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在花生生育过程中,除需要吸收足够数量的氮、磷、钾、钙、镁、硫等大量元素外,还必须吸收一定数量的硼、钼、锌、锰、铁等微量元素.如果缺少某种微量元素,就会影响花生的正常生长而导致减产。为此,应根据花生缺少微量元素的症状,采取相应的预防对策。 一、缺硼症状与预防 1、症状。硼主要分布在茎尖、叶片、根尖和花器官中。花生缺硼时器官发育不良,不能形成种子,根尖停
In the process of peanut growth, a certain amount of trace elements such as boron, molybdenum, zinc, manganese and iron must be absorbed in addition to the absorption of a large number of elements such as nitrogen, phosphorus, potassium, calcium, magnesium and sulfur, Trace elements, it will affect the normal growth of peanuts and lead to reduced production. To this end, should be based on the lack of trace elements in peanuts symptoms, take appropriate preventive measures. First, the lack of boron symptoms and prevention 1, symptoms. Boron is mainly found in shoot tips, leaves, apices and floral organs. Peanut boron deficiency organ dysplasia, can not form seeds, root tip stop