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柴永青, 曹致中. 草地农业生态系统4个生产层理论对肃北县畜牧业可持续发展的指导[J]. 草业科学, 2010, 4(4): 160-164.
引用本文: 柴永青, 曹致中. 草地农业生态系统4个生产层理论对肃北县畜牧业可持续发展的指导[J]. 草业科学, 2010, 4(4): 160-164.
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Yong-Jing CHAI, Zhi-Zhong CAO. Guiding role of the theory of four production levels of pastoral agriculture ecological system on sustainable development in Subei County[J]. Pratacultural Science, 2010, 4(4): 160-164.
Citation: Yong-Jing CHAI, Zhi-Zhong CAO. Guiding role of the theory of four production levels of pastoral agriculture ecological system on sustainable development in Subei County[J]. Pratacultural Science, 2010, 4(4): 160-164.
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草地农业生态系统4个生产层理论对肃北县畜牧业可持续发展的指导

Guiding role of the theory of four production levels of pastoral agriculture ecological system on sustainable development in Subei County

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