立式深旋松耕技术对马铃薯产量的影响
Information of Agricultural Science and Technology(2022)
Abstract
为了探索立式深旋松耕方式对马铃薯生育期、产量和品质的影响,在会宁县旱塬地区以常规旋耕种植方式为对照,进行了立式深旋松耕试验.结果表明:立式深旋松耕可明显减小土层容重及穿透阻力,土壤保水能力明显高于常规旋耕,出苗率比常规旋耕种植高2.4个百分点;20~60 cm 土壤含水量立式深旋松耕明显高于正常旋耕,说明立式深旋松耕在当年就改变了耕作层土壤水分含量,提高了耕层土壤持水能力;成熟期的株高差异不显著;产量差异不显著,但立式深旋松耕的商品率较高.
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