The rice landraces growing without nitrogen fertilizer are likely to use naturally available nitrogen, derived either from biological nitrogen fixation by free-living and plant-associated diazotrophs, or from microbial mineralization of soil nitrogen
The ricelandraces growing without nitrogen fertilizer are likely to usenaturally available nitrogen, derived either from biological nitrogenfixation by free-living and plant-associated diazotrophs,or from microbial mineralization of soil nitrogen