这类植物通过生长出长长的主根来适应环境，这些主根可以向下渗透，直达地下水提供的充足水源。
These have adapted to the environment by the development of long taproots that penetrate downward until they approach the assured water supply provided by groundwater.
不可渗透的粘土限制了水和黄腐酸的向下渗透，从而减少了化学风化和土壤灰化作用。
Impermeable clay limits downward percolation of water and fulvic acids, reducing chemical weathering and podzolization.
上面的盆子装满土并在底部安装向下渗透养分的管子。
The first basin would be filled with soil and a drain would be located at the bottom to allow leach of nutrients.
应用推荐