Research on the Improvement of Associative Nitrogen Fixation Bacteria
It is not good to retain ecologic balance and protect environment under over use of chemical fertilizer.The microbiological fertilizer, which has so many advances, such as the long effectiveness, no toxic and no pollution etc, can give support to chemical fertilizer. So biological fixation of nitrogen has been paid attention to by scientists.
国家科技期刊平台
NSTL
万方数据
维普
