32 results about "Field corn" patented technology

A composition comprising an effective amount of GA4/7 (gibberellin 4 and gibberellin 7) or GA3 (gibberellic acid) and 6BA (benzyladenine) is used as a seed treatment on sweet and field corn (Zea mays) to accelerate plant establishment and to promote low temperature germination and emergence.

The invention relates to a field corn stalk in-situ silage quantitative-block processing and production device, and belongs to the technical field of feed science. The device is composed of a gathering jaw (1), a cutting machine (2), an adjustable supporting wheel (3), a supporting frame (4), a crushing treatment machine (5), a stalk collecting rod (6), a supporting wheel (7), an eject-falling block (9), a machine connecting ring (10) and a cutting rack (11), and characterized in that an arc-shaped base of the gathering jaw (1) is provided with a blade of the cutting machine (2), corn stalks are gathered to the blade of the cutting machine (2) by using the gathering jaw (1), and are cut off by the blade, then under the action of the stalk collecting rod (6), the corn stalks are pushed to astalk swallowing port (39) and subjected to bag filling, compaction, sealing and other treatments in the crushing treatment machine (5) to form block-shaped mixed material blocks, placement is conducted, with the help of fermentation of lactic acid bacteria, silage blocks are produced, and the purpose of immediate treatment and immediate processing is achieved. The device is simple in production,high in operability, low in cost and obvious in effect.

The invention discloses an automatic detection method of corn tassel traits. The method comprises the following steps: performing target detection on an acquired farmland corn bottom view image at first to generate a tassel candidate frame to acquire a tassel potential area; subsequently, performing feature description and target detection on the tassel by utilizing a multi-view image characteristic and a Fisher vector coding method so as to confirm an affiliated area of the tassel; further completing the segmentation on tassel fine forms by utilizing semantic segmentation based on a detection result; finally establishing a mapping relation of the image characteristic and seven biomasses, such as length trait, width trait, perimeter trait, diameter trait, tassel color trait, branch quantity trait and total tassel quantity trait which have the physical significance. According to the method, the growth state of the corn tassel can be continuously monitored in real time, so that the detection result is high in correction rate, and the method has the great significance in corn reproductive growth research, corn genomics and genetics research and yield estimation.

The invention relates to a cultivation method of corn with stubbles and covering crops, in particular to a cultivation method of the corn and the covering crops. The method solves the problems that in arid and semi-arid cold areas, normal growth of the corn cannot be guaranteed with an existing corn and covering crop cultivation method and the biological yield of the covering crops is low. The method comprises the following steps: 1, harvesting field corn and reserving the stubbles; 2, conducting sowing in spring of the next year; and 3, carrying out field management. According to the invention, the growth time of the covering crops is prolonged, so that the biological yield of the covering crops is increased; and the corn stubbles and residual bodies of the covering crops are returned to the field, the organic matter content of soil can be increased, and the soil is protected. The method is particularly suitable for being applied to the arid and semi-arid cold areas, normal growth of the corn is fully guaranteed, meanwhile, the growth period of the covering crops is prolonged, and the biological yield of the covering crops is increased. According to the method, the original corn stubbles are reserved in the field, so that the soil disturbance is small, and the soil moisture conservation effect is achieved in spring.

The invention relates to a control method used for a self-propelled thermal atomizing machine and solves the problem that manpower is needed for on-site operation during working of a thermal atomizing machine in the prior art. The control method includes that the self-propelled thermal atomizing machine controls sending of instructions, a handle is operated and controlled to send a thermal atomizing machine control instruction to a main controller, and the main controller sends the thermal atomizing machine control instruction out from a data antenna A; the thermal atomizing machine control instruction is executed, a data antenna B receives the thermal atomizing machine control instruction sent out by the data antenna A and transmits the same to an auxiliary controller, the auxiliary controller analyzes the thermal atomizing machine control instruction and then sends the same to a relay control module, and the relay control module controls an electromagnetic valve A, an electromagnetic valve B and an electromagnetic valve C according to the instruction. By the control method, manpower does not need to go into the fields for working, so that damage to human bodies due to thermal atomizing work is reduced; the control method is suitable for disease and pest control of field corn, so that labor intensity is lowered, pesticide applying efficiency and control effect are improved, and pollution is reduced.

The present invention can provide a method having superior safety for protecting field corn from damage by a plant pathogen. The method includes a step of applying mefentrifluconazole to foliage of field corn, seeds of field corn or a soil of the cultivation area of field corn, wherein the application rate of mefentrifluconazole is 20 to 500 g per hectare of cultivation area.

The invention relates to a mixing compound fertilizer special for corn capable of slowly releasing urea formaldehyde. The mixing compound fertilizer comprises the following components in parts by weight: 160-220 parts of urea formaldehyde fertilizer, 180-250 parts of common urea, 250-450 parts of calcium superphosphate, 200-350 parts of potassium sulfate fertilizer, 50-100 parts of magnesium sulfate fertilizer, 2-3 parts of zinc sulfate fertilizer and 2-3 parts of borax fertilizer. In the mixing compound fertilizer, the urea formaldehyde nitrogen is 40%-50% of the total nitrogen application rate; once the fertilizer is applied as a base fertilizer, no topdressing is required in the whole growth period of the corn; according to the invention, the urea formaldehyde fertilizer is reasonably mixed with the common urea; the phosphorous content can be reduced and the potassium content can be increased obviously according to the growth season and fertilizer requiring characteristics of the corn; the requirements for the three nutrient elements, namely, nitrogen, phosphorus and potassium, all the medium elements, namely, calcium, magnesium and sulfur, and the microelements, namely, zinc and boron, which are required by the growth and development of the medium/high-fertility field corn crops can be met; the mixing compound fertilizer has a topdressing-free characteristic and is capable of increasing the economic benefit and saving manpower; compared with the present enveloping controlled-release fertilizer, the mixing compound fertilizer has the advantage that no plastic film residue is remained in the soil.

The invention relates to a system and a method for measuring the geometric size of corn cobs in a field. The measuring system comprises a multi-camera probe array, a connecting piece, an unmanned aerial vehicle and a camera remote controller, wherein the multi-camera probe array is connected with the unmanned aerial vehicle through the connecting piece; the unmanned aerial vehicle is used for adjusting the shooting position of the multi-camera probe array; the multi-camera probe array comprises a plurality of cameras which are linearly arranged at intervals; and the camera remote controller isin wireless connection with a plurality of the cameras, and a plurality of the cameras are used for synchronously acquiring images of corn cobs to be tested under remote control of the camera remotecontroller. The system adopts the principle of computer vision based on the plane design of the unmanned aerial vehicle, images the corn cobs once through the multi-camera array and constructs a high-precision three-dimensional model of the corn cobs in the field to efficiently and accurately measure the geometric size of the corn cobs in the field.

The invention discloses a portable field corn test instrument. The instrument comprises an objective table, a first image acquisition device, a second image acquisition device and a control mainboard,the objective table is used for bearing corn ears; the first image acquisition device is positioned below the objective table and is used for acquiring a side image of the corn ear; the second imageacquisition device is located beside the objective table, and the second image acquisition device is used for acquiring a tail end image of the corn ear; and the control mainboard is used for determining corn ear phenotypic character data according to the side images and the tail end images. According to the portable field corn seed test instrument, the corn ear phenotypic character data can be quickly acquired by adopting a machine vision technology without rotating corn to shoot and splice a plurality of side surface images, and the portable field corn test instrument has the advantages of labor saving and high efficiency, is light, small and exquisite, is convenient to carry, is compact in structure, is convenient for an operator to operate and carry with one hand, and can smoothly complete corn test work in fields.

The invention is suitable for the field of image processing and artificial intelligence, and provides a farming robot-oriented field corn plant contour extraction method and system, and the method comprises the steps: obtaining a leaf part image and a root part image of a corn plant in an original image of the corn plant; respectively carrying out denoising processing on the leaf part image and the root part image; extracting blade feature points and root feature points by using a Forstner algorithm, and describing information of the blade feature points and the root feature points by using a Brief algorithm; splicing the denoised leaf part image and the denoised root part image according to the information of the leaf feature points and the root feature points, and determining a spliced image of the corn plant; and extracting the corn plant contour in the spliced image. According to the scheme, the leaf part image and the root part image of the corn plant are processed separately, then the contour is extracted after splicing, contour loss caused by color inconsistency is avoided, and the integrity of the contour of the corn plant is guaranteed.

A field corn planting early-phase herbicide is prepared from the following components in parts by weight: 35-45 parts of acetochlor, 35-45 parts of atrazine, 15-19 parts of agastache rugosus, 6-9 parts of mangnolia officinalis, 15-18 parts of fried fructus aurantii, 12-14 parts of amomum cardamomum, 5-7 parts of semen trichosanthis, 9-14 parts of peach kernel, 30-50 parts of momordica grosvenori, 50-60 parts of vinegar, 50-60 parts of peanut, 50-60 parts of malt, 1000-1200 parts of green tea, 70-80 parts of orange juice, 50-70 parts of tomato juice, 5-10 parts of radix polygonati officinalis, 200-220 parts of soybean, 50-56 parts of straw, 10-15 parts of plant ash, 10-20 parts of sugar mill filter mud, 1-2 parts of probiotics, 10-15 parts of diafenthiuron, 10-15 parts of methomyl, 10-15 parts of pyridaben and 10-15 parts of Maibaosu. The field corn planting early-phase herbicide and a preparation method thereof has the beneficial effects that the herbicide prepared by the method is specially used for removing weeds in the early phase of field corn, the corn growing trend is not affected, and after being dissolved in water, the herbicide permeates underground and can realize nutrition supply to the corn in the early phase; plant diseases and insect pests are reduced by the method, high quality and high yield are achieved, and the yield of the corn is greatly increased; the corn produced by the method is full in grain, rich in nutrition, and suitable for being popularized.