1空秆产生的原因引起空秆的原因主要是栽培条件与品种两个方面。1.1养分水分供应不足玉米的生长及发育需要从土壤中吸收大量的养分和水分,如果供应不足,植株矮小细弱,叶片发黄,雌穗的分化与发育受到影响,如磷素对果穗的分化与发育影响很大,磷素缺乏果穗发育缓慢以至停止,会增加玉米 1 empty stalks cause of stalks caused by the main reason is the cultivation of two varieties and varieties. 1.1 inadequate supply of nutrients and water growth and development of corn need to absorb a large amount of nutrients and water from the soil, if the supply is insufficient, the plant is short and thin, leaves yellow, the differentiation and development of the affected ears, such as phosphorus on ear differentiation and Development of a great impact, lack of phosphorus, ear growth and development will be slow to stop, will increase the corn