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葡萄在生长发育过程中,需要吸收多种营养元素,一旦某种元素缺乏,植株就会表现出相应的缺素症状。生产上多以葡萄植株的表现形态作为诊断缺素和采取应对措施的依据。1缺氮症
Grapes in the process of growth and development, need to absorb a variety of nutrients, once a lack of elements, plants will show the corresponding lack of symptoms. The production of grape plants in the form of performance as a diagnosis of deficiency and take countermeasures based. 1 nitrogen deficiency