搜索结果: 1-1 共查到“作物生态学 C cycle”相关记录1条 . 查询时间(0.031 秒)

Boosts in productivity of corn and other crops modify Northern Hemisphere carbon dioxide cycle(图)
productivity of corn Northern Hemisphere carbon dioxide cycle
2014/12/1
Each year in the Northern Hemisphere, levels of atmospheric carbon dioxide drop in the summer as plants "inhale," then climb again as they exhale after the growing season.