%0 Journal Article %A Xiao-Zong Song %A Chang-Xing Zhao %A Xiao-Lan Wang %A Ji Li %T Study of nitrate leaching and nitrogen fate under intensive vegetable production pattern in northern China %J Comptes Rendus. Biologies %D 2009 %P 385-392 %V 332 %N 4 %I Elsevier %R 10.1016/j.crvi.2008.11.005 %G en %F CRBIOL_2009__332_4_385_0