How to harvest wheat lodging?
How to harvest wheat lodging? Please introduce the method of wheat affected by wind and rain or improper fertilization, wheat lodging at maturity will occur every year. If harvested according to the conventional method, it will cause about 13% grain loss. So how to harvest lodging wheat: first, load the toppling device. Some harvesters are equipped with inverters when they leave the factory. Those that are not equipped should be installed before the summer harvest. The upside-down device should be installed in the front of the knife protector, and the fallen stalk can be lifted and straightened when working. When working, the harvester should drive in a straight line to avoid swinging left and right, so as to prevent the upsetting machine from crushing more wheat plants and causing losses. Second, install the divider. Lodging wheat straw is often twisted together, if the two ends of the harvester can not be divided effectively, it will cause part of the spike head to be scattered on the ground after cutting, resulting in about 1.2% loss. Third, correct adjustment. When harvesting lodging wheat, the position of the plucking wheel should be adjusted forward and downward, so that when the spring teeth are in the lowest position, they are all close to the ground, but can not touch the ground in order to grab the straw. The spring teeth of the reeling wheel generally have four positions, that is, 15 degrees forward, 15 degrees downward and 15 degrees backward, which can be adjusted backward 15 or 30 degrees according to lodging, so that the spring teeth can grab crops from the ground and send them to the harvester. The plucking wheel pressing plate should be removed when harvesting lodging crops. If the pulley and spring teeth are adjusted properly, the loss can be reduced by 3.2%. Fourth, reduce the height of stubble. In the case of serious lodging of wheat and no fender, the flexible cutting table can be used to reduce the stubble height, and equipped with torpedo divider to adjust the position of the plucking wheel and the spring tooth angle, which can also reduce the loss. Fifth, reduce the speed of advance. In harvesting, every effort should be made to operate accurately and reduce losses. In addition, the harvesting lodging wheat is difficult to separate because of the low stubble, the increase of feeding amount and the increase of plant moisture, so it is necessary to increase the air volume properly and adjust the wind direction and the opening of the sieve until the grain is not wrapped. Click to get more wheat planting technology click to get more grain planting technology
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How to prevent and cure rice virus disease?
How to prevent and cure rice virus disease? Please introduce the method that the occurrence of rice virus disease is fulminant, intermittent and migratory. The occurrence of rice virus disease is closely related to tillage system, occurrence quantity and migration law of transmission mediators, climatic conditions and cultivation management measures. Prevention and control should carry out "prevention first, comprehensive prevention."
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How to choose to keep seeds during wheat harvest?
How to choose to keep seeds during wheat harvest? Please introduce the wheat seed selection and retention work can refer to the following methods: first, single plant (spike) selection: that is, the selection of improved varieties with typical characteristics of this variety, high purity and strong seed quality. This method should be used for those with small amount of seed selection and seed use. Go to the seed field or field two to three days before harvest.
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