【摘 要】
：
我省高粱种植,集中在中部的太原盆地和忻州盆地的水浇地和下湿盐碱地,约占全省高粱面积的60％。高粱生育期间。主要矛盾是春季低温冷害,或引起种子粉烂,或前期发苗很慢。春季
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我省高粱种植,集中在中部的太原盆地和忻州盆地的水浇地和下湿盐碱地,约占全省高粱面积的60％。高粱生育期间。主要矛盾是春季低温冷害,或引起种子粉烂,或前期发苗很慢。春季少雨,盐碱随水分蒸发,耕层集大量可溶性盐分,影响种子发芽生根,萌发出的幼苗也因土壤盐化板结导致死苗。地膜覆盖的“温室效应”,可以促苗早发,减少水分蒸发:抑制盐分上升,减轻盐碱害苗。
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