中文摘要：

在玉树州称多县珍秦镇青海大学一清华大学三江源草地生态环境观测站进行不同肥料和施肥量的试验，结果表明，在A6（尿素：65g／m^2）处理下植被平均高度显著高于其他处理（P〈0．05）；禾本科和莎草科生物量也在A6处理下显著增加（P〈0．05），而杂类草则在A2（有机肥：320g／m^2）处理下最高，显著高于对照（P〈0．05）；鲜干比禾本科和莎草科在A6处理下显著增加（P〈0．05），A2处理下杂类草鲜干比最高，但各处理间均无显著性差异（P〉0．05）。由此看来，A6处理对草地优良牧草生物量和牧草品质的增加有促进作用。

英文摘要：

The tests on different fertilizer and fertilizer quantity were conducted in Sanjiangyuan grassland ecological environment monitoring station, in Zhenqin , Chengduo county of Yushu prefecture.. The results showed that the average height of vegetation is significantly higher than other treatments （ P 〈 0.05 ） under the A6 （ urea, 65g/m^2 ） treatment. Gramineae and Cyperaceae biomass under the A6 treatment also increased significantly （ P 〈 0.05 ） , while the forb under A2 （ organic fertilizer, 320g/m^2） treatment was the highest, and significantly higher than control treatments （ P 〈 0.05 ）. The ratio of fresh grass and dry - grass of Gramineae and Cyperaceae significantly increased （ P 〈 0.05 ） under the A6 treatment, the ratio of fresh grass and dry - grass of forb under A2 treatment was the highest, but there was no significant difference between the treatments （ P 〉 0.05 ）. It indicated that the A6 treatment is benefit for pasture biomass and grass quality.