14results about How to "Meet nutrient needs" patented technology

The invention discloses a liquid fertilizer application effect analysis method based on self-supervised learning. The method comprises the following steps: S1, generating initial feature data; s2, environment feature representation is generated based on a heterogeneous environment self-adaption module; s3, extracting short-term and long-term spatio-temporal characteristics of the liquid fertilizer application effect based on the dual spatio-temporal characteristic decoupling and dynamic fusion model, and generating comprehensive spatio-temporal characteristic representation; s4, generating fertilization characteristics in different situations by utilizing self-supervised learning, and eliminating environmental interference factors through a causal reasoning module; s5, generating a fertilization intention feature, and dynamically adjusting a fertilization strategy; s6, when the difference between the prediction result and the actual effect exceeds a threshold value, triggering a re-learning module to update model parameters; and S7, carrying out integrated optimization, realizing feature sharing and task coordination through multi-task collaborative learning, and carrying out automatic tuning by utilizing Bayesian optimization. The intelligent analysis of the liquid fertilizer application effect is realized through the self-supervised learning and multi-task collaborative optimization method.

The invention discloses a method for improving an acidic clayey soil plough layer, which comprises the following steps of: 1, after autumn rice is harvested, draining water in a rice field, and carrying out conventional tillage, soil turning and leveling on the rice field for later use; 2, green manure planting is conducted in the suitable green manure sowing period from October to November; 3, in the full-bloom stage, green manure is smashed, turned, pressed and returned to the field, lime and organic fertilizer are spread, the rice field is deeply ploughed at a time, and the green manure, the lime and the organic fertilizer are deeply buried in soil of the rice field; 4, the rice field is irrigated and soaked in water for a period of time, and then rice is planted. The method can inhibit and stabilize acid, improve the buffer performance of the soil, effectively expand a deep ploughing layer, improve the physical structure of the soil and improve the utilization rate of rainfall resources by the soil, so that the purposes of minimal ploughing, high yield and farmland protection are achieved.

The utility model relates to the technical field of fertilizing equipment, and discloses a high-efficiency fertilizing device for greenhouse vegetables, which comprises a plurality of n-shaped frames arranged in a greenhouse soil body, and further comprises a plurality of connecting members arranged on the n-shaped frames and capable of moving in the n-shaped frames, and a plurality of fertilizer application devices arranged on the n-shaped frames, the liquid fertilizer storage tank is arranged on the connecting component and suspended above the greenhouse vegetables through the connecting component, and the liquid fertilizer storage tank is further filled with a plurality of different types of liquid fertilizers; the covering shell is arranged on the surface of the liquid fertilizer storage box and located on the outer side of the greenhouse vegetables; the multi-dimensional fertilization component is arranged on the cage housing, is communicated with the liquid fertilizer storage tank, and is used for selectively extracting different types of liquid fertilizers and spraying the liquid fertilizers onto the vegetables in the cage housing. The efficient fertilizing device for the greenhouse vegetables aims at solving the problems that in the planting process of the greenhouse vegetables, a traditional fertilizing mode is low in efficiency, insufficient in precision and high in cost.

The invention provides a biological fermentation soybean milk powder organic fertilizer and a preparation process thereof, and belongs to the technical field of fertilizers. The preparation process comprises the following steps: preparing soybean milk powder; preparing a burdock root extract; preparing an echinacea purpurea extract; and preparing the organic fertilizer. According to the preparation method, bacillus subtilis, lactobacillus plantarum and saccharomyces cerevisiae are activated firstly, then the activated bacillus subtilis, the activated lactobacillus plantarum and the activated saccharomyces cerevisiae are mixed according to the mass ratio of (8-10): (2-3): 1 to ferment soybeans to prepare the soybean milk powder, higher fermentation efficiency is achieved, the content of small-molecule polypeptide in the soybean milk powder can be effectively increased, and the soybean milk powder can be used for preparing the soybean milk powder. When the soybean milk powder is used as a main component of an organic fertilizer, after soybeans are fermented, organic substances such as protein in the soybeans are decomposed into small-molecule polypeptides, so that the soybean milk powder is more favorable for crops to absorb, can provide nitrogen, phosphorus, potassium and various trace elements for the crops, and can effectively promote the growth of the crops.

The utility model relates to the technical field of calabash planting, and particularly discloses an intelligent irrigation device for calabash, which comprises a water storage tank, a water taking device, a water flowing pipeline, a stamping valve, a spray irrigation pipeline, a micro drip pipeline and a control module, the running water pipeline is connected with the water storage tank, the water taking device, the spray irrigation pipeline, the micro-drip pipeline and the stamping valve and is connected with a pressurizer and a first valve, the spray irrigation pipeline is connected with a spray irrigation mechanism and a spray irrigation valve, and the micro-drip pipeline is connected with a micro-spray pipeline, a main valve, a drip irrigation mechanism and a drip irrigation valve. The micro-spraying pipeline is connected with a micro-spraying valve and a micro-spraying mechanism, and the control module is electrically connected with the water taking device, the pressurizer, the first valve, the sprinkling irrigation valve, the main valve, the drip irrigation valve, the micro-spraying valve, the sprinkling irrigation mechanism, the micro-spraying mechanism and the drip irrigation mechanism. The utility model solves the problem in the prior art that the root system of the calabash cannot absorb water when the calabash is irrigated by micro-spraying.

The invention discloses an ecological protection method for a down-dip water-containing rock slope, which relates to the technical field of ecological protection slope protection, and sequentially comprises ecological restoration of the slope surface of the slope and ecological restoration of the platform surface of the slope, ecological restoration of the slope surface sequentially comprises the steps of slope surface cleaning, drilling and vine planting, water drainage hole forming and vegetation concrete spraying of a base layer and a surface layer. The ecological restoration of the platform surface sequentially comprises the steps of cleaning the platform surface, laying an impermeable layer, building an enclosure retaining wall, planting oriental arborvitae and Japanese creeper in the enclosure retaining wall, building a soil retaining ridge, planting ridge plants, arranging a soil covering layer and planting traditional Chinese medicine plants. The greening of the slope surface can be accelerated by using the vegetation concrete and the drilling planting rattan; the slope rock mass is effectively prevented from sliding along the bedding, meanwhile, the down-dip slope is greened, and the ecological protection effect of an existing down-dip rock slope is improved.

The utility model relates to the field of pomegranate planting fertilization discloses a kind of pomegranate planting fertilization device, including cart, the top of the cart is provided with irrigation assembly, the irrigation assembly includes storage cylinder, the storage cylinder is fixedly connected in the top of cart near left side position, the top of the cart is fixedly installed with water suction pump near the right side of storage cylinder, the water suction pump is communicated with the inside of storage cylinder by connecting pipe, the top of the cart is fixedly installed with delivery pipe above water suction pump, the delivery pipe is also communicated with each other by connecting pipe with water suction pump, the top of the delivery pipe is provided with multiple groups of connecting hose. In the utility model, liquid fertilizer is simultaneously fertilized by multiple spray heads, improving the efficiency of fertilization, multiple spray heads are adjusted, the direction of fertilization can be accurately controlled, the fertilization range is expanded, the uniformity of fertilization is ensured, the fertilization area per unit time is improved, and the uniform distribution of fertilizer is ensured.

The invention discloses a compound fertilizer for improving slope cropland acidified soil by using biological crust and a preparation method thereof.The preparation method comprises the steps that straw chippings, smashed citrus imperfect fruits, cow dung, rape seed cakes and saccharomycetes powder are stirred and mixed and then fermented and composted, and an organic fertilizer A is prepared; mixing plant ash and a mixed bacteria solution to prepare an alkaline organic fertilizer; the preparation method comprises the following steps: crushing an alkaline organic fertilizer, fully and uniformly mixing the crushed alkaline organic fertilizer with urea, phosphogypsum, potassium sulfate and calcium superphosphate, granulating, sequentially spraying the green alga suspension and sodium alginate on the surface of the prepared organic-inorganic compound fertilizer, and drying at low temperature to obtain the compound fertilizer. The compound fertilizer disclosed by the invention can quickly form biological crust and reduce soil leaching after being spread into soil, organic fertilizers, inorganic fertilizers and microbial agents are organically combined and prepared into spherical fertilizers, mechanical fertilization is facilitated, the nutrient requirements of crops in the whole growth period are met while acidified soil is improved, and the yield of the crops is increased. Not only is the availability of the acidified soil improved, but also the sustainable development of farmland is promoted.

The invention provides a biomass pyrolysis product functional soil conditioner as well as a preparation method and application thereof. The biomass pyrolysis product functional soil conditioner is prepared from the following materials in parts by weight: 40 to 60 parts of biochar-attapulgite composite material, 15 to 30 parts of humic acid, 5 to 10 parts of attapulgite clay, 3 to 5 parts of diammonium hydrogen phosphate, 8 to 10 parts of pyroligneous liquor, 5 to 10 parts of polyaspartic acid and 3 to 5 parts of bioremediation fungicide. The agricultural wastes such as honeydew melon stems, sunflowers, corns, soybeans, wheat, rice straws and agricultural mulching films are used as raw materials and are converted into the soil conditioner with high additional value through a biomass pyrolysis technology, so that resource utilization of the agricultural wastes is realized, agricultural carbon emission is reduced, and the development of low-carbon agriculture is promoted.

The invention belongs to the technical field of organic-inorganic compound fertilizers, and relates to an organic-inorganic compound fertilizer and an application thereof in prevention and treatment of rice blast. The organic-inorganic compound fertilizer is obtained by mixing 25-50 parts of a plant source organic fertilizer, 25-50 parts of an animal source organic fertilizer, 5-10 parts of an inorganic fertilizer raw material and 0.5-1 part of sodium silicate, wherein the plant source organic fertilizer is a licorice residue organic fertilizer. Through complementation of organic and inorganic nutrients, comprehensive and balanced nutrients are provided for rice, the stress resistance of plants is enhanced, the yield is increased, meanwhile, the rice blast prevention and treatment effect is good, the advantages of being environmentally friendly, low in residue and easy to degrade are achieved, and the defects that chemical pesticides are likely to generate drug resistance and pollute the environment can be overcome.

The invention discloses a preparation method of a controlled release organic fertilizer special for eucalyptus, which comprises the following steps: uniformly mixing decomposed farmyard manure, compound fertilizer, clay, borax and zinc sulfate according to the nutritional requirements of the eucalyptus in different growth stages to obtain a base fertilizer; the preparation method comprises the following steps: mixing urea, monoammonium phosphate, calcium superphosphate, potassium chloride, clay, manganese sulfate, diammonium phosphate, potassium sulfate, magnesium potassium sulfate, borax, zinc sulfate and other raw materials according to different proportions, granulating, and respectively spraying with a polyurethane coating liquid and an epoxy resin coating liquid, polyurethane coating layers and epoxy resin coating layers with different thicknesses are sprayed on the through holes to obtain slow release fertilizers with different slow release periods, the slow release fertilizers with different slow release periods are mixed in proportion and then applied to planting holes at one time when eucalyptus is planted, and the slow release fertilizers are released in different growth periods of the eucalyptus; the proportion of various nutrient substances is regulated and controlled to meet the nutritional requirements of the eucalyptus in different growth stages, so that the fertilization frequency is greatly reduced, and the problem that the fertilization cost is relatively high is solved.

The invention discloses an agriculture and forestry compound management method with eucalyptus and commercial crops as main components, and the method specifically comprises the following steps: S1, forest land site selection and pretreatment: selecting a laterite / laterite forest land with the altitude less than or equal to 800m and the PH value of 4.5-6.5, and relates to the technical field of agriculture and forestry compound management. According to the agriculture and forestry composite management method with eucalyptus and commercial crops as main components, medicinal plants such as honeysuckle, rhizoma polygonati and anoectochilus formosanus are accurately matched according to microenvironment characteristics of eucalyptus in different growth stages, the content of effective components of various medicinal materials is remarkably increased by combining a medicinal component directional regulation and control technology, and the effective components meet the high-quality standard of pharmacopoeia; compared with a traditional mode, the annual average yield per mu income of medicinal plants and the land resource utilization rate are greatly improved, the nutrient requirements of eucalyptus in all growth stages are met through intelligent drip irrigation and staged water and fertilizer management, the application of biological bacterial fertilizer and organic fertilizer is matched, the soil structure is effectively improved, the eucalyptus growth speed and the wood yield are remarkably improved, and the phenomenon of small old trees is avoided.

The invention provides a method for preserving moisture, fertilizer and carbon under an artificial eucalyptus forest. The method comprises the following steps: (1) cleaning litters between October and November; applying the compound fertilizer in January of the next year, turning the soil again, removing weeds, and leveling; (2) after the seeds are treated, ardisia japonica seeds are sown in the eucalyptus forest from February to March of the next year; the ardisia japonica is planted on the sunny slope, and the flemingia macrophylla is planted on the shady slope; (3) topping the ardisia japonica at the early seedling emergence stage from late March to early April, retaining basal leaves, and breaking off pedicels from bases; (4) during the growth period of ardisia japonica, soil loosening and weeding are conducted three times, and compound fertilizer topdressing is conducted two times; (5) watering in drought weather, and cleaning ditches and draining flood in rainy season; (6) ardisia japonica is harvested between October and November; digging out roots, and removing soil, stems, leaves and fibrous roots; and (7) moghania macrophylla. The method has the effects of preserving water and fertilizer and fixing carbon, the rotation period of eucalyptus can be shortened, and the content of coumarin in ardisia japonica is increased.

This invention discloses a slow-mixed fertilizer suitable for increasing yield and reducing emissions in machine-transplanted early rice in low-latitude regions. It consists of the following parts by weight: 4-6 parts sulfur-coated urea and 4-6 parts 2-month resin-coated urea. The invention also discloses the application of this slow-mixed fertilizer in early rice production, with fertilization carried out simultaneously with rice transplanting. The slow-mixed fertilizer is applied directly to the base of the seedlings at a depth of 5 cm and 3-5 cm in the soil. This invention's slow-mixed fertilizer can increase yield, nitrogen fertilizer use efficiency, and reduce greenhouse gas emissions. Compared with conventional high-yield, multi-stage fertilization, the application of this invention's slow-mixed fertilizer increases rice yield by 7.5%-7.8%, increases nitrogen fertilizer use efficiency by 30.5%-44.5%, reduces global warming potential by 12.8%-27.5%, and reduces greenhouse gas emission intensity by 19.3%-32.7%.