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榆林地区3000~1000 cal BC的旱作农业特征与影响 学位论文
学位授予机构: 中国科学院大学. 出版年: 2018
作者:  生膨菲
收藏  |  浏览/下载:10/0  |  提交时间:2019/12/04
Yulin  Dryland farming  Archaeobotany  Stable isotopes  Late Neolithic  
苦豆子耐盐性钾素调控及其与环境因子的相关性研究 学位论文
学位授予机构: 中国科学院大学. 出版年: 2018
作者:  程达
收藏  |  浏览/下载:22/0  |  提交时间:2019/12/04
Sophora Alopecuroides  Salt Stress  Exogenous Potassium  Alkaloids  Ecological Division  
Characterizing Rangeland Ecosystems and Their Sustainable Management in a Changing Climate 学位论文
学位授予机构: Washington State University. 出版年: 2018
作者:  Reyes, Julian J.
收藏  |  浏览/下载:8/0  |  提交时间:2019/11/29
Climate change  Ecosystem model  Grassland  Grazing  Rangeland  Sustainable management  
Yield responses, mineral levels of forages and soil in old arable land planted to four legume pasture species in Lushington communal area, South Africa 学位论文
学位授予机构: University of Fort Hare, Faculty of Science and Agriculture. 出版年: 2017
作者:  Gulwa;Unathi
收藏  |  浏览/下载:5/0  |  提交时间:2019/11/29
Minerals in animal nutrition  
Quantitative and qualitative herbage yield and carbon sequestration in subtropical grasslands subjected to different precipitation grazing management and land use type 学位论文
出版年: 2016
作者:  Talore;Deribe Gemiyo
收藏  |  浏览/下载:1/0  |  提交时间:2019/11/29
UCTD  
Efficiency of nitrogen sources and rates on growth and dry matter yield of tifton 85 Eficiência de fontes e doses de nitrogênio no crescimento e produção de matéria seca do capim-tifton 85 学位论文
学位授予机构: Universidade Estadual Paulista (UNESP). 出版年: 2016
作者:  Borges;Bernardo Melo Montes Nogueira [UNESP]
收藏  |  浏览/下载:5/0  |  提交时间:2019/11/29
Eficiência de uso  Forragem  índice de área foliar  Nitrato de am?nio  Ureia  Use efficiency  Forage  Leaf Area Index  Ammonium nitrate  Urea  
Assessing the quality of forage for livestock in a semi-arid pastoral system in South Africa 学位论文
学位授予机构: University of the Western Cape. 出版年: 2016
作者:  Amary;Nefza Mohamed
收藏  |  浏览/下载:5/0  |  提交时间:2019/11/29
Forage quality  Mineral nutrients  Condensed tannins  Crude protein  
Cascading effects of changing climate and land use on alpine ecosystems and pastoral livelihoods in central Tibet 学位论文
学位授予机构: Colorado State University. 出版年: 2015
作者:  Hopping, Kelly A.
收藏  |  浏览/下载:7/0  |  提交时间:2019/11/29
Alpine ecology  Climate change  Grazing ecology  Local ecological knowledge  Pastoralism  Tibetan plateau  
Effect of wildlife on forage selection by cattle (Bos indicus Lichtenstein) in a semi-arid environment, Kenya 学位论文
出版年: 2014
作者:  Esilaba;Moses Otiali
收藏  |  浏览/下载:3/0  |  提交时间:2019/11/29
Cattle - Feeding and feeds - Kenya.  
Nutritive value of tall fescue (Festuca arundinacea) established on rehabilitated mineland for grazing cattle 学位论文
出版年: 2014
作者:  Janse Van Rensburg;Marjorie
收藏  |  浏览/下载:2/0  |  提交时间:2019/11/29
Mine land  Animal production  Pasture planted  Fertilization  Livestock production  Grazing cattle  UCTD