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农学学报
早春施肥对油松生长与针叶内色素含量、净光合速率的影响
崔继光
The Effect of Fertilization in Early Spring on Growth, Pigment Content and Photosynthetic Rate of Pinus tabulaeformis Carr.
农学学报 . 2011, (8): 33 -36 .  DOI: 10.11924/j.issn.2095-4050.2011-xb0469