Substrate, which not only takes part in the pollutant-removing, but influences the plant growth, plays an important role in subsurface flow wetland.

填料是潜流湿地的重要组成部分，它不但直接参与污染物的去除，而且对植物的生长和生理活动产生重要影响。

youdao

Plant-esterase tablet and substrate tablet were developed for rapid detection of organophosphorous pesticides in water.

研制出一种能快速测定水中有机磷农药的植物酯酶片和底物片。

youdao

The cucumber plant of 1/500 with soil culture and 1/1000 with substrate culture obtained the higher plant height, leaf area, leaf number and content of dry matter than other treatments markedly.

土壤栽培和基质栽培黄瓜分别以1/500浓度和1/1000浓度处理植株干物质的积累、株高、叶片数和叶面积均显著高于其它处理。

youdao

Generally, all anyone really needs to make a terrarium is a vessel, a plant and a substrate for the plant to grow in.

CNN: Terrariums make it big by going small