gutser

gutser

1. Hu Y C,Gutser R,Schmidhalter Urs.Understanding the gravity of N pollution in China and its countermeasure from the N input in German agriculture[J].Phosph.& Comp.Fert.,2004,19(5):8-12.

[2]胡云才,Gutser R,Schmidhalter Urs.从德国农业氮投入来认识中国氮污染的严重性及应采取的对策[J].磷肥与复肥,2004,19(5):8-12.