蔬菜缺素的诊断与补救措施蔬菜在生长发育过程中，需要多种营养元素，土壤中如果缺少某种营养元素，蔬菜就会从外部形态上表现出相应的特征。因此，在生产上，可根据蔬菜瓜果的外部症状，进行诊断，对症下药，予以补救。缺氮绝大部分蔬菜缺氮或氮肥不足时，整个植株生长衰... Diagnosis and remedial measures of vegetable deficiency In the process of growth and development of vegetables require a variety of nutrients, the soil in the absence of a nutrient element, vegetables will be from the external morphology showed the corresponding characteristics. Therefore, in production, according to the external symptoms of vegetables and fruits, diagnosis, remedy, to be remedied. Nitrogen deficiency Most vegetables lack of nitrogen or nitrogen deficiency, the entire plant growth failure ...