Evaluation of current fertilizer practice and soil fertility in vegetable production in the Beijing region
Qing Chen, Xiaosheng Zhang, Hongyan Zhang, Peter Christie, Xiaolin Li, Dieter Horlacher, Hans-Peter LiebigVolume:
69
Language:
english
Pages:
8
DOI:
10.1023/b:fres.0000025293.99199.ff
Date:
May, 2004
File:
PDF, 164 KB
english, 2004