微量元素对小麦的生长发育起着大量元素(如氮、磷等)无法替代的作用,一旦某种微量元素缺乏,就会通过植株的外部形态表现出相应的缺素症状,生产上多以此作为诊断缺素和采取补救措施的依据。缺铁症小麦每形成1吨干物质,需要吸收232克铁。缺铁时,叶色黄绿,发生小斑点,嫩叶出现白色 Trace elements of wheat growth and development of a large number of elements (such as nitrogen, phosphorus, etc.) irreplaceable role, once a trace element deficiency, it will be through the external morphology of plants showed the corresponding lack of symptoms, the production of more As a basis for diagnosis of deficiencies and remedial measures taken. Iron deficiency Whenever 1 ton of dry matter forms, 232 grams of iron need to be absorbed. Iron deficiency, yellow-green leaves, the occurrence of small spots, young leaves appear white