Potassium Supplying Power and Potassium Fixation Characteristics of Selected Soils from Henan Province
Sun Kegang, Li Guibao, Liu Chunmin, Yang Zhanping
ACTA AGRICULTURAE BOREALI-SINICA . 1999, (1): 123 -128 .  DOI: 10.3321/j.issn:1000-7091.1999.01.025