MySheen

How to top cotton?

Published: 2024-11-22 Author: mysheen
Last Updated: 2024/11/22, How to control cotton aphids? Is there any effective way to use it? The control of cotton aphid should be based on the occurrence of local control, spot should be selected when the occurrence of treatment, do not spray all over the field, so as not to kill natural enemies. Chemical control should be carried out in time for the fields that reach the control target, and 35% Saidan EC is generally selected for 100-16 per mu.

How to top cotton? How to ask for advice Cotton topping can control the growth of cotton main stem and avoid the appearance of invalid fruit branches. Topping suitable period is generally from early flowering to full flowering, and the specific time should be determined according to soil fertility, planting density, local optimal flowering and boll setting period and cotton plant growth. Those with lower soil fertility, higher density and fewer fruit branches should be planted early; those with higher soil fertility, lower density and more fruit branches should be planted late. Topping should master the principle of "time to different branches, branches to different times". Topping too early can not make full use of the growing season, and will cause excessive buds; too late will have no effect, consume a lot of nutrients, and reduce the boll weight in the later period. Topping method is generally to remove the cotton plant stem tip a leaf heart. Click to get mass cotton planting technology Click to get mass grain and oil crop planting technology

 
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