3-5 parts of ferrous sulfate, 3-5 parts of zinc sulfate, 3-5 parts of hydroxymethylcellulose, and 0.3-0.5 part of a microorganism microbial population. The invention further discloses a preparation method and applying method of the special compound fertilizer. Through a reasonable fertilizer formula, the simple and easy preparation method and the simple and easy applying method, the finally-obtained fertilizer is rich in various constants and micro nutrients, required by the rice. The fertilizer has remarkable effects in the respects of ecological microbial population adjustment, nutrient feeding, fertilizer utilization and the like of soil, so that the fertilizing amount is greatly reduced, and the cyclic utilization, the low carbon and the high efficiency of the straw are realized. Soil organic matters are markedly increased, the farmland fertility is persistently maintained, the agriculture point source pollution is reduced, the farmland biological diversity is effectively protected, the water resources and the ecological environment of local valleys are effectively protected, and the agricultural sustainable development is promoted.

The invention discloses an organic-inorganic compound fertilizer. The compound fertilizer mainly comprises an organic fertilizer generated by harmlessly treated organic matter in effective component, wherein the organic fertilizer generated by the harmlessly treated organic matter comprises the following components in weight ratio: 30-65 percent of high temperature compost, 5-30 percent of nitrogen fertilizer (by available nitrogen) and/or 1-20 percent of potassium fertilizer (by available potassium), and/or 5-30 percent of phosphorus fertilizer (by available phosphorus) and the balance allowable and acceptable other aids and stuffing. According to the organic-inorganic compound fertilizer disclosed by the invention, soil can be effectively loosened, and the foundation fertility of the soil can be kept, and moreover, the synthesis of the plant chlorophyll is obviously promoted, the photosynthesis is enhanced, carbohydrate is favorably synthetized, and the yield is increased. Compared with common chemical fertilizers, the yield can be increased by at least 166kg, the production value per mu is increased by at least 350yuan, and the economic benefit is considerable.

The invention provides a remediation method of alkaline soil, and relates to the technical field of soil improvement. The method comprises the steps of (1), soil preparation; (2), soil loosening agentapplication; (3), soil improving fertilizer application. According to the method, the alkaline soil is restored through the steps of soil preparation, soil loosening agent application, soil improvement fertilizer application and the like to reduce soil alkalinity, improve soil characteristics, loosen soil, increase soil fertility to gradually improve soil alkalinization, soil sterilization and fertilizer addition are conducted while the soil alkalinity is reduced, and the method is a remediation method which has the effects of alkaline soil conditioning agent and value improving and synergism.

The invention discloses a system and a method by utilizing a fuel cell to treat organic wastewater and synchronously repair heavy metal in soil. The system comprises a microbiological fuel cell, a data acquisition regulation and control device and a soil electrodynamic remediation device. One end of the data acquisition regulation and control device is connected with an anode unit and a cathode unit through lead wires correspondingly; the other end of the data acquisition regulation and control device is connected with a negative electron and a positive electrode through lead wires correspondingly; and the data acquisition regulation and control device is used for acquiring a voltage signal generated by the microbiological fuel cell and for regulating and controlling the magnitude of electric current received by the soil electrodynamic remediation device. By utilizing the microbiological fuel cell to treat organic wastewater, wastewater is treated, and electric energy is generated to remove the heavy metal in the soil; the system and the method do not damage a soil structure and the organic content in the soil is not affected; and at the same time, the data acquisition regulation and control device is adopted, so that the electric energy utilization efficiency of the microbiological fuel cell is improved effectively and the removal rate of the heavy metal in the soil is reduced.

The present invention belongs to the field of slow-release fertilizers, and specifically discloses a melon high-efficiency slow-release fertilizer with degerming insecticidal effects, the melon high-efficiency slow-release fertilizer with degerming insecticidal effects is characterized by comprising the following components in parts by weight: garlic polysaccharide sulfide derivative, attapulgite, polyvinyl alcohol, a crosslinking agent, polyglutamate hydrogel, mesoporous silica nanoparticles, salicylic acid, toosendanin, pyrethrum, tea polyphenols, composite microbial agents, sodium selenite, compound sodium nitrophenolate, viscous konjac flour, residue of furfural, brown sugar residue, and amino acids and the like. The garlic polysaccharide sulfide derivative and the attapulgite are used as basic coating materials, the micron size composite hydrogel prepared from the polyglutamate hydrogel and different sizes of mesoporous silica nanoparticle matters are added into the coating materials, the pore size of the coating materials are enriched, the dynamic slow-release performance and nutrient use efficiency of the fertilizer are improved, the fertilizer efficiency regulation property is ensured, the melon high-efficiency slow-release fertilizer promotes the melon to absorb and utilize different nutrients, and promotes the efficient cultivation.

The invention relates to a microbiological method for detecting heavy-metal cadmium, particularly a construction method of an Escherichia coli engineering strain for detecting cadmium and a method for detecting cadmium in water by using the Escherichia coli engineering strain. The construction method of the engineering strain comprises the following steps: knocking out Escherichia coli cadmium-resistant zntA and zntR genes by using a Red recombination system, and substituting a pmerR-MerR(M)-pmerR-gfpmut2 report gene to the zntR coding gene position by using a gene knock-in technique. The lowest detection range of the engineering strain for cadmium conforms to Sewage Comprehensive Discharge Standard-GB8978-1996. The engineering strain overcomes the defects of high fluorescent background level, poor detection signal and the like in the plasmid-vector-based engineering strain. The engineering strain provided by the invention can be complementary with AAS (atomic absorption spectroscopy) and other physicochemical analysis processes to analyze the biological availability and total amount of the cadmium, thereby providing references for objective evaluation on biological toxicity of the cadmium.

The invention provides a crop straw based culture medium and a making method thereof. The crop straw based culture medium comprises the following steps that 1, the crop straw moisture is adjusted, beneficial mixed bacteria are added to crop straws, and uniform stirring is performed; 2, material piling is performed, and the material is covered with a black plastic film after piling to perform anaerobic fermentation; 3, the plastic film is uncovered, compound bacteria are scattered, and pile turnover is performed to begin to perform aerobic fermentation; 4, during the aerobic fermentation, super absorbent resin and rare earth nitrate are added, and even stirring is performed to break the material, namely the crop straw based culture medium is obtained. The crop straw based culture medium contains the beneficial bacteria, can maintain soil fertility, effectively restrains root diseases, effectively promotes crop growth, contains the super absorbent resin, improves the water-retention rate and fertilizer-retention rate of soil and is added with the rare earth nitrate to promote crop growth, nitrogen, phosphorus, potassium, calcium, magnesium, organic matter and the like of the crop straws are utilized fully, waste is turned into wealth, and the cost of the medium is reduced.

The invention belongs to the technical field of plant biology, and particularly relates to a cherry orchard sod culture method. The cherry orchard sod culture method comprises the following steps of selecting seeds, removing weeds, seeding bahia grass, seeding, fertilizing and watering, cradling and regenerating and seeding astragalus sinicus. By the configuration of a first compound fertilizer and a second compound fertilizer which have functions of nutrition and fermentation, degradation and utilization of herbaceous plant metabolite are benefited, soil environment is further improved, soil fertility is greatly improved, and cherry growing environment is improved. The first compound fertilizer and the second compound fertilizer in which triacontanol is added are applied in the process of orchard sod culture, the bahia grass and the astragalus sinicus are cultured by stages, soil can be guaranteed to be in a sod culture stage all the year around, the capacity of preventing drought and waterlogging of a cherry orchard is improved, the soil fertility of the cherry orchard is not affected, the ecological environment of the cherry orchard is enriched, a large number of bacterial parasites are generated, the number of natural enemies of pests is increased, spreading of the pests is restrained, and a relatively lasting ecological system of the cherry orchard is formed.

The invention discloses a grass-growing cultivating mode of a macadamia integrifolia orchard. The grass-growing cultivating mode comprises the following steps of constructing an orchard and performingplanting; performing fertilizing management; performing water management; performing leader branch cutting and performing trimming; performing extermination of diseases and insect pests; and performing grass growing in the orchard. According to the grass-growing cultivating mode disclosed by the invention, in accordance with the characteristics that in China, macadamia integrifolia is mainly planted in mountainous regions and hilly regions, and the row spacing between plants is large, orchard grass growing management is performed on the orchards; and besides, cultivation management of soil, water and fertilizers and the like is optimized, a macadamia integrifolia cultivating mode which is high in per mu yield, and can effectively exterminate diseases and insect pests, and take account ofprevention of soil erosion is provided, and the cultivating mode has important significance on accelerating the development of the macadamia integrifolia, enlarging the planting area and improving incomes of peasants.

The invention relates to a pull-type fertilizer spreader. The pull-type fertilizer spreader comprises a rack, walking wheels arranged on the lower portion of the rack, a fertilizer box arranged on the upper portion of the rack and a fertilizer spreading device arranged on the rack, wherein the fertilizer spreading device comprises a fertilizer conveying mechanism arranged under the fertilizer box, a fertilizer outlet control mechanism arranged behind the fertilizer box and a fertilizer spreading mechanism arranged below the fertilizer outlet control mechanism, and the fertilizer conveying mechanism comprises a conveyor belt assembly which is arranged below the fertilizer box and directly makes contact with fertilizer in the fertilizer box. According to the pull-type fertilizer spreader, the fertilizer in the fertilizer box can be conveyed more precisely in the use process according to the walking speed of the fertilizer spreader, and conveying of the fertilizer in a large-capacity fertilizer box can be achieved. In addition, fertilizer conveying can be stopped when the fertilizer spreader stops moving forwards, and waste of the fertilizer is avoided.