ZHANG Li-Feng. Relational discussion on agricultural productivity and agricultural systems structure[J]. Chinese Journal of Eco-Agriculture, 2010, 18(4): 880-883. DOI: 10.3724/SP.J.1011.2010.00880
Citation: ZHANG Li-Feng. Relational discussion on agricultural productivity and agricultural systems structure[J]. Chinese Journal of Eco-Agriculture, 2010, 18(4): 880-883. DOI: 10.3724/SP.J.1011.2010.00880

Relational discussion on agricultural productivity and agricultural systems structure

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