In order to make the corn ripe and dry as soon as possible, some farmers' friends harvested it early and blindly used the method of tipping to ripen in the late stage of corn growth. In fact, this is very unscientific, and the tipping will reduce the weight of corn and reduce the yield.
According to the comparison, in the mid-mature corn stage, the shoots were reduced by 24.8% and the 100-grain weight was reduced by 6.9 grams. This is because the number of ears per pan and the number of grains per ear in the late growth stage of corn are no longer changed, and only the grain weight is affected. If the tip is too early and too heavy, the upper green leaves are removed, the lower leaves are yellow, the source of photosynthesis is cut off, and the grouting process stops. In addition, although the area of ​​photosynthesis is reduced in the late stage of corn growth, some of the nutrients produced in the early stage are stored in the stalk. After the shoots are removed, the nutrients can no longer be transported to the grain, resulting in insufficient grain and reduced yield. Therefore, in order to ensure the high yield of corn, it is important to avoid ripening at the late stage of corn growth.
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