Symptoms of calcium deficiency Plants such as buds and root hair grow stagnant, atrophy and death, new leaves adhere, new leaves often open, and incompleteness; the top of the fruit is prone to depression, dark brown and necrosis.
The control measures spray calcium on the foliar surface, and the new high-fat film 800 times liquid is mixed with the concentration of 0.3%~0.5% calcium chloride and calcium nitrate. Generally, it is sprayed once every 7 days, and even sprayed 2~3 times. . Tomatoes should be sprayed on 2~3 leaves above and below the flowering inflorescence. Chinese cabbage should be sprayed with calcium when it begins to enter the balling stage.
The control measures spray calcium on the foliar surface, and the new high-fat film 800 times liquid is mixed with the concentration of 0.3%~0.5% calcium chloride and calcium nitrate. Generally, it is sprayed once every 7 days, and even sprayed 2~3 times. . Tomatoes should be sprayed on 2~3 leaves above and below the flowering inflorescence. Chinese cabbage should be sprayed with calcium when it begins to enter the balling stage.
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