This should be a physiological disease, caused by a combination of reasons. For example, the temperature in the shed at night is too low or the ground temperature is low, the soil is heavily salinized or the application of nitrogen, phosphorus and potassium macroelement fertilizers affects the absorption of medium and trace elements, and the absorption obstacles caused by poor roots or drought and water control cannot be ruled out. Variety and point anther issues.
In this regard, vegetable farmers should improve the soil, take root, and adjust the temperature and light in combination with root cultivation; appropriately apply boron-calcium fertilizers plus amino acid, alginic acid, fish protein fertilizers, and appropriately mix high-potassium fertilizers; in addition, pay attention to anthers. The problem of excessive gibberellic acid.
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