This is a continuation of the study of the nitrogenavailability index of green manure in rice pot experiment.
本文是水稻盆钵试验研究绿肥氮的有效度指标的继续。
2
Mineralization of nitrogen from various sources can contribute significantly to soil nitrogen balance, to total plant nitrogenavailability, and to environmental quality and global change.
土壤氮素矿化研究对从农田生态系统氮素平衡到全球变化和环境问题均具有重要意义。
3
Plant growth should be expected to be limited by nitrogen (n) and phosphorus (p) availability in most terrestrial ecosystems.