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钙是果树生长发育必需的营养元素之一。既是细胞核的重要组分,又是代谢中不可缺少的物质,碳水化合物的转化、氮的代谢都离不开钙。果树缺钙不仅影响生长发育,而且也影响果实品质,如易罹苦痘病等。钙在土壤中是支配盐基,可调节酸碱度,
Calcium is one of the nutrient elements necessary for the growth and development of fruit trees. Not only is an important component of the nucleus, but also an indispensable metabolism of substances, carbohydrate conversion, nitrogen metabolism can not be separated from calcium. Calcium deficiency of fruit trees not only affects the growth and development, but also affects the fruit quality, such as easy to suffer bitter pox disease. Calcium is dominated in the soil salt, pH can be adjusted,