Acta Agrestia Sinica
Study on NPK Fertilizer and Nutrients Utilizing Efficiency under Sudangrass and Ryegrass Rotation Regime in Jianghan Plains
LI Wen-xi, LU Jian-wei, LU Jun-ming, LI Xiao-kun, JIANG Zhi-ping
. 2007, (5): 460 -464 .  DOI: 10.11733/j.issn.1007-0435.2007.05.011