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-  2015 


DOI: 10.13360/j.issn.1000-8101.2015.05.034

Keywords: 干旱风沙区, 沙生灌木, 饲用营养价值
dry and sandy region
, shrub species, grazing value

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In order to select water??saving, drought??esistant, economically efficient and suitable vegetation for restoration mode and adaptive management technique in dry and sandy region in Ningxia, leaves of the seven shrub species(Atraphaxis frutescens, Salix psammophila,Tamarix ramosissima,Hedysarum mongolicum Turcz.,Caragana korshinskii Kom.,Amorpha fruticosa,Hedysarum scoparium Fisch.)were selected as the study materials in dry and sand. Their grazing values were analyzed and evaluated by measuring the nutrition of the leaves. The results showed that crude protein content of all species except T. ramosissima were up to the high quality food grain protein content (13.3% of wheat, 13.5% of rice). NDF and ADF of C. korshinskii Kom. were low, Ca/P of A. fruticosa achieved forage nutrition standard. The grazing nutrition of C. korshinskii Kom. and A. fruticosa were relatively high


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