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玉米二比空怎样种植

更新时间: 2020-09-22 00:00:00     

1、合理密植保证株数,在正常亩保苗情况下,较常规栽培增加1到2成苗;

2、"二比空"种植,即在原垄的条件下种两垄空一垄,原来三垄的苗种到两垄上密度增加 )种植两垄的苗数是常规三垄苗数再加1到2成苗;

3、种子籽粒一定要均匀一致。利于出苗整齐,这是解决大小株,消灭三类苗的关键;

4、精量播种。株距要均匀一致,保障养分均衡供应,养分利用率最大化;

5、地利情况。选择地势平坦,地力中上等的地块最佳。施肥不低于常规栽培水平;注意病虫防治等。

关键词: 玉米 怎样 种植

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