余江大叶籽紫云英栽培技术

cnki（2010）

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Abstract

<正>紫云英又名红花草、草子等,是豆科黄芪属越年生草本植物。据测定,每1千克紫云英鲜草含氮0.4%、五氧化二磷0.11%、氧化钾0.35%,若以亩产3000千克紫云英鲜草计算,每亩可提供纯氮12千克、五氧化二磷

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