The planting phenomenon in the corn area is serious, and there is a general delay in the growth period of the corn. Therefore, all localities should strictly grasp the late management of corn to accumulate temperature and promote early maturity. The specific measures are as follows:
One is to put the autumn ridge. The autumn ridge is carried out in the late stage of corn filling. After the autumn, the weeds in the field are strong, and the autumn ridges are necessary to cut off the weeds in the field, which is not only beneficial to the corn in the current year, but also important for reducing the grass damage in the next year. Let the autumn ridges be shallow, to loosen the soil, increase the ground temperature, eliminate weeds, promote early maturity, and increase the yield effect is very significant. When doing so, prevent excessive root damage and break the blade.
The second is to remove the diseased plants and corn without effect spikes. Crop disease plants can neither constitute production nor consume nutrients, but can also spread diseases and must be removed. In addition to the main ear, the second and third ear development of the corn plant is slow, and the silking is late. Except for the special variety, the spikelet can not be a strong stick in general, called “clam stickâ€. After extraction, it must be removed one by one to reduce the inefficient consumption of nutrients, and promote the soil to be full, large, full, full, increase yield, and promote early maturity.
The third is to cut off "empty stalks." It is often said that corn plants that do not grow ears and have ears but are only a green bar or a crowbar in autumn are collectively referred to as empty stalks. In normal years, such stalks have a great influence on yield. The reasons for these empty stalks are: 1. high temperature and drought; 2. excessive planting density: 3. lack of nutrition or imbalance: 4. unreasonable fertilization: 5. excessive rainy weather. They seriously affect the ventilation and light transmission, and compete with the normal plants for water and fertilizer, and should be completely removed early.
The fourth is to lay the bottom leaf. This year, the corn leaf spot disease is heavier, and most of the bottom leaves are aging, and they have lost their functional functions. They should be cleaned up in time to increase the ventilation and light transmission in the field and reduce the disease infection.
The fifth is in addition to "Umi." Corn "Umi" is a silk smut, which can not be strong. It should be thoroughly inspected in the field. It must be removed together with the corn plants before running the powder. It should be deeply buried and cannot be used as feed or manure to prevent the disease from being re-infected.
Sixth is to go to the "dry bar." This is because the filaments in the lower part of the corn cob are first extracted from the glutinous rice leaves, and are easy to pollinate. Therefore, there is little grain deficiencies in the lower part of the corn cob. Therefore, the filaments on the upper part of the corn cob are finally extracted, and the first extracted filaments have been inseminated. Gradually began to wilting (dry cockroaches), so that the filaments that were extracted later were covered by these "dry cockroaches", which were not easy to accept pollen and could not be strong. Cutting off the "dry bar" can increase the seed setting rate and increase the yield of corn. According to the test, cutting a "dry bar" can reduce the baldness by 50%: cut two or three times, which can basically eliminate baldness. The time of silk cutting should be after the infertility of the corn filigree. The method is to gently lift the filaments by hand, and then cut the withered filaments with scissors. At the same time, leave the young and fresh filaments into a spout shape so that the unfertilized filaments continue to be inseminated and firm.
The seventh is to stand the stalks and dry the skin. Practice has proved that the drying of corn stalks at the end of the stalks is an extremely effective measure for dehydration and early maturity in corn fields. All localities should increase the propaganda of this technology and mobilize the peasants to fully adopt this technology. At the same time, the technology should be in place, not to “ "Golden Edge", we must pay attention to actual results.
Eight is the right harvest. Corn harvesting time depends on the planting use. Seed corn should be harvested in the late stage of waxing. Early harvesting is beneficial to prevent disease infestation, prevent lodging, and is good for drying and autumn tillage. The special silage corn should be harvested from the end of the milk to the early stage of waxing. At this time, the nutrient accumulation of the plant reaches the peak period, and the water content of the plant is about 68% suitable for silage. For the grain-feeding corn with mature stalks, the harvest period can be set in the middle and late stages of waxing, which can minimize the loss of dry matter and energy.
Nine is timely dehydration. In view of the fact that this year's corn has high water content, the corn should be actively taken after the harvest, “code scorpion, scorpion, and scorpion†to accelerate the dehydration of corn kernels.
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