235 results about "Crop field" patented technology

The present invention relates to bispore mushroom cultivating technology, and is especially one kind of bispore mushroom cultivating medium and its application. The cultivating medium consists of grass material 45í½55 wt%, dung material 35í½45 wt%, cake fertilizer 1í½8 wt%, urine 0.5í½1.0 wt%, gypsum powder 0.5í½1.5 wt%, calcium superphosphate 0.8í½1.5 wt%, lime powder 0.2í½1.5 wt%, calcium carbonate 0í½2.0 wt% and dichlorovos 0í½0.5 wt%. The grass material including rice straw, wheat straw, cotton seed husk, corn cob and corn stalk, and the dung material including cow dung, house dung and chicken dung account for at least 90 wt%. The cake fertilizer may be soybean cake, soybean powder, cotton seed cake and/or corn powder. The cultivating medium is used for cultivating bispore mushroom in tall stalk crop field and has biological conversion efficiency over 60 % and bispore mushroom yield over 25 kg/sq m.

The invention relates to a lossless testing device for nitrogen nutritive index of crop leaves based on canopy reflection spectrum. It belongs to technology field of crop production, which is specially used in online detecting and precious fertilizing guidance of crop field production. It is mainly composed of bracket, spectrum signal collection and host computer. Spectrum signal collection adopts design of 4 waveband and 8 channels. Hardware system is composed of analog signals conditioning module, A/D transfer module, chip module, memory module, display module, keyboard module, communication module and power management module. Software system is programmed by C51 chip language. Detection of nitrogen content, nitrogen accumulation and leaf area index of canopy not only ensures high detecting precision, but also provides three data indexes of different facets to analyze nitrogen nutritive level of crop, which guarantees reliability and stability of detecting results. It can be applied in field operation, online lossless detecting, field online manage and guidance for agricultural production personnel.

From the crop of a predetermined area in a plant field under exposure to natural light, a reflectivity of the light having relation to crop information such as nitrogen content rate is measured by a camera; the crop information as first crop information is obtained from the first crop related formula established in advance for obtaining the crop information from the reflectivity; light is irradiated on crop leaf blades in the same area as the predetermined area and an amount of the light is measured; the crop information as second crop information is obtained from the second crop related formula established in advance for obtaining the crop information from the amount of the light; differences are calculated from the first crop information and the second crop information; the first crop information is obtained from the unknown crop in the predetermined area within the crop field of the same area; the first crop information is corrected based on the differences; and the nutritious diagnosis of the crop in the field is conducted by the corrected first crop information. In conducting diagnosis of crop by measuring the reflection light amount from the crop, since compensation or correction is performed, no great errors occur caused by differences in the measurement locations and the planting densities, and the diagnosis of the crop is simple and easy and, more over, the precision in the measuring is enhanced.

The invention discloses a composite soil conditioner for treating heavy metal Cd pollution, and preparation and use methods thereof. The composite soil conditioner comprises the composition and content: 20-30% of clay minerals, 10-20% of peat, 10-20% of biochar, 25-35% of slaked lime, 5-15% of an oxide of iron, and 5-10% of a microbial agent. The preparation of the composite soil conditioner comprises the following steps: adding the clay minerals, the peat, the biochar, the slaked lime and the oxide of iron in proportion, then fully stirring until the raw materials are evenly mixed; adding the microbial agent with the amount of 5-10%, to prepare an inorganic and organic composite conditioner, wherein the microbial agent contains at least one of iron-reducing bacteria, photosynthetic bacteria and bacillus. The composite soil conditioner prepared by the method is directly added to crop field soil polluted by heavy metals in proportion, and then ploughed fallowing is performed. Compared with the prior art, the product has the advantages of ingenious and reasonable formula design, excellent in-situ passivation effect, simple preparation method, low production cost, simple application method and the like.

The invention belongs to the field of rice cultivation, and particularly relates to a cultivation method suitable for no-tillage rice in a fixed compartment of an oil crop-medium rice field. The cultivation method comprises the following steps that: (1) rice seeds are coated by using dry-raised nurse, thick mud and dry fine soil serving as coating agents, wherein the components comprise 7.9 to 12.5 percent of dry-raised nurse, 25 to 26.3 percent of rice seeds, 12.5 to 13.2 percent of thick mud with 37 percent of water content and 50 to 52.6 percent of dry fine soil with 3 percent of water content in percentage by mass; the rice field is finished as required and the soil moisture is kept; and keeping the seedling age at 15 to 18 days; (2) the compartment width of the oil crop field is 1.2 meters, the width of the ditch is 0.3 meter, and the depth of the ditch is 0.25 meter; the rape seedlings are applied to the field; a ternary compound fertilizer of which pure nutrients comprise 15 percent of N, 15 percent of P2O5 and 15 percent of K2O is applied, and 30 kilograms of pure nitrogen is applied in each mu; 5.80 kilograms of zinc is applied in each mu; and 4.8 kilograms of boron fertilizer is applied in each mu, and the ditch is kept full of water; (3) rice seedlings with 50 to 100 grams of soil in each seedling in 15 to 18 days are directionally thrown according to a row space of 20 centimeters; and (4) the ditch is kept with water and the compartment surface has no water after throwing the seedlings till the heading stage, and dry and wet alternated cultivation is adopted from the grain filling stage to the maturation stage. Compared with the conventional method, the yield is averagely increased by 8.7 percent.

The invention relates to an on-line monitoring system for the decision-making of the cropcanopy temperature difference irrigation, and is characterized in that the invention consists of a data processing device, an infrared canopy temperature monitoring device and a lightning-proof device. The data processing device consists of a data collector, a data memory and a personal computer. The data collector is connected with the personal computer through an Ethernet switch. The infrared canopy temperature monitoring device consists of a set of high-speed tripod heads, inside which an infrared canopy temperature sensor is arranged. The high-speed tripod heads are dispersedly arranged in a crop field through an upright stanchion of the bracket, wherein, at least one upright stanchion of the bracket is arranged with an environment temperature sensor, and the high-speed tripod head and the infrared canopy temperature sensor are connected with the data processing device through an RS485 bus. The lightning-proof device consists of a power lightning-proof facility, a bus lightning-proof facility and a communication lightning-proof facility. The invention has a flexible operation, and can conduct a realtime monitoring to the variation law of the cropcanopy infrared temperature at any point in a small area through the sensors arranged at different areas in the field.

The invention provides a method for forecasting the crop yield of per unit area in an irrigation district. Respective forecasting models of economic yield and environmental yield are respectively built, and then a combined forecasting model of crop field is obtained through the weighted sum of weight coefficients. The method weakens the respective defects of different models to enable the two models to mutually and self-adaptively complement each other, and also weakens the system analysis limitations brought by unilaterally forecasting the crop yield according to the socio-economic factors or natural environment factors simultaneously.

The invention discloses a cultivation method of greenhouse chilies in early spring. The cultivation method comprises the steps of seedling raising, field planting in due time, field management and product harvest, and a concrete operation method of each step is as follows: A, seedling raising: a, performing seed selection; b, selecting a first crop field to serve as a seedbed, and performing soil sterilization before seeding, wherein the first crop field has high terrain and fertile soil, and has no chili crop planted within five years; c, seeding in due time; and d, separating seedlings and heeling the seedlings in; B, field planting in due time; C, field management; and D, product harvest: as for plants with weak growth vigor, the first stubble of chilies is required to be harvested in advance appropriately; and as for plants with strong growth vigor, two fruits are reserved appropriately and delayed for harvest during harvesting. With the adoption of the cultivation method of the greenhouse chilies in early spring, proper seeding and fertilization applying time is selected, the applied fertilizer is scientifically controlled simultaneously, and the management method is appropriate and scientific, so that the cultivation method is scientific and reasonable, the yield is very high, the product quality is very good, the taste is good, and the requirement of people for the chilies is met.

The invention discloses a method for cultivating cigar wrapper tobacco leaves, comprising the following steps: selecting a first crop field; adjusting the pH value of the soil to 5.5-6.5; making ridges, applying base fertilizer, and disinfecting; mixing the seeds with fine sand after the seeds are disinfected, soaked and accelerated germination; evenly sowing the seeds on the surfaces of seedbeds; laying sunshade nets on the seedbeds; keeping the water-holding capacity of the seedbeds according to different growth periods; preparing the tobacco field before transplanting the tobacco seedlings; applying the base fertilizer through deeply ploughing the tobacco field; ditching planting ditches and transplanting; laying the sunshade nets; keeping the water-holding capacity of the tobacco field according to the different growth periods; pruning top when the tobacco seedlings grow until the rachides grow out; harvesting the tobacco leaves one by one according to the parts from bottom to top after the tobacco leaves grow proper mature, so as to obtain high-quality tobacco leaves. By adopting an overshadow planting technique, the method of the invention can plant out the tobacco leaves with open and flat leaf surface, moderate thickness, thin leaf veins, low damage degree and darker color; the tobacco leaves conform to the requirement of top-grade cigar wrapper tobacco leaves, thus the method has positive significance in the cigar industry development of China.

A system includes an aerial sensor platform including a spectral imaging device, a position sensor, and an orientation sensor and includes a ground-based sensor platform including at least one soil sensor. The system also includes a computing device with instructions that are executable by a processor to obtain spectral imaging data collected by the spectral imaging device and soil data collected by the at least one soil sensor. The spectral imaging data represents a particular field of view (based on data from the orientation sensor) of a particular geographic region (based on data from the position sensor) of a crop field and the at least one soil sensor is associated with the particular geographic region. The instructions are further executable by the processor to schedule an agricultural activity based on the spectral imaging data and the soil data.

The invention relates to an investigation method for crop breeding field characters. The method includes the steps: S1, establishing a test recording book template, entering a test recording book establishing module to establish basic information in a test recording book, and storing the basic information in a database; S2, making a field bar code or an electronic tag containing crop field position information, and hanging the field bar code or the electronic tag on a crop stem or inserting the field bar code or the electronic tag into a field to facilitate recognition when in field investigation; S3, establishing a character acquisition module containing various crop character parameters, and storing the crop character parameters in the database; S4, acquiring and inquiring field character data by recording the basic information of the test recording book and the crop character parameters through an acquisition terminal device held by a breeding investigator; and S5, uploading the data. By the aid of the method, data acquisition and transmission efficiency is greatly improved, the link of manual entry is omitted, mistakes and the like caused by secondary data reduction are avoided, and the labor intensity of a breeder is reduced.

Systems and methods for predicting pest susceptibility, comprising steps to receive geocoded geospatial image data of a crop field from sensors, receive microclimate data of the crop field, determine a crop vigor map for the crop field, and then generate a pest susceptibility map utilizing a risk model based on the crop vigor map and the microclimate data. The pest susceptibility map comprises a measure of a susceptibility of a crop in the crop field to one or more crop pests at one or more locations. In some embodiments, the method also comprises steps to generate a treatment plan (e.g., pesticide application) and to estimate an anticipated return on investment (ROI). The system therefore leverages remote-sensed data, machine data, analytics, and machine learning to enable farmers to predict, prevent, and control the outbreak of crop pests to greatest economic effect. Such a system addresses a fundamental problem in agriculture.

The invention relates to a synergistic weeding composition containing fluroxypyr, which is characterized by comprising compound A of fluroxypyr, compound B of phenoxy carboxylic acid and benzoic acid herbicides and substituted urea herbicide, wherein the weight percentage of the compound A and the compound B is 1 to 30 : 5 to 60. The composition can be widely used for preventing and curing broad-leaf weed in gramineous crop fields such as wheat, rice, corn and the like, can improve the prevention effect and can enlarge the weeding spectrum, is safe to the crops and has high efficiency.

The invention provides a crop field information collection device and method. The crop field information collection device comprises an acquisition platform, an information acquisition component and atrack chassis component. The track chassis assembly is provided with an electric lead screw lifting rod, a lead screw in the electric lead screw lifting rod is connected with the bottom of the acquisition platform, the information acquisition component is used for collecting and storing field growth data of target crops, an obstacle image acquisition device is installed on the front portion of the acquisition platform, and the obstacle image acquisition device and the electric lead screw lifting rod are electrically connected with a control unit separately. According to the crop field information collection device and method, through installing the information acquisition component of the target crops in the walkable track chassis component and a liftable acquisition platform, the information acquisition component is driven to move forward and can further adaptively adjust according to height images of the target crops to realize automatic and continuous collection of the field growthinformation of the target crops, and fast and accurate data for the fine management of field crops are provided.

The invention relates to the use of sophorolipids as adjuvants in combination with pesticides as a tank mixture additive and/or as a formulation additive for plant protection and the industrial non-crop field.

The Multipurpose Leaf Crop Harvesting Apparatus and Processing Method will accomplish seven steps in one pass of the combine harvester. This apparatus and processing method harvests leaf crops and is configured to perform multiple processing operations, including fractionation of the leaf crop, leaf maceration, leaf sizing, elevating the leaf fraction to a transport vehicle, and stem conditioning, cutting and windrowing, in a single pass through the crop field. These steps are accomplished using a header unit, an adapter feeder macerator and a forage harvester vehicle, expeditiously removing the leaf fraction from the field. Following leaf fraction harvesting, the leaf fraction is processed by densification into forage feed products. The processed leaf fraction can be combined with other feeds to make up customized feed rations. The stem fraction is also processed. The present invention can also be used to harvest grass crops.

The invention provides a farm chemical composition and application thereof. The farm chemical composition comprises the active components of dimethyl disulfide and allyl isothiocyanate. The farm chemical composition is used for disinfecting soil of crop fields for vegetables, strawberry, flower, melons, Chinese herbal medicines and the like and soil of a nursery, an orchard, a tea garden and a forest before sowing, and can effectively prevent and control root knot nematodes, soil-borne pathogenic fungi, soil-borne pathogenic bacteria and common farmland weeds during agricultural crop planting, especially the root knot nematodes, fusaria and abutilon theophrasti. The farm chemical composition has the benefits as follows: (1) the farm chemical composition has an unexpected synergistic effect within a certain proportion range, so that nematode-killing, bactericidal and weeding effects of the farm chemical composition are obviously better than those of a single component, the using dosage of farm chemicals, the farm chemical delivering labor and the farm chemical delivering cost are reduced, and the adverse effect on the environment and farm chemical residues are reduced; (2) the farm chemical composition has a wide prevention and control spectrum, and can be widely used for preventing and controlling soil-borne pathogenic nematodes, soil-borne pathogenic bacteria and weeds during agricultural crop planting.

The invention relates to mixed application technology of a compound micofume (DZ, whose common name is dazomet) and 1,3-dichloropropene (1,3-D) for controlling root-knot nematodes, soil-borne pathogenic fungi, and weed activity. The mixed application technology is suitable for pre-seeding soil disinfection of crop fields of vegetables, strawberries, flowers, gourds, nurseries, orchards, tea gardens, vineyards, forest trees, Chinese herbal medicines, and the like, and can effectively control southern root-knot nematodes, main soil-borne pathogenic fungi, main gramineae and broad-leaf weeds, and the like.

An automated system for monitoring and treating pests in a crop field, comprising at least one trap for monitoring and identifying pests, at least one UA V containing at least one chemical or biological products; a home base for parking or storing said at least one UA V when they are not operating; at least one database server; and equipment for communicating with said at least one trap, said at least one home base, said at least one UA V and said at least one database server.

A system including sensors to sense predefined measurable elements associated with a portion or portions of a utilized width currently engaged in harvesting on and relative to a harvesting mechanism while a harvester traverses a crop field and to output a signal or to adjust an operational characteristic of the harvester or the harvesting mechanism. The system may be configured to sense predefined measurable elements relative to a single crop row or single crop plant of utilized width. The system can be configured to sense predefined measurable elements at a distance between about five feet behind and ten feet in front of the harvesting mechanism. The system may implement a method generally comprising the steps of sensing the predefined measurable element, storing a crop-related data value, and associating the crop-related data value with a time-related data value to adjust the operational characteristics of the harvesting mechanism.

The invention relates to a high-yield and early-maturing wild rice stem transplanting management method. The method comprises the following steps of after the first-year wild rice stem is harvested, cutting off the head seedling, reserving the bottom with 20cm stubble, and using the stubble as the next-year transplanted seedling of wild rice stem; after the head seedling is cut off, applying 50kg of organic fertilizer or 1000kg of farm manure per mu; after a large amount of fresh seedlings are grown, separating the seedlings, transplanting into a paddy field, and controlling the seedling distance to 20*20cm; in December or January, transplanting the seedling of wild rice stem from the paddy field into a crop field, and controlling the water depth of the crop field to 3-5cm, and the seedling distance to 45*70cm; when the seedling of wild rice stem grows to the height of 50-60cm, additionally applying 50kg of organic fertilizer or 1,000kg of farm manure per mu; additionally applying 15kg of nitrogen fertilizer for 15 days before tillering stage, and increasing the water depth of the field to 7-10cm; in May, spraying 80ml of ethylicin or 500ml of fungicides of traditional Chinese medicine to the seedling of wild rice stem per mu; during maturing, harvesting at proper time; after harvesting, cutting off the head of the old stubble, reserving the bottom with 20cm, using the bottom as the next-year transplanted seedling of wild rice stem, and repeating the procedure.

The invention relates to an acid and chlorine adding control method and system capable of preventing a drip irrigation emitter from being blocked. The method includes (1) chemically adding acid and chlorine in coordination with pipeline washing; (2) a system head acid chlorine adding calculation method based on tail pH control. Acid and chlorine adding in coordination with pipeline washing specifically includes the steps of firstly, adding acid 0.5-1.5mg/L in concentration to a drip irrigation system for 20 minutes to 1 hour to allow the drip irrigation system to be in a meta-acid state; secondly, adding chlorine 0.8-2.5mg/L in concentration to the drip irrigation system for 1-3 hours to inhibit the growth of blocking substance biological films and promote the same to fall off; thirdly, washing the drip irrigation system to discharge the fell-off blocking substance out of the system so as to reduce the blocking risk of the drip irrigation emitter. By the method, the washing water of the previous row and previous line of a rotation irrigation group is used as the drip irrigation water of the next row and next line of the rotation irrigation group, water resources are saved, and water resource utilization is maximized. The method is widely applicable to crop field drip irrigation.