Compounding (combined) fertilizers have a significant effect on the yield of fruit trees because of the various nutrients required for fruit trees. However, in the course of operation, the fruit trees are reduced due to improper selection or impro.......
A: In winter, the management of cultivating, weeding, plastic trimming, and pest control is mainly carried out. The pruning period and the main task are carried out after the walnut is harvested until the leaves are yellowed, mainly to remove the .......
Avoid changing the light receiving angle of the greenhouse at will. The angle of the greenhouse for growing cucumbers has been scientifically proven for a long time. Do not change the north-south span, height, and backslope angle at will.
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