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浏览/检索结果: 共8条，第1-8条 帮助 限定条件 学科主题：农业科学    专题：西北高原生物研究所    第一署名单位    第一作者单位    通讯作者单位     已选(0)清除 条数/页：5101520253035404550556065707580859095100   排序方式：请选择作者升序作者降序题名升序题名降序发表日期升序发表日期降序提交时间升序提交时间降序 Defoliation, nitrogen, and competition: effects on plant growth and resource allocation of Cleistogenes squarrosa and Artemisia frigida 期刊论文 journal of plant nutrition and soil science-zeitschrift fur pflanzenernahrung und bodenkunde, 2007, 卷号: 170, 期号: 1, 页码: 115-122 作者:  Gao, Ying Zhi;  Wang, Shi Ping;  Han, Xing Guo;  Chen, Quan Sheng;  Zhou, Zhi Yong 收藏  |  浏览/下载：27/0  |  提交时间：2009/12/08 degradation  Inner Mongolian steppe  N-15 recovery  species coexistence  N fertilization   Short-term effect of targeted placements of sheep excrement on grassland in inner mongolia on soil and plant parameters 期刊论文 communications in soil science and plant analysis, 2007, 卷号: 38, 期号: 11-12, 页码: 1589-1604 作者:  Ma, Xiuzhi;  Wang, Shiping;  Jiang, Gaoming;  Haneklaus, Silvia;  Schnug, Ewald 收藏  |  浏览/下载：22/0  |  提交时间：2009/12/07 inorganic N  microbial biomass C  microbial biomass N  pasture N  pH   Short-term effects of sheep excrement on carbon dioxide, nitrous oxide and methane fluxes in typical grassland of Inner Mongolia 期刊论文 new zealand journal of agricultural research, 2006, 卷号: 49, 期号: 3, 页码: 285-297 作者:  Ma, Xiuzhi;  Wang, Shiping;  Wang, Yanfen;  Jiang, Gaoming;  Nyren, Paul 收藏  |  浏览/下载：34/0  |  提交时间：2009/12/08 carbon dioxide  methane  nitrous oxide  sheep excrement  Inner Mongolian steppe   Live-weight gain, apparent digestibility, and economic benefits of yaks fed different diets during winter on the Tibetan plateau 期刊论文 livestock science, 2006, 卷号: 101, 期号: 1-3, 页码: 199-207 作者:  Dong, QM;  Zhao, XQ;  Ma, YS;  Xu, SX;  Li, QY 收藏  |  浏览/下载：22/0  |  提交时间：2009/12/08 Yak  daily live-weight gain  apparent digestibility  feed conversion efficiency-  Yangtze and Yellow Rivers headwater region   Stable carbon isotope analyses show dominance of C3 grasses in the feed selected by small herbivores at the alpine meadow at the Tibetan Plateau 期刊论文 journal of animal and feed sciences, 2006, 卷号: 15, 期号: 1, 页码: 115-120 作者:  Yi, XF 收藏  |  浏览/下载：12/0  |  提交时间：2009/12/09 stable carbon isotope  small mammal  C3/C4 plant dominance  vegetation composition  alpine meadow  Tibetan Plateau   Enrichment of stable carbon and nitrogen isotopes of plant populations and plateau pikas along altitudes 期刊论文 journal of animal and feed sciences, 2006, 卷号: 15, 期号: 4, 页码: 661-667 作者:  Yi, X. F.;  Yang, Y. Q. 收藏  |  浏览/下载：15/0  |  提交时间：2009/12/08 stable carbon isotope  stable nitrogen isotope  plateau pikas  altitudinal gradients  Qinghai-Tibet Plateau   Effect of N fertilizer on the productivity and nutritive values of perennial grass mixtures in the alpine region of Qinghai-Tibetan Plateau, China 期刊论文 canadian journal of plant science, 2005, 卷号: 85, 期号: 2, 页码: 361-368 作者:  Dong, SK;  Yang, ZF;  Long, RJ;  Hu, ZZ;  Kang, MY 收藏  |  浏览/下载：24/0  |  提交时间：2009/12/09 nitrogen levels  herbage dry matter yield  leaf shoot ratio  crude protein contents  dry matter degradability   Digestibility, nutrient balance and urinary purine derivative excretion in dry yak cows fed oat hay at different levels of intake 期刊论文 livestock production science, 2004, 卷号: 88, 期号: 1-2, 页码: 27-32 作者:  Long, RJ;  Dong, SK;  Hu, ZZ;  Shi, JJ;  Dong, QM 收藏  |  浏览/下载：20/0  |  提交时间：2009/12/09 intake level  digestion  purine derivatives  creatinine excretion  dry yak cows