Acta Agrestia Sinica
Effect of N,P and K Fertilizers on Physiological Indicators and Yield Related to Wintering Period of Ryegrass
LIU Xiao-wei, YANG Juan, LI Wen-xi, LI Xiao-kun, LU Jian-wei
. 2010, (4): 584 -588 .  DOI: 10.11733/j.issn.1007-0435.2010.04.018