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草业科学 [1]
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品种对春小麦根养分吸收效率的影响
学位论文
理学博士, 兰州: 兰州大学, 2021
Authors:
张俐
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Submit date:2021/12/06
玉米秸秆
氮肥
磷肥
根系氮吸收效率
根系磷吸收效率
根系特征
土壤有机氮
土壤有机磷
三江源区草地生态畜牧业合作社模式下“土-草-畜-水”氮素流动与平衡
学位论文
理学硕士, 兰州: 兰州大学, 2021
Authors:
宋甜儿
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Submit date:2021/12/06
青藏高原
三江源区
生态畜牧合作社
氮循环
15N
稳定同位素技术
生态集约化
牦牛粪沉积对青藏高原高寒草甸土壤酶活性的影响
期刊论文
草业科学, 2021, 卷号: 38, 期号: 05, 页码: 803-811
Authors:
张志阳
;
张世挺
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Submit date:2021/12/22
牛粪沉积
土壤理化性质
微生物生物量
酶活性
高寒草甸