Zeng Xi-bo
Upland Research center, Chinese Academy of Agricultural Sciences, Beijing 100081Xie De-ti
College of Resources and Environment, Southwest Agricultural University, Chongqing 630716Qing Chang-le
College of Resources and Environment, Southwest Agricultural University, Chongqing 630716Zeng Xi-bo, Xie De-ti, Qing Chang-le. EFFECT OF SOIL FERTILITY ON PHOTOSYNTHETIC CHARACTERISTICS AND YIELD OF LETTUCE[J]. Acta Pedologica Sinica,1998,35(2):283-287.
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