25 results about "Preharvest" patented technology

A crop loss monitoring method includes detecting crop loss in a measurement area, the measurement area corresponding to an unharvested area of a field. The method further includes identifying a pre-harvest crop loss value based on the crop loss detected in the measurement area. The method further includes generating one or more control signals based on the pre-harvesting crop loss value.

The invention belongs to the technical field of plant genetic engineering, particularly relates to application of a transcription factor CitNAC71 in regulation and control of synthesis of citrus withered water and juice sac secondary walls, and discloses application of the transcription factor CitNAC71 or a biological material for regulating and controlling expression of the transcription factor CitNAC71 in regulation and control of synthesis of citrus withered water and / or secondary walls, and the amino acid sequence of the transcription factor CitNAC71 is shown as SEQ ID NO: 1. The invention discovers that the gene expression level of the coding gene CitNAC71 of the transcription factor CitNAC71 has a significant negative correlation trend with the juice cell withering degree and the cellulose and hemicellulose content, and experiments prove that the CitNAC71 is a conservative fruit hardness regulation factor. The invention lays a theoretical foundation for preventing and controlling the occurrence of dry water before and after the harvesting of the citrus, and provides a potential target for improving the texture of the citrus fruit by a genetic engineering technology.

This invention relates to the technical field of cultivation devices, specifically a cultivation device for sugar beets, comprising a cultivation box and several telescopic pots evenly distributed thereon. The top of each telescopic pot is fixed to the cultivation box, and the bottom is connected to a lifting plate. A lifting rod drives the lifting plate to move up and down, thus extending and retracting the pot. A ring-shaped storage basin is located around the top of the telescopic pot, and its inner cavity automatically replenishes soil into the extended pot via a soil conveying assembly. Several loosening pipes with air holes are rotatably connected to the bottom of the inner cavity of the telescopic pot, respectively connected to an air conveying assembly and a rotating assembly, for loosening the soil by blowing air before harvesting. A liquid inlet pipe assembly is located above the telescopic pot, delivering nutrient solution and humidifying solution to the telescopic pot and the ring-shaped storage basin, respectively. This invention dynamically matches the growth space of the sugar beet roots by using telescopic pots, combined with automatic soil replenishment and pneumatic soil loosening and removal structures, achieving adjustable cultivation depth and complete root harvesting, significantly improving sugar beet quality and harvesting convenience.

The invention relates to the technical field of agricultural planting, in particular to a cold-region-based rice super-high-yield cultivation method and system, and the method comprises the steps: carrying out plowing operation, rotary tillage operation and drought leveling operation after previous-crop rice is harvested to obtain a drought-leveled rice field; in a pre-period of a preset rice transplanting date, performing water drainage and field steeping operation on the dry and flat rice field to obtain a rice field, and performing weeding operation on the rice field with a stable water layer to obtain a weeding rice field; performing water control operation on the weeding rice field to obtain a water depth controlled rice field; the water depth-controlled rice field is subjected to synchronous operation of rice transplanting and fertilization to obtain a straight rice field, the fertilization operation comprises simultaneous fertilization by using pre-constructed special fertilizer, ear fertilizer and potassium sulfate, 20-25 kg of the special fertilizer is applied per mu, 2 kg of the ear fertilizer is applied per mu, and 3 kg of the potassium sulfate is applied per mu; and intermittent irrigation operation based on shallow water, wet land and dry land is carried out on the straight rice field until the rice is mature. The method can improve the yield of rice planting in the cold region.

To provide a combine harvester capable of reducing the frequency of the maintenance work of a cutting device by suppressing the collision of the front part of the cutting device with soil formed on the projecting part of a field.SOLUTION: The reaping and pre-processing device includes a raking device for conveying grain culms in a field rearward while erecting the grain culms, a cutter for cutting plant roots of the conveyed grain culms, an auger device for gathering the conveyed grain culms to one side, and a feeder-house side 3D for conveying the gathered grain culms to a thresher. The cutting device is formed of a pair of left and right rotary blade devices and a conveying device disposed above the rotary blade devices, a rear portion of a frame 21 supporting rotary blades of the rotary blade devices and extending in a front-rear direction is rotatably fixed to a support shaft, a detected portion extending rearward from the support shaft is formed at the rear portion of the frame, and a swing angle of the detected portion is measured by a sensor mounted on an auger frame 60.SELECTED DRAWING: Figure 5

This invention proposes a combine harvester that prevents deformation of the lifter, which extends in the front-to-back direction to pick up the grain stalks collected by the raking device, and suppresses the accumulation of collected grain stalks that become entangled at the rear of the lifter. [Solution] The pre-harvesting processing device consists of a scraping device that scrapes and conveys grain stalks backward while keeping them upright, a cutting device that cuts the base of the conveyed grain stalks, an auger device (3C) that gathers the conveyed grain stalks to one side, and a feeder house that conveys the gathered grain stalks to a threshing device. The cutting device is formed by a pair of left and right rotating blade devices and a lifter device positioned above the rotating blade devices. Above the rotating blades (22) of the rotating blade devices, a pair of left and right lifters (31) extending in the front-rear direction of the lifter device and a connecting member (35) extending in the front-rear direction that supports the lower part of the lifters are positioned. The rear part of the connecting member is rotatably fixed to a support shaft (37) extending in the left-right direction provided on the lower wall of the auger frame (60) of the auger device.

A crop loss monitoring procedure involves detecting crop loss within a measurement area when that area corresponds to an unharvested portion of a field, and generating crop loss sensor data pre-harvest based on this detection. The procedure further involves detecting crop loss within the measurement area when that area is located behind a remote end of a harvester header, and generating crop loss sensor data during harvest based on this detection.The procedure further includes identifying a crop loss value before harvest based on the crop loss sensor data before harvest, identifying a crop loss value at harvest based on the crop loss sensor data at harvest and the crop loss value before harvest, and generating one or more control signals based on at least one of the crop loss value before harvest or the crop loss value at harvest.

This invention provides a flexible clamping and pulling potato vine removal machine unit before harvesting. Its features include: a flexible clamping and pulling device with a flexible frame mounted on the machine frame; a flexible adjustment cylinder of a flexible adjustment component hinged at one end to the flexible frame and at the other end to a flexible adjustment beam; flexible clamping rollers and flexible reversing rollers of the flexible clamping and pulling component supported on the flexible clamping and pulling frame, with clamping belts hanging on them and tensioned by a wave-forming component; two flexible clamping and pulling components symmetrically supported on the flexible adjustment beam; and a belt-type straightening device with belt-type straightening rollers and belt reversing rollers supported on a belt-type straightening frame, with straightening belts hanging on them and tensioned by a belt-pressing component; two belt-type straightening components symmetrically installed within a rectangular frame of the straightening frame, with a guide plate mounted above; and a belt-type straightening device installed on the flexible frame of the flexible clamping and pulling device near the flexible reversing roller of the flexible clamping and pulling component. This invention provides smooth straightening, gentle clamping and pulling, and does not damage the potatoes.

To reduce the frequency of maintenance work of a rotary blade by suppressing the collision of the rotary blade with a field surface.SOLUTION: A reaping and pre-processing device 3 is composed of a raking device 3A for raking crops of a field backward while erecting the crops, a rotary blade 22 for cutting roots of the raked crops, an auger device 3C for gathering the cut crops to one side, and a feeder-house 3D for conveying the gathered crops to a thresher 4, and a support shaft 25 extending in a lateral direction is provided on a lower wall of an auger frame 60 of the auger device 3C. A guide guide 31 for picking up and guiding a crop is arranged above a rotary blade 22, the rear part of a frame 21 extending in the longitudinal direction for supporting the rotary blade 22 is rotatably attached to a spindle 25, the uneven state of a field surface is reflected on the frame 21 to vertically rotate the frame 21, a part to be detected 2 is formed on the rear part of the frame 21 extending backward from the spindle 25, the swing angle of the part to be detected 2 is measured by a sensor 2 mounted on an auger frame 60, and the reaping pretreatment device 3 is lifted and lowered based on the measured value of the sensor 2.SELECTED DRAWING: Figure 7

The application discloses a method for annual efficient production of centipedegrass seedling, which comprises the following steps: building a multi-layered culture shelf, preparing a seedbed, sowing seedlings, managing a rooting stage, managing a seedling forming stage, pre-harvest management, harvesting seedlings, and post-harvest management. According to the technical scheme, the centipedegrass seedlings can be rapidly propagated under the precise environment control of temperature and light by building a multi-layered shelf indoors, and the seedlings can be harvested 6-8 times per year after one-time planting, so that the annual efficient production of the centipedegrass seedlings is realized, sufficient seedling materials are provided for national land greening, sports field lawn planting and ecological restoration, and remarkable economic benefits are achieved.

[0009] Disclosed herein are systems and methods for identifying pre-harvest latent infection in plants. In one aspect, the method can include operations of obtaining data describing expression levels of one or more biomarkers present in a plant, encoding the obtained data into a data structure for input to a machine learning model, providing, by one or more computers, the encoded data structure as input to a machine learning model trained to generate output data indicative of the likelihood that the plant has a latent infection based on processing the encoded data structure, obtaining the generated output data indicative of the likelihood that the plant has a latent infection, determining that the plant has a latent infection based on the generated output data, and performing one or more actions to mitigate the infection in the plant.

The present invention relates to methods for producing high value products (HVPs) by culturing algae in land-based mariculture using a 'hurry up and wait' approach to algal cultivation, in which growth rates are maximised upstream for maximum throughput and decreased quickly via intensive stressing before harvest. The invention also relates to a 'split pond' approach, in which the pond train becomes non-linear to facilitate the 'hurry up and wait' approach, with a maximal increase in light stress pre-harvest.

An edible coating composition, relating to the field of natural biofilms for use as a plant biostimulant, in the form of an oil in water (O / W) emulsion and its use as a biostimulant for pre-harvest agricultural crops or cultivation plants selected from the list including cereals, fruits, vegetables, flowers, trees, grass and seeds.

The invention discloses a breeding method of pre-harvest sprouting-resistant rice, which comprises the following steps of: hybridizing a pre-harvest sprouting-resistant germplasm resource serving as a female parent and a variety which is large in popularization area and has popularization potential in current production and serves as a male parent to construct a hybrid combination F1; carrying out preliminary screening on progeny materials of preharvest-resistant sprouting germplasm resources, and carrying out field seed selection in the F2 population after water spraying treatment; f3-F5 generations and generation adding are stable, and the growth period is classified; and in a temperature-controllable multi-span greenhouse, simulating plum rain weather through an unmanned aerial vehicle, and performing large-scale and high-repeatability pre-harvest sprouting resistance final identification on the stable strain. And finally screening resistant strains by taking the ear germination rate lower than that of the same-period contrast as a standard. According to the method, the uncontrollable pre-harvest sprouting identification environment is changed into the controllable pre-harvest sprouting identification environment, the technical problems that an existing method is poor in repeatability and disjointed with the actual situation are solved, the method has the advantages of being accurate in identification result, high in efficiency and good in repeatability, and reliable technical support is provided for efficient breeding of new pre-harvest sprouting resistant rice varieties.

The application discloses a grain crop harvesting progress monitoring method, device, equipment and medium, and relates to the technical field of agricultural remote sensing monitoring. The method comprises the following steps: acquiring grain crop type distribution map data and multispectral remote sensing image data of a preset number of days before harvesting, calculating a red band depth index and a ground water content index, and calculating reference reflectivity of an unharvested field; during harvesting, acquiring multispectral remote sensing image data of a current time to be monitored, calculating a difference between red light and short-wave infrared band reflectivity of each to-be-monitored pixel of the multispectral remote sensing image data and reference reflectivity of the unharvested field, and obtaining a harvesting index; based on the harvesting index, a parameter intersection point of a double-cluster Gaussian mixture model is fitted to obtain an optimal threshold value; finally, a harvesting state is judged according to the harvesting index and the optimal threshold value, and a monitoring result is obtained. The application realizes large-range and near-real-time grain crop harvesting progress monitoring, and improves monitoring efficiency and accuracy.

The invention relates to the technical field of crop disaster estimation, in particular to a construction method of a winter wheat maturing and harvesting period continuous rain disaster pre-harvest germination evaluation model. The method comprises the following steps: collecting continuous rainy weather disaster index parameters; calculating characteristic characterization values of the continuous rainy weather factors; calculating a normalized characteristic representation value of the comprehensive meteorological factor; acquiring ear germination rate data parameters; calculating the characteristic characterization value of the ear germination rate; calculating a spike germination rate change characteristic characterization value; calculating a weight coefficient characteristic representation value; constructing a winter wheat maturing and harvesting period continuous rain disaster ear germination rate evaluation model, and verifying the evaluation model to determine the accuracy of the evaluation model. The method provides a scientific basis for reducing the pre-harvest sprouting risk of the winter wheat in the mature harvest period and formulating management measures in the harvest period.

A formulation for applying to vegetation is provided, wherein the formulation comprises at least one sugar or sugar substitute and at least one spreader adjuvant, wherein the spreader adjuvant comprises a silicone surfactant. Also provided is a method of killing or controlling the growth of weeds, comprising applying the formulation of the invention to the weed, or a method of pre-harvest crop desiccation, comprising applying the formulation of invention to the crop, optionally to a haulm of the crop. The formulation may be provided as a kit of parts, wherein the kit comprises the sugar or sugar substitute and the spreader adjuvant. A method of preparing the formulation is provided, comprising the step of mixing the sugar or sugar substitute and the spreader adjuvant.

The invention discloses application of a rice OsCK1a.1 gene in regulation and control of seed dormancy and pre-harvest germination resistance, and belongs to the technical field of plant genetic engineering. In order to realize rice pre-harvest sprouting resistance breeding, a knockout vector aiming at the gene is constructed by taking the OsCK1a.1 gene as a target spot and utilizing a CRISPR / Cas9 gene editing technology, and the rice is successfully transformed, so that a homozygous mutant plant with the OsCK1a.1 gene knockout is obtained. Experimental results show that compared with a control group, the seed dormancy level of homozygous mutants of different mutation types is remarkably enhanced, and the pre-harvest sprouting resistance is substantially improved. Therefore, by knocking out the OsCK1a.1 gene, an effective method for creating a new preharvest sprouting resistant rice variety is provided, and the method has important application value for guaranteeing high and stable yield of rice.

To provide a general-purpose combine in which grain culm is harvested and delivered into a thresher device by a feeder house, the combine being able to efficiently perform a harvest work by eliminating an unnecessary downtime by checking a ballast level in a ballast storage box provided below the feeder house while continuing the harvest work by an operator who operates the machine body.SOLUTION: There is provided a general-purpose combine for delivering the grain culm harvested by a harvest pre-treatment device 3 provided in front of a machine body frame 1 into a thresher device 4 through a feeder house 3D with a side part of an operation part 5, the general-purpose combine allowing an operator seated on an operator's seat 5A of the operation part 5 to check an inside of a ballast storage box 20 provided on a bottom of the feeder house 3D.SELECTED DRAWING: Figure 3

The application discloses a kind of preharvest grape fruit illumination device and its application, belong to fruit illumination technical field.The illumination device includes dark room and is located on the light source and environmental sensor of dark room inner wall, the dark room includes the frame of being set in the periphery of grape bunch and the light shield of being set on the frame, the bottom of the frame is equipped with exhaust fan, top is equipped with the through-hole for grape bunch to extend into and the fixing member for being fixedly connected with grape cultivation shed frame.The application uses dark room to carry out illumination treatment to single fruit, is conducive to the influence of quality formation that illumination acts on fruit itself is clearly distinguished;The light quality, light intensity of light source can be replaced according to illumination treatment needs, meet different illumination treatment needs;Exhaust fan is arranged at the bottom of dark room, ensure that the temperature and humidity of inside and outside of dark room are consistent;Environmental sensor can record the environmental parameter inside dark room in real time, provide basis for the specific parameter of illumination treatment, is conducive to subsequent data analysis.

The present invention relates to methods for producing high value products (HVPs) by culturing algae in land-based mariculture using a 'hurry up and wait' approach to algal cultivation, in which growth rates are maximised upstream for maximum throughput and decreased quickly via intensive stressing before harvest. The invention also relates to a 'split pond' approach, in which the pond train becomes non-linear to facilitate the 'hurry up and wait' approach, with a maximal increase in light stress pre-harvest.

The invention discloses a grain crop harvesting progress monitoring method, device, equipment and medium, and relates to the technical field of agricultural remote sensing monitoring, and the method comprises the steps: obtaining grain crop type distribution diagram data and multispectral remote sensing image data of a preset number of days before harvesting, calculating a red band depth index and a surface water index, the reference reflectivity of the field parcels is not harvested; during harvesting, acquiring multispectral remote sensing image data to be monitored at the current moment, and performing difference operation on the red light and short wave infrared band reflectivity of each pixel to be monitored and the reference reflectivity of the corresponding unharvested field to obtain a harvesting index; fitting a parameter intersection point through a double-cluster Gaussian mixture model based on the harvest index to obtain an optimal threshold value; and finally, judging a harvesting state according to the harvesting index and an optimal threshold value to obtain a monitoring result. According to the invention, large-range and near-real-time grain crop harvesting progress monitoring is realized, and the monitoring efficiency and accuracy are improved.

The invention belongs to the field of agriculture, and particularly discloses a winter rye and sunflower crop rotation method based on a Coilexin sandy land, which comprises the following steps: S1, sowing winter rye in the Coilexin sandy land 40-60 days before the wintering period; s2, 20-30 days before the winter rye is harvested, sunflower seedlings are raised by adopting a seedling raising substrate; s3, when the winter rye enters a complete ripening stage, harvesting grains and straws, and removing the grains and the straws out of the Coerquin sandy land plot after high stubbles are left; s4, after the winter rye is harvested, performing rotary tillage, soil preparation and ridging on the Kilexin sand land parcel immediately, and transplanting the robust sunflower seedlings with lumps to ridges to complete transplanting; s5, timely harvesting after the robust sunflower seedlings are mature; through annual crop rotation of the winter rye and the sunflowers, double cropping of the sand land in one year is achieved, and grain and oil supply and farmer income increase are both considered; soil nutrient imbalance caused by continuous cropping of a single crop is avoided through crop rotation, and after the winter rye is harvested, high straw stubble can reduce the wind erosion modulus and reduce the wind erosion amount.

A crop loss monitoring method comprises detecting crop loss within a measurement area, where the measurement area corresponds to an unharvested portion of a field. The method further comprises identifying a pre-harvest crop loss value based on the crop loss detected within the measurement area. The method also includes generating one or more control signals based on the pre-harvest crop loss value.

The application discloses a method for reducing rice antimony accumulation by using exogenous soluble organic matter, and relates to the field of agricultural environment remediation, and comprises the following steps: S1, selecting at least one of livestock and poultry manure source organic material or crop straw source organic material as raw material, adding ultrapure water according to a solid-liquid ratio of 1:5-1:20, oscillating and extracting for 12-48 hours under the condition of 15-35 DEG C, taking supernatant by centrifugation, filtering through a 0.45 mu m microporous filter membrane, and obtaining a filter solution as an exogenous soluble organic matter solution; S2, applying the exogenous soluble organic matter solution into antimony-polluted paddy soil, and the application amount of the exogenous soluble organic matter is 0.01%-0.5% of soil dry weight in terms of dissolved organic carbon; and S3, maintaining a waterlogged layer of 1-5 cm in the field during the whole growth period of rice, and draining and drying the field before harvesting. The application realizes green remediation of antimony-polluted paddy fields and safe production of rice by using agricultural waste resource products.