For late sowing wheat, the soil closure before seeding is more important. If you wait until the emergence of the vaccine, the probability of a large temperature drop is very large, and the temperature range suitable for weeding of stems and leaves is narrow, so it is easy to miss the best medication period, such as the use of isoproterenol and other drugs, the occurrence of "frozen poison" The chances are even greater.
The wheat field is closed to the soil, and some areas are used to medication immediately after sowing. Many years of practice have shown that the appropriate delay in the use of drugs, before the wheat needle, the effect of closed weeding is better. This is because the soil aggregate structure is unstable in the short-term after sowing, and it is easy to be broken. After using the soil sealing treatment agent, a strict soil layer cannot be formed, which will affect the sealing effect.
It is generally recommended to use the medicine just after the wheat has been germinated and not yet unearthed. On the one hand, the soil has been solidified at this time, which is conducive to the formation of a stable soil layer; on the other hand, grass weeds have sprouted and roots, which is beneficial to absorb the drugs in the soil, improve the herbicidal effect, and play a role in joint sealing. At the same time, it can also eliminate some of the broadleaf weeds that emerged before winter. It is recommended to check the germination process of wheat in time to make a more reasonable determination of the time of administration. It is necessary to pay attention to the use of drugs that are safe for the growth of wheat shoots, and to avoid the use of acetochlor-containing agents to prevent burning buds when water is accumulated.
On the basis of selecting a good medicine, the use of sufficient water is beneficial to the formation of a tighter soil layer in the soil, thereby improving the effect of closed weeding and not reducing the amount of water at will. Generally, the water consumption per mu is about 50 kg.
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Corn is a good source of vitamin C, which can help boost the immune system and help fight cancer. Compounds found in corn have been shown to reduce the risk of cardiovascular disease. According to research, fresh corn contains 4-5 times more body fat than rice and flour, and contains unsaturated fat, of which 50% are fatty acids, which inhibit the digestion and absorption of cholesterol. It is an excellent medicine for long-term use to reduce blood cholesterol and soften blood vessels, making it an ideal vegetable oil for patients with hypertension, coronary heart disease, obesity and the elderly.
Corn is also a cereal and low-fat food. Researchers have found that a low-fat diet has no significant effect on the risk of several diseases. In past follow-ups, a low-fat diet was found to provide significant and sustainable health benefits.
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