Potash Status in Calcareous Soil and the Effect of Potassium Fertilizer on Wheat in the South of Shanxi Province
Zhang Dingyi, Wang Jiaoai, Jia Wenlan, Yan Cuiping
ACTA AGRICULTURAE BOREALI-SINICA . 1996, (4): 69 -73 .  DOI: 10.3321/j.issn:1000-7091.1996.04.014