Impact of Long Term Potassium(K)Fertilization on Crop K Uptake on Wheat-Corn Rotation on in Loamy Fluvo-aquic Soil
XING Su-li, LI Chun-jie, HAN Bao-wen, JIA Liang-liang
ACTA AGRICULTURAE BOREALI-SINICA . 2008, (S2): 274 -278 .  DOI: 10.7668/hbnxb.2008.S2.063