Effects of intercropping on photosynthetic rate and net photosynthetic nitrogen use efficiency of maize under nitrogen addition
ZHU Qi-Lin, XIANG Rui, TANG Li, LONG Guang-Qiang
Chin J Plan Ecolo . 2018, (6): 672 -680 .  DOI: 10.17521/cjpe.2018.0033

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