1) trenching
去凋
1.
And, in order to reveal the relation between soil carbon input and nitrogen mineralization, we executed some treatments to the trees investigated including girdling, litter exclusion and trenching.
利用去除地面凋落物处理(去凋)控制地上碳输入; c。
补充资料：凋蔽
1.破败;零落。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。