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The Component of Pasture Nutrition in Different Deteriorated Grasslands in the Jinqiang Rive Drainage Area
Pages: 116-118
Year: Issue:  1
Journal: Hunan Agricultural Sciences

Keyword:  deteriorated grasslandpasture nutritiontotal digestible nutrition (TDN)the Jinqiang Rive;
Abstract: 以天祝县金强河流域高山草甸中的冬季草场的不同退化样地为研究对象.在试验室条件下测定了牧草的租蛋白、粗脂肪、粗纤维、粗灰分、无氮浸出物等指标,并用总可消化养分(TDN)综合比较了各退化样地问差异.分析结果表明:(1)不同退化阶段的草地营养呈现出退化趋势.未退化样地牧草粗蛋白含量为14.1%.中度退化样地为11.1%,极度退化样地为6.4%左右;(2)随草地的退化,TDN下降明显,各样地间鲜草产量和T...
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