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Eco-balance analysis of six agricultural land uses in the Ikushunbetsu watershed |
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| Authors: | Sonoko D KIMURA Zhijian MU Yo TOMA Ryusuke HATANO |
| Institution: | Graduate School of Agriculture, Tokyo University of Agriculture and Technology, Tokyo 183-8509, and; Graduate School of Agriculture, Hokkaido University, Hokkaido 060-8589, Japan |
| Abstract: | |
| Keywords: | eco-balance farmland surplus nitrogen global warming potential uncertainty watershed scale |