%0 Journal Article %T Yield and Nitrogen Balance of Greenhouse Tomato (Lycopersicum esculentum Mill.) with Conventional and Site-specific Nitrogen Management in Northern China %A He, Feifei %A Chen, Qing %A Jiang, Rongfeng %A Chen, Xinping %A Zhang, Fusuo %J Nutrient Cycling in Agroecosystems %V 77 %N 1 %P 1-14 %@ 1385-1314 %D 2006-06-01 %I Springer Netherlands %~ DeepDyve