36 results about "Cropping system" patented technology

The invention provides a rice growth model construction method and system based on salt stress, and relates to the technical field of growth model.The rice growth model construction method comprises the steps that firstly, monitoring points are arranged in a planting sample area, and soil conductivity data of different depths are obtained through a multi-depth soil conductivity sensor and a Kriging interpolation method; collecting root system density, a multispectral remote sensing image and a leaf area index, and calculating a canopy salt stress index; measuring the concentration of related ions to obtain a sodium adsorption ratio, and establishing a salt stress coefficient by combining the soil conductivity and the irrigation volume; fusing canopy and soil stress indexes to generate a stress comprehensive index, and introducing a salinity feedback item to represent the crop compensation capability; and finally, constructing a hybrid machine learning model by adopting a convolutional neural network and a long-short-term memory network to realize rice growth dynamic prediction. According to the method, multi-dimensional salinity stress quantification of a soil-crop system is realized, and decision support is provided for salinization treatment in precision agriculture.

The invention discloses a straw returning method based on corn and covered crop cultivation, which comprises the following steps: grading and crushing corn straws according to soil types, carrying out zoning treatment, combining a leguminous-gramineae-cruciferae ternary mixed sowing covered crop system, and matching a decomposition microbial inoculum and controlled release nitrogen fertilizer synergistic regulation technology. The efficient decomposition of the straws and the improvement of the soil quality are realized. The method can increase soil organic matters by 0.25%, increase corn yield by 12.7% and reduce nitrogen fertilizer loss by more than 30%, and is suitable for sustainable production in dry farming areas.

The invention relates to the technical field of flue-cured tobacco planting, in particular to a two-year triple cropping flue-cured tobacco cultivation method, which adopts flue-cured tobacco-oilseed rape-corn rotation, flue-cured tobacco-oilseed rape-upland rice rotation or flue-cured tobacco-oilseed rape-buckwheat rotation. By means of the flue-cured tobacco cultivation method, the soil environment for flue-cured tobacco planting can be improved to a large extent, and the quality and yield of flue-cured tobacco are further improved.

The invention discloses a method for creating a new germplasm of early-maturing high-yield lodging-resistant flax in a triple cropping system of rice and flax, and aims to solve the problems of long growth period, low yield and poor lodging resistance of a traditional flax variety and remarkably improve the overall economic benefit of a triple cropping system farmland. Flax seeds are treated by adopting a radiation mutagenesis technology, and good varieties which are high in lodging resistance, early-maturing and high in yield are screened in combination with field trials, so that efficient and stable planting of a rice-flax triple cropping system is expected to be realized, and comprehensive development of a multi-cropping farmland is promoted.

The present invention provides a method and system for constructing a rice growth model based on salt stress, relating to the technical field of growth model construction. The method first sets up monitoring points in a planting sample area and obtains soil conductivity data at different depths using multi-depth soil conductivity sensors and the Kriging interpolation method. Root density, multispectral remote sensing imagery, and leaf area index are collected to calculate the canopy salt stress index. The sodium adsorption ratio is determined by measuring relevant ion concentrations, and a salt stress coefficient is established by combining soil conductivity and irrigation volume. The canopy and soil stress indicators are integrated to generate a comprehensive stress index, and a salt feedback term is introduced to characterize crop compensation capacity. Finally, a hybrid machine learning model is constructed using a convolutional neural network and a long-short-term memory network to achieve dynamic prediction of rice growth. The present invention achieves multidimensional salt stress quantification in the soil-crop system, providing decision support for salinization control in precision agriculture.

Systems and methods for monitoring crops are disclosed. This disclosure relates to a system for monitoring crops, the system comprising a first support frame, the support frame comprising a first sensor rack coupled to the first support frame, the first sensor rack comprising a first sensor module; a movement module, the movement module comprising a first sensor rack motor, wherein the first sensor rack motor is configured to move the first sensor rack along the first support frame from a first starting location to a first ending location; and a hyperspectral module, wherein the first sensor module is coupled to the hyperspectral module.

This invention discloses a remote sensing method for extracting the rice growing season based on time-series bidirectional detection. The method includes constructing a remote sensing index time-series dataset, determining the effective planting season and planting system, extracting the Start of Season (SOS) of the growing season, identifying the rice season, and extracting key parameters of the rice growing season. This invention can accurately identify the rice season and obtain high-precision key phenological periods of rice even under complex planting systems. Compared with traditional remote sensing methods, this method can accurately identify the crop planting system in the study area, and the extraction accuracy of the rice season and its key phenological periods is higher. Furthermore, this method can achieve cross-scale transfer, has strong versatility, and is applicable to rice crops in other study areas. By accurately identifying pixels containing rice planting and their rice seasons, it can accurately monitor the growth and development process of rice crops and extract key phenological periods.

Aiming at a series of challenges such as category imbalance, reference sample scarcity and weak space-time migration ability of a model algorithm, the invention jumps out of a data-driven model framework, and provides a planting system diversity remote sensing mapping method based on a crop structure function theory framework by exploring a crop growth mechanism and process. According to the method, a crop plant type-crop component-crop photosynthesis multi-level attribute framework is constructed, multi-dimensional time series data such as pigments, nitrogen, photosynthetic activity ratio, leaf area index and radar backscattering coefficient are fused, and high crown ratio, physiologically active substance ratio and unit leaf area photosynthetic efficiency index are designed in sequence; and establishing a space distribution integrated information extraction technology of different planting system types, further designing a planting system diversity index, and obtaining a planting system diversity space distribution diagram of the research area. The method has interpretability and cross-domain and cross-scale migration capability, and provides a key technology and a solution for obtaining agricultural condition information with time-space consistency for areas with complex and diversified planting types.

The invention relates to a heavy metal-resistant selenium-resistant bacterium, a fungicide mixture and a heavy metal contaminated soil remediation method, and belongs to the technical field of microorganisms and soil remediation. The invention discloses an anti-heavy metal selenium-tolerant bacterium HM3, which is Microbacterium oxydans, and the preservation number of the anti-heavy metal selenium-tolerant bacterium HM3 is CGMCC (China General Microbiological Culture Collection Center) No.35476. The efficient synthesis capability of biological nano elemental selenium is realized, and the heavy metal resistance and adsorption capability are realized. When heavy metal contaminated soil is repaired, the nano biological selenium is sprayed to the surfaces of crops and can be chelated with heavy metal to form an indissolvable selenium-heavy metal compound; the microbacterium oxydans applied to the soil can reduce the bioavailability of the heavy metals in the soil environment and reduce the migration of the heavy metals in a soil-crop system by utilizing the adsorption and complexing capabilities on the heavy metals.

The present application belongs to the field of crop cultivation technology, and relates to a rice-rice-wheat one-year three-crop cultivation method. The cultivation method comprises: (1) early rice cultivation: early rice is sowed in early to middle February, early rice season substrate is applied when land preparation, and early rice is harvested in late June to early July; (2) late rice cultivation: after early rice is harvested, early rice straw is returned to field in full amount and late rice season substrate is applied, then land preparation is carried out to mix early rice straw and late rice season substrate into mud evenly, late rice is sowed after land preparation, and late rice is harvested in late October to early November; (3) wheat cultivation: wheat is sowed in early to middle November after late rice is harvested, land preparation is carried out by shallow rotary tillage with a depth of 10-12 cm, and wheat season substrate is mixed into the sowing layer, and wheat is harvested in early to middle March of the next year. The present application solves the double problems of frequent diseases and soil compaction in the rice-rice-wheat one-year three-crop system.

The invention provides a multifunctional water-soluble fertilizer as well as a preparation method and application thereof, and belongs to the technical field of agricultural chemistry and fertilizers. The invention provides a multifunctional water-soluble fertilizer. The multifunctional water-soluble fertilizer is prepared from the following raw materials in parts by weight: 5-15 parts of potassium polysulfide, 10-20 parts of potassium silicate, 20-40 parts of sulfonated potassium humate and 5-10 parts of trace element chelate, the trace element chelate is a chelate formed by at least three of zinc, manganese, molybdenum, iron and copper and amino acid or EDTA (Ethylene Diamine Tetraacetic Acid). The multifunctional water-soluble fertilizer disclosed by the invention can effectively improve the pH value of rhizosphere soil, slowly release H2S gas signal molecules to excite the resistance of a crop system, remarkably promote root development, enhance the drought resistance and salt and alkali resistance of crops, improve the utilization rate of the fertilizer and realize yield increase and quality improvement.

The invention relates to a synthetic aperture radar-based automatic rice mapping method and device and a medium, and the method comprises the steps: carrying out the filtering of Sentinel-1 VH time series data, carrying out the object-oriented segmentation in combination with a cloudless Sentinel-2 image, and generating land parcel objects; a VH time sequence curve of each object is extracted, local extreme points are identified, and local phenological features are calculated; meanwhile, calculating the global morphological similarity between the rice template and the rice template, and fusing local and global features to obtain a PRSI index through multiplication combination; and finally, automatically distinguishing rice types by adopting a decision tree classifier according to the PRSI value, and generating a spatial distribution diagram. The method does not depend on optical images or a large number of samples, is suitable for cloudy and rainy areas with scarce samples and complex planting systems, and has high cross-regional applicability and robustness.

The invention provides a high-density corn drip irrigation cultivation method and system, and belongs to the technical field of agricultural planting. According to the method, a 40cm + 70cm wide-narrow row planting mode is adopted, and a drip irrigation tape arrangement mode of one pipe and one row is adopted, namely, each row of corn is independently provided with one drip irrigation tape; the planting density is not lower than 8000 plants per mu. The system comprises a plurality of drip irrigation belts arranged in a '40cm + 70cm 'wide-narrow row planting field, and each row of corn is correspondingly provided with an independent drip irrigation belt. The high-density corn drip irrigation cultivation method does not need to change the existing wide-narrow row planting system, shortens the water and fertilizer moving distance, improves the water and fertilizer utilization efficiency, is easy to integrate and popularize on the existing high-standard farmland, and has huge application potential.

The invention discloses a method for evaluating the phosphorus loss risk of different crop systems in a plateau basin, and the method comprises the following steps: S1, obtaining source factor evaluation indexes of a target region: phosphorus surplus and soil total phosphorus, and migration factor evaluation indexes: surface runoff depth, soil erosion modulus, distance from the target region to a river, and distance from the target region to a target water body; s2, evaluating a phosphorus loss risk through the phosphorus index; the calculation formula of the phosphorus index is shown in the specification; pI represents a phosphorus loss risk index, Si and Wi are respectively a risk value and a weight corresponding to the source factor evaluation index, and Tj and Wj are respectively a risk value and a weight corresponding to the migration factor evaluation index. According to the method, phosphorus surplus in crop production is used as a source factor instead of phosphorus input commonly used in previous research, the method is better used for drainage basin non-point source phosphorus loss risk evaluation, and a phosphorus index evaluation system for the southern plateau agricultural drainage basin in China is established.

The new and distinct variety of olive tree variety ‘I 25’ is provided. The variety can be distinguished by its outstanding features of high oil content, early bearing, and adaptation to hedgerow crop system.

The invention discloses a rice growing season remote sensing extraction method based on time sequence bidirectional detection. The method comprises the steps of constructing a remote sensing index time sequence data set, judging an effective planting season and a planting system, extracting a planting season and growing season starting period SOS, identifying a rice season and extracting rice growing season key parameters. According to the method, the rice season can be accurately identified under the condition of a complex planting system, and the high-precision rice key phenological period is obtained. Compared with a traditional remote sensing method, the method can accurately identify the crop planting system of the research area, and the extraction precision of the rice season and the key phenological period thereof is higher. In addition, the method can achieve cross-scale migration, is high in universality, is suitable for rice crops in other research areas, and accurately monitors the growth and development process of the rice crops and extracts the key phenological period of the rice by accurately recognizing pixels containing rice planting and rice seasons of the pixels.

The application discloses a kind of interplanting reduced nitrogen application methods for promoting rape straw decomposition, belong to agricultural technology field.The high degree of lignification of summer soybean-summer corn strip intercropping under the previous rape straw in the multi-cropping system dry farmland of Yangtze River Basin, slow decomposition, high nitrogen input, low utilization rate problem, the present application utilizes the characteristics that soybean corn intercropping can accelerate straw decomposition, rape straw full amount rotary tillage is returned to field, corn and soybean are strip intercropped according to 4:2 row number ratio, corn band, soybean band nitrogen distribution ratio 3:1, total nitrogen input 150~210 kg / ha.The present application significantly speeds up the decomposition of rape straw by reducing precise zoned nitrogen application, the cumulative decomposition amount is increased by more than 11% compared with conventional nitrogen application and soybean monoculture;Promote cellulose, hemicellulose degradation and soil organic carbon accumulation, enrichment of microorganisms that promote decomposition.The present application can reduce nitrogen input, realize soybean and corn synergistic yield, achieve the synergistic effect of promoting decomposition, saving fertilizer and increasing efficiency.

The invention provides an earthworm and rice co-cropping system and method, and belongs to the technical field of ecological agriculture. The co-culture system comprises an earthworm bed, a rice planting area and a water circulation system, the rice planting area comprises a hydroponic pipe arranged above the earthworm bed, a water inlet and a water outlet are formed in the hydroponic pipe, and a rice planting position is further arranged on the hydroponic pipe. The water circulation system comprises a filter tank and a water storage tank, the filter tank is used for producing earthworm excrement filtered water, a water outlet of the filter tank is communicated with the water storage tank, and a water outlet of the water storage tank is communicated with the hydroponic pipe. According to the system, on one hand, the hydroponic rice can be used for shielding sunlight for the earthworm bed, a microclimate area formed below the hydroponic rice can help earthworm reproduction, dead leaves and male flowers of the rice can serve as bait of the earthworms after pollination and falling off, and therefore the growth speed of the earthworms is increased; on the other hand, wormcast in the earthworm bed can be placed in the filter tank to be filtered to obtain wormcast liquid, the wormcast liquid is used for providing nutrients for rice to promote rice growth, and the grain yield is increased.

Disclosed in some examples are methods, systems, computing devices, and machine readable mediums that provide for cropping systems that automatically crop digital images using one or more smart cropping techniques. Smart cropping techniques may include: cropping an image based upon emotion detection, cropping based upon facial recognition and matching, and cropping based upon landmark matching. In some examples, a single smart cropping technique may be utilized. In other examples, a combination of the smart cropping techniques may be utilized.

The invention belongs to the technical field of agricultural environmental pollution control and ecological restoration, and discloses a method for blocking and controlling an intercropping farmland soil antibiotic drug-resistant gene by using a functionalized biomimetic mineralization slow-release material and application, and the method comprises the following steps: uniformly spreading the functionalized biomimetic mineralization slow-release material on the surface of soil according to the dosage of 100-5000 kg / hm < 2 >, ploughing and turning into a soil layer through a rotary cultivator, so that the material and the soil are fully and uniformly mixed; an intercropping planting mode is adopted, two or more crops with complementary ecological niches are selected to be planted in a combined mode, and resistance and control over the antibiotic resistance genes of the farmland soil are achieved. The material disclosed by the invention is stable in structure and good in environmental compatibility, and after the material is applied to soil, migration and propagation of a livestock and poultry manure source ARGs in a soil-crop system can be synergistically prevented, controlled and efficiently reduced through multiple mechanisms such as adsorption, microbial competition and physical barrier; the invention provides a new material and technical approach for realizing agricultural waste recycling and farmland ARGs pollution treatment.

The utility model provides a kind of crop straw crushing and returning to field device and the harvester of applying the device, the returning to field device is installed in the rear tail of harvester, and straw processing mode can be switched quickly.The device includes shell assembly and crushing assembly, the movable flap lower end of shell assembly is hinged to the lower part of base shell front side by pin shaft, and the opening and closing of feed channel is adjusted and controlled by angular displacement.When straw needs to be processed away from field, movable flap rotates clockwise, and abuts against the rear side plate of base shell, feed channel is closed, and straw slides along the U-shaped groove to fall into field;When it needs to be returned to field, movable flap rotates counterclockwise to preset position, forming a gradually broadening feed section, and straw is thrown into field after being crushed by crushing assembly.Application of the device to the harvester enables farmers to make independent and flexible decisions on the destination of straw based on soil characteristics, policy guidance, cost and benefit, and planting system, thereby improving the utilization rate of straw resources and the flexibility of agricultural operations.

Crop modeling methods can be used for mapping temporal and spatial stability and sustainability of a cropping system. In some methods, remote sensing imagery over multiple time series elements (such as for past growing seasons) is used to characterize small-scale field stability and variability relative to larger surrounding land areas. In some methods, remote sensing imagery over multiple time series elements (such as for the growing season) is used to characterize small-scale field stability and variability relative to larger surrounding land areas. In some methods, a crop model is used to determine dependent cropping system parameters related to agricultural sustainability, which can be used to characterize small-scale field sustainability scores for such parameters relative to larger surrounding land areas. Such stability and sustainability maps can inform crop management activities for fields in the larger land areas and on the smaller scales, for example using crop models to determine such crop management activities to improve crop productivity, improve economic productivity, and / or reduce adverse environmental impact for the field as a whole and / or sub-regions thereof.

The invention relates to a carbon flux response-based extreme temperature adaptability farming system optimization method, which comprises the following steps of: establishing a carbon flux continuous observation system in a target farmland, and acquiring data; processing the collected data through a data quality control process, and constructing a comprehensive database; based on the comprehensive database, identifying an extreme temperature event of the target farmland and a corresponding carbon flux response rule, and obtaining the influence of different farming management measures on the farmland through a multi-factor field contrast test; constructing a multi-objective optimization function and multiple constraint conditions thereof; an intelligent optimization algorithm is adopted to solve the multi-objective optimization function, an optimal cultivation system is obtained, and the optimal cultivation system comprises an optimal cultivation processing mode, a planting system, a land surface covering mode and a water and fertilizer management mode under different climate scenes and production conditions. Compared with the prior art, the method has the advantages that adaptive cultivation system optimization is realized, and the toughness of a farmland ecosystem to cope with extreme climate events is improved.

This invention discloses a method and system for measuring soil microbial nitrogen pumps, belonging to the field of soil biogeochemistry and agricultural ecological environment monitoring technology. The method involves applying nitrogen to a soil-crop system... 15 N-labeled nitrogen fertilizer, combined with in-situ closed sampling, membrane sample mass spectrometry (MIMS) detection, and amino sugar compound specificity. 15 This invention analyzes nitrogen emissions, simultaneously measuring the fluxes and isotopic characteristics of N2 emissions, NH3 volatilization, and N2O emissions, as well as nitrogen uptake by plants, residual nitrogen in the soil, and nitrogen fixed by microorganisms. Finally, it constructs a microbial nitrogen pump efficiency (MNUE) index to characterize the intensity and efficiency of soil microbial nitrogen pumps. This invention enables comprehensive accounting of multiple nitrogen fluxes under near-real-field conditions, accurately distinguishing the contributions of fertilizer-source and soil-source nitrogen to gaseous nitrogen emissions. It is applicable to anaerobic ecosystems such as flooded paddy fields and wetlands, providing a systematic and operable technical solution for the quantitative study of soil microbial nitrogen pumps.

Systems, methods, and devices for irrigating a growing crop by hydroponic means, in particular a hydroponic system and a reusable growing plug. In a first aspect there is provided a hydroponic system comprising a growing frame with a rotating portion. The rotating portion further comprises a spiral conduit. The spiral conduit comprises a plurality of apertures for receiving the growing crop. The spiral conduit is configured for receiving fluid and further comprises an opening for receiving the fluid into the spiral, such that in use rotation of the spiral conduit feeds the fluid around the conduit towards the centre of the spiral and past the plurality of apertures for receiving the growing crop. In a second aspect there is provided a reusable growing plug, for use in hydroponic systems, wherein at least a portion of the growing plug is flexible and comprises a first surface, a second surface and at least one aperture extending through the first and second surface for receiving a growing crop. The growing plug further comprises a plurality of prongs, coupled to the second surface. The growing plug has a first configuration and a second configuration, wherein in the first configuration the plurality of prongs are brought together relative to the second configuration; and in the second configuration the plurality of prongs are separated relative to the first configuration.

Systems and methods for monitoring crops are disclosed. This disclosure relates to a system for monitoring crops, the system comprising a first support frame, the support frame comprising a first sensor rack coupled to the first support frame, the first sensor rack comprising a first sensor module; a movement module, the movement module comprising a first sensor rack motor, wherein the first sensor rack motor is configured to move the first sensor rack along the first support frame from a first starting location to a first ending location; and a hyperspectral module, wherein the first sensor module is coupled to the hyperspectral module.

The invention provides a method for evaluating carbon sequestration and sink increase of farmland soil carbon reservoirs with different planting systems in coastal saline-alkali soil. A coastal saline-alkali land farmland soil carbon reservoir carbon sequestration and sink increase evaluation method comprises the following steps: S1, early-stage preparation: S11, sampling area delimiting; s12, preparing a tool; s13, sampling the soil; s14, obtaining soil attribute data; s15, obtaining soil carbon component data; s2, evaluation process: S21, establishment of an evaluation index system; s22, determining a weight; s23, determining a membership degree; s24, calculating a soil carbon library grade comprehensive index; s25, determining a grade division index; s26, re-checking is carried out; s27, performing field verification; and S28, optimizing the evaluation method. The method provided by the invention has the advantages that a multi-dimensional index system and a dynamic optimization mechanism are provided, the soil carbon sequestration capability is scientifically quantified, and a standardized and verifiable technical support can be provided for precise carbon sequestration management of the farmland.

The invention discloses a soil-crop emission greenhouse gas collection system and a collection method, and relates to the technical field of gas collection. The soil-crop emission greenhouse gas collection system comprises a first gas collection box, a second gas collection box and a gas collection assembly, a hollow cabin is nested in a first base of the first gas collection box, the hollow cabin is provided with a lower cavity penetrating in the vertical direction, a first box cover is provided with an upper cavity penetrating in the vertical direction, and the upper cavity and the lower cavity are correspondingly communicated to form a channel for crop plant growth; gas collection assemblies are arranged on the outer sides of the first gas collection box and the second gas collection box respectively and are used for collecting gas in the corresponding first gas cavity and the second gas cavity. According to the invention, the data of the greenhouse gases emitted by the soil-crop system can be obtained, the greenhouse gases emitted by the soil and crops can be distinguished, and the pertinence and accuracy of the data are improved.

A cropping system for cropping a metal slab (102) includes at least one of a cropping length (1035, 524) system and a slab positioning system. The cropping length (1035, 524) system includes an optical sensor (118A, 118B, 318A, 318B, 518) for detecting a defect in an end (1031) of the metal slab (102), and the cropping length (1035, 524) system may determine a cropping location on the metal slab (102) based on the detected defect. The slab positioning system includes an optical sensor (118A, 118B, 318A, 318B, 518) for measuring a position of the end (1031) of the metal slab (102) relative to a cropping device of the cropping system.