523 results about "Field crop" patented technology

Belonging to the field of biological control of pests, the invention discloses a Bacillus thuringiensis strain that has a broad spectrum and is highly effective on lepidoptera pests, preparation of its wettable powder and application. The Bacillus thuringiensis YX-1 strain involved in the invention is preserved in China General Microbiological Culture Collection Center, and the preservation number is CGMCC No. 5256. Containing a plurality of insecticidal genes, the strain has a highly effective lethal effect on Cydia molesta, cotton bollworm, fall webworms, Adoxophyes orana Fisher von Roslerstamm, Phalera flavescens Bremer et Grey, carpocapsa pomonella, prodenia litura, plutella xylostella, beet armyworm and other lepidoptera pests. The invention also discloses a method for preparation of wettable powder through the YX-1 strain. The Bacillus thuringiensis YX-1 strain and its wettable powder provided in the invention are mainly used for prevention and treatment of lepidoptera pests on various fruit trees and vegetables, also can be used for prevention and treatment of lepidoptera pests on field crops and garden plants, and have the characteristics of broad spectrum, high efficiency, safety to people, livestock as well as animals and plants, and no environmental pollution, etc.

The invention discloses a method for directly seeding rice, which comprises the following steps of: preparing soil; preparing a slag fertilizer; soaking seeds and accelerating germination; digging holes and seeding in a dry field; weeding; fertilizing in a land for growing field crops; thinning; and preventing and controlling plant diseases and insect pests. Since the method for directly seeding the rice directly digs holes and seeds in the field, the method can ensure that rice in a dry area grows normally by using a little amount of water before the head sprouting process of the rice, achieves good drought-resisting and water-saving effects, eliminates the transplanting step, avoids damaging root systems of the rice, strengthens the tillering capacity of the rice, achieves high yield, simplifies the working procedure, saves labor force, has low production cost, high efficiency and convenient operation, and can be widely used for planting rice in mountain areas, hilly areas, easily droughty areas and water-lacking dead angles of pieces of paddy fields.

Methods for manipulating yield and generation time of short day plants grown in a field environment are provided. The methods comprise manipulating external signals such as photoperiod in order to increase the per plant seed yield. Also provided are methods for synchronizing the flowering times of plants in different maturity groups.

The invention discloses synchronous nutrition fertilizers, preparation methods thereof and applications thereof. The synchronous nutrition fertilizers comprise four formulas consisting of a high nitrogen formula, a high nitrogen potassium formula, a high potassium formula and an equalization formula, and the synchronous nutrition fertilizers of the four formulas respectively comprise a base fertilizer and a resin coating controlled release component adapted to the base fertilizer. The synchronous nutrition fertilizers of the invention can be applied to the one-time fertilizing of short-growth period field crops or the less-time afterfertilizing of long-growth period or perennial economic crops. The preparation methods of the invention not only allow the nutrient proportion of the fertilizers to satisfy demands of crops, but also allow the speed, the quantity, the proportion of nutrition elements of nutrients in the fertilizers to be controlled to basically fit the demands of nitrogen, phosphor and potassium of the crops with various growth periods. An organic cooperation of the fertilizers of the four base formulas of high nitrogen, high nitrogen potassium, high potassium, and equalization with the resin coating controlled release component is provided in the invention to solve a present limitation that one formula fertilizer only corresponds with the nutrition demands of one or one type crop.

The invention relates to a chelated liquid fertilizer containing multiple types of plant alcohols and medium trace elements, which is applied in the field of agriculture and forestry. The liquid fertilizer consists of the following main materials in parts by weight: 80-450 parts of soluble plant alcohols, 1-10 parts of calcium nitrate, 0.5-3.5 parts of zinc sulfate, 0.1-2.5 parts of manganese sulfate, 0.5-5 parts of magnesium sulfate, 0.1-2.5 parts of ferrous sulfate, 0.03-0.08 part of cobalt chloride, 0.01-0.05 part of ammonium molybdate and 0.2-1.0 part of boric acid. The pH value of the liquid fertilizer is adjusted to be neutral with slightly stronger acidity by adding an appropriate amount of water. The liquid fertilizer contains the multiple types of plant alcohols and has the capabilities of activating the biological activity of crops and enhancing the adsorption to the medium trace elements of the crops and the antioxidation of the crops; and the medium trace elements are capable of promoting the healthy growth of the crops and correcting the nutritional deficiency symptom of the crops. The liquid fertilizer has the characteristics of simple processing technology, low production cost, high fertilizer efficiency and the like; the liquid fertilizer is suitable to serving as a toot system and leaf top application for fruit trees, vegetables and field corps, and is particularly suitable to supplying medium trace element nutrition to the leaves or fruits during the late growth period of the fruit trees. The liquid fertilizer with multiple elements is extensive in application.

The invention relates to the traditional Chinese medicine biotechnological field, in particular to a method for tissue culture and rapid propagation of Trichosanthes kirilowii Maxim, including six steps of configuration of culture medium, picking of explant and establishing of initial generation culture, successive generation propagation culture, strong stock rooting culture, transplantation of seedling in test tube and transplantation to land for growing field crops. By adopting the technical scheme of the invention, (1) as the seedling is completely deviated from the same plant, breed and hereditary characteristics are all the same, thus being convenient for rapid implantation propagation of improved breed; (2) growth of seedling is rapid and tidy and harvest period is almost the same, thus being beneficial to intensive management and commercialization production; (3) plant diseases and insect pests of Trichosanthes kirilowii Maxim are greatly reduced, and cost investment is reduced; (4) by tissue culture and optimization, yield per mu of fresh Trichosanthes kirilowii Maxim fruit can reach more than 5000 kilo grams (increased by 2500-3500 kilo grams), yield of dry Trichosanthes kirilowii Maxim fruits can reach more than 1000 kilo grams (increased by 500-600 kilo grams), and yield of radices trichosanthis can reach more than 1000 kilo grams (increased by 500-600 kilo grams).

The invention relates to sterilization composite containing phenazino-1-carboxylic acid. The effective components are one type of phenazino-1-carboxylic acid (A) or methoxy acrylate composite (B), wherein the mass ratio between the effective components (A) and (B) is 50:1-1:50. The sterilization composite is mainly used for preventing and treating fungous diseases of cucurbits and vegetables, apples and field crops.

The invention discloses a propagation of a lily seedball by directly peeling a scale and relates to an asexual propagation technology of a lily seedball. The invention is realized in the following steps:(1) selecting a seedball; (2) sterilizing the seedball; (3) cooling the seedball; (4) peeling a scale; (5) disinfecting the scale; (6) directly planting the scale in a land for growing field crops; (7) managing the intertillage; and (8) harvesting the seedball, screening and classifying to obtain qualified the commercial seedball. The invention overcomes the defects in the prior art, the required materials for cultivating the lily seedball are easily obtained, the cultivation method is simple and practicable, and various conditions are easy to be realized and controlled. Besides, the invention especially effectively overcomes the trouble that all the cuttage technologies by peeling the lily scale in the prior art need the poikilothermic treatment, thereby achieving the goals of saving time and labor, and largely lowering the cost for cultivating the seedball. The invention has the advantages of convenience, practicality, and large amount and good quantity of the obtained seedballs,thereby being especially helpful to the large-scale production of the lily seedball and having broad market application prospect.

A cleaning apparatus is provided for cleaning crops, such as potatoes or beets, with adhering particles of soil and the like. The apparatus comprises a charging and or supply hopper with an opening at its underside from which the crops enter for cleaning; a housing with a cleaning region, wherein the crops are cleaned; a rotating screen drum rotating about an axis of rotation wherein the crops are cleaned; wherein the screen drum is arranged in the cleaning region; the axis of rotation of the rotating screen drum is inclined at an acute angle.

A field crop information collection robot comprises a width adjustable mobile platform, and the width adjustable mobile platform is provided with a power system, a semi-automatic GPS navigation system, an information collection system, a circuit control system, a robot operation management system, a drug delivery water supplement system and a shading and automatic light supplement system. The width adjustable mobile platform comprises a width adjustable body structure, an amphibious wheel mechanism and the power system, and the power system drives the rotation of the amphibious wheel mechanism. The present invention provides a ridge-crossing field crop phenotype information collection robot. The robot is compact in structure, simple to operate, rich in function, good in multi-type field applicability, high in field walking smoothness and high in load capability and can realize a single-plant crop accurate phenotype information collection function. An experiment platform and a data carrier are provided for following developed monitoring analysis of soil information and young plant characters, plant computer vision analysis, body itself satellite and inertial navigation and seeding fertilization water supplement drug delivery key part test.

The invention discloses a paenibacillus polymyxa strain and application thereof. The strain is paenibacillus polymyxa LQ19, and the preservation number is CGMCC NO. 19097. The bacterial strain disclosed by the invention is wide in antibacterial spectrum, the antibacterial effect on root rot pathogens of horticultural crops and field crops is as high as 73% or above, the antibacterial effect on fungal and bacterial pathogens of crop leaves is as high as 78% or above, and the bacterial strain can be used for preventing and treating soil-borne diseases and air-borne diseases. Meanwhile, the strain disclosed by the invention is safe to crops, can promote seed germination and crop growth, has good drug effect persistence, is not easy to cause drug resistance, can effectively reduce the use amount of chemical pesticides, is beneficial to pollution-free production of crops, and has a very wide application prospect in biological prevention and control of plant diseases.

The invention provides a vegetable, rice and flower planting and net cage intercropping combination device. The device comprises a floating block, a net cage, a cultivation container and a fastening piece; the net cage is a circular or square container which is formed by a nylon net in a surrounding mode and does not have the top face, the floating block is placed at the top of the net case, and the cultivation container is placed on the floating block. By means of a vegetable, rice and flower planting and net cage intercropping combination device, pesticides are not needed, and the vegetable and rice planting cost is low; in addition, the environment is easily protected, a water body is purified, and economic benefits are generated through ponds and lakes. When the method is adopted for planting vegetables and rice and culturing fishes, ingredients such as nitrogen, phosphorus and potassium contained in the ponds and the lakes are absorbed by the cultured products and are microelements needed by the human bodies, nutrition is abundant, and the quality of the products is better than that of products cultured in land for growing field crops.

The invention relates to the technical field of agricultural production, and particularly provides a monitoring method for crop diseases and pests. According to the technical scheme of the invention, the method is conducted based on the unmanned plane technology and the cloud computing technology. The method comprises the steps of establishing a crop disease and pest database, shooting the image of a field crop through the cruising of an unmanned plane, calculating, pre-warning, accurately shooting, calculating for a second time, guiding the disease and pest control and prevention, and the like. On the basis of establishing the crop disease and pest database, the image data of the field crop are shot by the unmanned plane. Through the cloud computing-based analysis and comparison, the early warning for crop diseases and pests is given out in time. Meanwhile, the disease and pest control and prevention is guided and the agricultural production level is improved. The agricultural production management cost is reduced. Moreover, the yield, the quality and the benefit of agricultural products are improved.

The invention discloses a cuttage seedling method for honey suckles. The method mainly comprises the following steps: paving a black mulching film; performing rooting treatment on cuttage seedlings; after the cuttage seedlings treated by a rooting agent pass through the black mulching film, inserting the cuttage seedlings into soil; and covering a soil layer with the diameter of 50 to 60 cm and the thickness of 5 to 6 cm at the periphery of the cuttage seedlings. By the method, the survival rate of the cuttage seedlings of the honey suckles can be increased and can reach over 90 percent. According to the photosynthesis principle of crop growth, the black mulching film is paved, so growth of weeds can be inhibited and the weeding aim is fulfilled basically. Soil moisture can be maintained and the ground temperature can be increased, so that growth of the crops can be accelerated, the crops are ripe in advance and the economic benefit is increased. The mulching film is simple to pave; and the width of the mulching film is selected according to the distance between the field crops. After the mulching film is paved, soil covers the periphery of the cuttage seedlings, so that the cuttage seedlings are prevented from being burned due to overhigh reflecting temperature of the black film.

A storage compartment and a refrigerator using the storage compartment. The storage compartment comprises a box and a mist sprayer. The box comprises storerooms for field crops therein. The mist sprayer generates mist by spraying a liquid into the storerooms. Then, the mist sprayer raises harmful substances adhered to the surfaces of the field crops stored in the storerooms or adhere the mist to the harmful substances adhered to the surfaces of the field crops stored in the storerooms.

The invention discloses a cultivation method for organic rice. The cultivation method comprises the following steps: (1) cultivating rice seedlings; (2) cultivating a land for growing field crops; (3) preventing and treating plant diseases and insect pests and weed; (4) carrying out field management; and (5) harvesting rice timely and drying and storing the rice. According to the cultivation method for organic rice provided by the invention, occurrence of plant diseases and insect pests in a rice growing process is effectively reduced by arranging an insect-proof screen, performing rice-duck intergrowth and carrying out other physical means of prevention, so that use of chemical pesticides is reduced or even avoided. By applying a decomposed organic fertilizer which replaces a common chemical fertilizer, the fertilizer efficiency is improved, the resource investment is reduced, and meanwhile, pollution on soil and rice as a result of overusing chemical fertilizers is avoided. The cultivation method disclosed by the invention is easy to master, is convenient to plant and is suitable for being popularized and applied in a large area in an organic rice growth region, and moreover, the produced rice is good in color and luster, fragrant in taste and high in quality, and meets the demand of being safe, organic and environmental-friendly.

The invention relates to a liquid fertilizer containing many kinds of phytols and medium-trace elements and is applied to the fields of agriculture and forestry. The liquid fertilizer is prepared from the following main raw materials in parts by weight: 80-450 parts of soluble phytols, 0.3-1.0 part of calcium nitrate, 0.3-3.5 parts of zinc sulfate, 0.3-3.5 parts of manganese sulfate, 0.3-3.5 parts of magnesium sulfate, 0.3-2.5 parts of ferrous sulfate, 0.3-4.0 parts of cobalt chloride, 0.1-3.5 parts of ammonium molybdate and 0.5-4.0 parts of boric acid, an appropriate amount of water is added, and the acidity-basicity of the fertilizer is regulated to be neutral or slightly acidic. The fertilizer contains many kinds of phytols, so that the physiological activity of crops is activated, and the medium-trace element absorption and anti-oxidation capacities of the crops are improved; and due to the medium-trace elements, the healthy growth of the crops can be promoted, and the element deficiency symptoms of the crops can be corrected. The liquid fertilizer disclosed by the invention has the characteristics of simple machining process, low production cost, high fertilizer efficiency and the like, is applicable to the top application of the roots and foliage of fruit trees, vegetables and field crops, particularly the medium-trace element nutrition supplementation of leaves or fruits at the late growth stages of the fruit trees, and is a multi-element liquid fertilizer with a wide range of application.

The invention discloses a fungus for promoting orchid seeds to germinate. The classified name of the fungus is tulasnellasp. fungus Bsg14 with the preservation number of CGMCC No.2451. The strain has important significance for solving the seed germination problems of dendrobium plants in orchidaceae and bletilla plants, can be sown with the orchid seeds and capable of used for culturing seedling-raising trays, flowerpots or seedbeds or cultivating the land for growing field crops and has application value for obtaining the seedlings instead of tissue culture.

The invention relates to a compound fertilizer for field crops planted in arid regions, semiarid regions and desert regions, and particularly relates to a slow-release water-retaining compound fertilizer composition. The slow-release water-retaining compound fertilizer composition is prepared from the following raw materials in parts by weight: 5-6 parts of urea, 5-6 parts of potassium dihydrogen phosphate, 15-16 parts of diammonium phosphate, 2-3 parts of fulvic acid, 13-18 parts of humic acid, 8-10 parts of attapulgite, 1-1.5 parts of ethylene diamine tetraacetic acid, 1-1.5 parts of citric acid, 15-16 parts of ferrous sulfate, 12.5-14 parts of calcium carbonate, 7-8 parts of zinc sulfate, 4.5-6 parts of borax, 1-1.5 parts of iodine ore powder and 1-1.5 parts of molybdenum ore powder. The slow-release water-retaining compound fertilizer composition has the functions of salt tolerance, drought resistance, water saving, water retaining, nutrition, slow release, rootage, soil structure improvement and the like, can enhance the effective utilization rate of the fertilizer and reduce the pollution to soil, and is applicable to forest planting, desert control, field crops, greenhouse vegetables, fruit trees, traditional Chinese medicinal materials, flowers and the like in arid and semiarid regions.

The invention discloses a drought-resisting deep-ploughing-free nutrient leakage-prevented trace-element fertilizer, wherein the raw material components, given in weight percentage, are as follows: 28-66% of polyacrylamide, 29-66% of calcium bentonite, 3-5% of biochemical fulvic acid, 0.4-3.5% of amino acids and 1.5-2.5% of chelating trace elements, wherein the raw materials are weighed based on the percentages and uniformly and fully stirred to obtain the fertilizer. The raw materials are weighed according to the requirements and are uniformly and fully stirred to obtain a real water-holding deep-ploughing-free functional fertilizer added with trace elements fertilizer. The fertilizer can regulate pH value of the soil to solve continuous cropping diseases and supplement varieties of trace elements, and resist droughts, hold water, loosen earth and avoid deep ploughing at the same time. The fertilizer is capable of improving the qualities of fruits and vegetables and reaching high yield and high efficiency while realizing high resistance of physiological diseases. The fertilizer can be widely used for varieties of modern planting structures of agriculture and forestry, and is suitable for varieties of field crops, protected areas, orchards, gardens, green belts and lawns.

The invention discloses a system for estimating growth conditions of field crops. The system comprises a field working machine and a remote management terminal, wherein the field working machine is used for collecting a crop canopy image in a field, so as to obtain an angle value measured by an angle sensor, and longitude and latitude values for positioning a working region; sending the crop canopy image, the angle value and the longitude and latitude values to the remote management terminal, wherein the angle value is related to the value of the hardness of crop straws and the value of the density of the crops; storing and processing the received crop canopy image, angle value and longitude and latitude values by the remote management terminal to obtain an operation instruction of the field working machine; sending the operation instruction to the field working machine. The invention further provides a method for estimating the growth conditions of the field crops; in the method, data including gravity, bending acting force of a connection rod, horizontal acceleration, the crop canopy image and the like are comprehensively adopted; under the condition of not damaging the crops, the continuous and accurate measurement on the straw hardness and the plant density of the crops can be realized without manual operation, and a crop growth condition picture is drawn.

The invention discloses a rice field-upland field rotation method for achieving no-tillage double cropping of late rice in a spring maize field. The method comprises the steps of early-spring soil tillage and ditching and ditch making, spring maize variety selecting and sowing, spring maize field management, maize harvesting and straw treatment, late rice sowing and seedling raising, late rice seedling bed period management, late rice no-tillage pot seedling transplanting, fertilizer and water management of land for growing field crops and the like. By means of the rice field-upland field rotation method for achieving no-tillage double cropping of the late rice in the spring maize field, successful arranging of double cropping of spring maize and the late rice is achieved, the annual light and temperature resource use ratio is increased, the farming consumption time of crop change of the maize and the late rice is shortened, the mechanical input cost is reduced, the annual grain yield per mu is 1,300 kilograms or above, and the annual benefit per mu is significantly improved.