制种菜心套种玉米高效栽培技术
Northwest Horticulture（2020）
Abstract
1 选地整地
选择土质疏松肥沃、排灌便利、墒情好的沙壤土地块种植.精细整地.前茬作物收获后及时深耕灭茬,耕深25～30 cm,耕后及时耙磨,才能春播足墒,利于出苗.
2 施肥覆膜
结合秋季深翻,亩施优质有机肥2～3 t/亩或者秸秆还田(秸秆还田时,配施10 kg/亩尿素,50 kg/亩过磷酸钙,以促进秸秆腐解).春播前结合耙耱整地,施底肥三元复合肥(15-15-15)60 kg/亩、尿素10 kg/亩.基肥用机械均匀深施,选用施肥、覆膜机械作业.
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