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1苹果的钙素营养 钙是植物必需的大量元素之一，是细胞壁的重要组成元素，它能促进植物根尖、茎尖分生组织的生长和根系的吸收，调节植物体内pH值，影响氮素代谢，并能降低某些离子的毒害作用。因此，钙素营养对苹果正常生长发育和果实品质的提高非常重要。 苹果缺钙会导
1 Calcium nutrition of apple Calcium is one of the essential elements of plant and is an important component of cell wall. It can promote the growth and root absorption of plant apical and apical meristems, regulate plant pH and affect nitrogen Metabolism, and can reduce the poisoning effect of some ions. Therefore, calcium nutrition is very important for the normal growth and fruit quality of apple. Apple calcium will lead