氮素用量对菠菜生长及产量和品质的影响
刘伟;徐坤;王惠林;苏华;
Effects of Nitrogen Amount on the Growth,Yield and Quality of Spinach
Liu Wei~;;Xu Kun~;Wang Huilin~;et al.
中国蔬菜 . 2007, (1): 21 -23 .  DOI: CNKI:ISSN:1000-6346.0.2007-01-009