In late August, peanuts enter the critical period of fruit expansion. Recently, many peanut growers have responded. Their peanuts have a large area of ​​yellowing of leaves. Especially during this period, there is a lot of rain. After the rain, many peanut plots appear yellow throughout the leaves. How is this? What about it?
For the problem of peanut yellow leaves, let's first analyze the situation in which yellow leaves appear on peanuts. There are three main situations for analysis below.
The first type: peanut iron deficiency
When the peanut is iron-deficient, the leaves will appear yellow. The peanuts are only yellow in the upper part of the leaves, while the lower part of the leaves are still green. In severe cases, the leaves of the peanut leaves will also yellow, and the leaf size of the peanuts does not change, but the color occurs. change. So if there are yellow leaves in the peanut field, you can see if there is a characteristic of iron deficiency. If so, you can carry out iron rescue.
Second: peanut zinc deficiency
When the peanut is deficient in zinc, the leaves will turn yellow and white, and the leaves will become smaller. The most obvious feature is that the peanut leaves are clustered and the growth is short. For the zinc deficiency of peanuts, it is generally more common in the growth period of peanuts, and the fruiting period is relatively small. Of course, this possibility is not ruled out.
Third: peanut nitrogen deficiency
The peanuts are deficient in nitrogen, and the leaves begin to chlorotic and yellow from the old leaves, and the leaves become smaller and thinner, and the plant growth is shorter than that of the increased plants. After the summer peanuts enter the autumn, the peanuts enter the critical period of the expanded fruit. If the rain is too much, the trace elements in the soil, such as iron, zinc and nitrogen, will be lost, especially the sand blocks will be more obvious.
Peanut yellow leaf solution
In the late stage of peanuts, these three elements will be lacking at the same time. It is recommended that you can use 10% of 0.1% urea, 20 grams of ferrous sulfate, 10 grams of chelated zinc or zinc sulfate, sprayed once after the yellow leaves of peanuts. After that, the peanut yellow leaf phenomenon can be effectively controlled.
It is also recommended that peanut growers can also add potassium dihydrogen phosphate to promote peanuts and prevent premature aging of peanuts.
The above is the reason for the emergence of peanut yellow leaves and the measures to be solved. In addition to the yellow leaves in the planting process, there are other hazards such as pests and diseases, so everyone must manage them when planting peanuts.
Tetanus Shot,Tetanus Vaccine,Hepatitis B Injection,Hep B Vaccine
FOSHAN PHARMA CO., LTD. , https://www.full-pharma.com