At present, corn is in the period of small bell mouth, large bell mouth, tasselling period, reminding farmers to strengthen field management according to the actual situation in order to reduce disasters and ensure production.
1, pay close attention to drainage scatter
At present, the crops are in a rainy season, and they have to increase the intensity of drainage and smashing to the depression, clear the drainage ditch, and rule out the accumulation of water in the fields. Blocks with no clear water should take advantage of the favorable timing of the rainy season, increase soil permeability, and improve the rhizosphere environment of crops.
2, timely supplement of quick-effect fertilizer
Most of corn is in the period from big bellmouth to heading, and it is a critical period for corn growth. The absorption ability of maize roots is reduced. Appropriate application of urea and other available nitrogen fertilizers should be applied to promote maize growth and development. About 500 kilograms of land per mu can be topdressed with 15-20 kg of urea and about 10 kg of potassium sulfate. Fertilization should be carried out by burying or using mechanical rakes to avoid spreading. To prevent premature aging of corn, 7.5 kg of urea should be applied per acre for the grain filling period. Preventing lodging
3, do a good job of pest control
Focus on prevention and control of armyworm, corn borer, aphids and other pests and brown spot, large spot disease, rust and other diseases. The armyworm can be sprayed with 50% phoxim 1000 times spray. Corn borer and other ear worms can be used 90% trichlorfon 800 times drop irrigation control. The corn borer can be sprayed with 50% per annum 8-10 grams per mu, or 10% imidacloprid per acre 10-15 grams plus 45 kg spray. Brown spot, large spot, Curvularia leaf spot can be controlled by 50% carbendazim 500 times spray, rust can be used 20% Trifenin EC 75-100 ml per acre spray control.
Coarse grain usually refers to rice, wheat, corn, soybean and potato five crops other than the grain and bean crops. The main are: sorghum, millet, buckwheat (sweet buckwheat, buckwheat), oats (naked oats), barley, millet, barley millet, barley millet, grain amaranth and beans (kidney beans), mung beans, adzuki beans (adzuki beans, adzuki beans), broad beans, peas, cowpea, lentils (soldier beans), black beans and so on. It is characterized by short growing period, small planting area, special planting area, low yield, and generally contain rich nutrients. The ancient Chinese medicine book "Huangdi Neijing" records that "five grains are for raising, five fruits are for helping, five livestock are for benefiting, and five vegetables are for filling". Some trace elements, such as iron, magnesium, zinc and selenium, are more abundant in coarse grains than in refined grains. The value of these trace elements to human health is considerable. Coarse grains are also richer in potassium, calcium, vitamin E, folic acid and bioflavonoids than refined grains.
Whole Grains are rich in nutrients. Oats, for example, are rich in protein; Millet is rich in tryptophan and carotene. Beans are high in quality protein; Sorghum is rich in fatty acids and iron; Tubers contain carotene and vitamin C. In addition, coarse grain still has the effect of reducing weight. Such as corn also contains a lot of magnesium, magnesium can strengthen intestinal wall peristalsis, promote the excretion of body waste, is very beneficial to weight loss.
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