不同负载量对苹果光合速率及干物质生产的影响

冉辛拓, 张新生

Effect of Crop Load on Photosynthetic Rate and Dry Matter Production of Apple

RAN Xin-tuo, ZHANG Xin-sheng

华北农学报 . 2003, (S1): 131 -132 . DOI: 10.3321/j.issn:1000-7091.2003.z1.036