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第 1 7卷 第 1期修枝对杨粮间作系统中光照及作物产量和生物量的影响徐立军 ,傅大平 ,郑连阁 ,等 (1)…………………农田林网对小麦晚霜冻害防护作用的研究刘引菊 ,王立德 (7)…………………………………………………水利部南水北调方案的欠缺及补救建议袁嘉祖 (11)……………
Volume 17 Number 1 The Effects of Pruning on Light and Crop Yield and Biomass in Intercropping System of Yang Grain Xu Lijun, Fu Daping, Zheng Liange, et al (1) (6) ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................