Bean crops are more sensitive to boron, so you must pay attention to supplementing boron fertilizer in advance to better promote the differentiation of flower buds and not cause flower drop. At the same time, pay attention to regulating the balance of vegetative growth and reproductive growth. If the vegetative growth is too strong, it will cause The phenomenon of falling flowers and fruits occurs.
In this regard, vegetable growers can use biological agents to improve the soil to promote good root growth; attention should also be paid to the early prevention of gray mold by spraying Kaiser, iprodione, etc.
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