Contribution of N from frequently chopped green manure to a succeeding crop of barleyRandi Berland Froseth,Sissel Hansen,Anne Kjersti Bakkenmag(2008)引用 25|浏览3暂无评分关键词mulching,nitrogen,crop yield,green manures,soil typesAI 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