Nitrogen balance and dynamics as affected by water table and fertilization management in celery (Apium graveolens) cropping system of southwestern China
Huaming Guo 1, 2 * Guanghe Li 1, Dayi Zhang 1, Xu Zhang 1 and Chang’ai Lu3
1Department of Environmental Science and Engineering, Tsinghua University, Beijing 100084, P. R. China
2 Department of Water Resources and Environment, China University of Geosciences, Beijing 100083, P. R. China
3 Chinese Academy of Agricultural Science, Beijing 100081, P.R. China
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