The Effects of Long Term K Fertilization and Straw Recycling on Soil K Status in Fluvo-aquic Soil of Hebei Province
JIA Liang-liang, HAN Bao-wen, LIU Meng-chao, LI Chun-jie, XING Su-li, SUN Yan-ming
ACTA AGRICULTURAE BOREALI-SINICA . 2014, (5): 207 -212 .  DOI: 10.7668/hbnxb.2014.05.035