Nitrogen efficiency of farm manure on permanent grassland in mountainous regions.E M Poetsch,R Resch,A Hopkins,T Gustafsson,J Bertilsson,G Dalin,N Nilsdotterlinde,E Sporndlymag(2008)引用 23|浏览4暂无评分关键词species diversity,forage,nitrogen,slurries,crop yieldAI 理解论文溯源树样例生成溯源树,研究论文发展脉络Chat Paper正在生成论文摘要