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COMPARING SUPERIORITY OF COTTON GROWING IN XINJING：ANALYSIS ON THE RATIOS OF GRAIN-COTTON PER UNIT AREA YIELD
SHENG Cheng-fa, SU Jian-wei, WANG Hong-tuo, XUAN Wei-jian
Arid Land Geography . 2001, (2): 109 -112 .  DOI: 10.13826/j.cnki.cn65-1103/x.2001.02.003