Effect of Controlled-release Urea on Melon Yield,N Uptake and N Use Efficiency
XU Jun xiang, XU Qiu ming, NI Xiao hui, CAo Bing
ACTA AGRICULTURAE BOREALI-SINICA . 2009, (3): 215 -218 .  DOI: 10.7668/hbnxb.2009.03.045