1. Soybean leaf growth is very strong and the field is completely sealed. In this case, the air permeability and light transmission are poor, and it is necessary to control Wang.
2. From the outside, the leaves on the upper part of soybeans are dark green and have a large area, while the leaves are opened and the leaves below have turned yellow, and some have begun to fall off.
3. According to the inflorescence judgement, if only the upper part of the main stem is found, a small amount of inflorescence is found, and some branches and the lower part of the main stem, there are very few inflorescences, and it is also an expression of prosperous growth.
In the above three kinds of situations, we cannot allow any soybeans to grow freely. It is necessary to control the growth of the soybeans. There are many ways to control the prosperous growth. The following are mainly two kinds, one is artificial and the other is anti-doping.
1, artificially tipping, suitable for small friends, in the prosperous plots, the tip of the blade, when the tipping is not free to play indiscriminately, to follow the principle of 15 words, "did not play late, do not lose fat, Do not hit the secret thinning, and do not hit the tip too much, go to the top of the main stem 2-3cm can be.
2, drug control and prevention, this is a common method, and other crops, control agents can choose to use paclobutrazol, attention to the amount, can not increase the amount of private, according to the instructions for the use of dose, in addition, in the control of Wang, we must pay attention If you find that the growth of soybeans in the field is high, but there is no flowering, it is impossible to control Wang, which we must remember.
As the saying goes: “The early flowering period of soybeans will affect the management of flowers.†Therefore, if a friend planting soybeans finds that the soybeans in his own land are blooming, a series of management will be carried out. The crops are not the same as other crops. Diligent management, production can be guaranteed.
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