The Potassium Fixed and Effect on Cotton of Depletion Soil
GUO Jian hua, HAN Bao wen, XING Zhu
ACTA AGRICULTURAE BOREALI-SINICA . 2003, (1): 94 -96 .  DOI: 10.3321/j.issn:1000-7091.2003.01.026