The effect of lignin and lignin-compound fertilizer on the yield of wheat was researched through field experiment in purple soil and moisture soil.

在潮土和紫色土两种土壤上，比较研究了硫代木质素及其复合肥料对小麦产量的影响。

youdao

Through experimental researches on the relations between changes of soil moisture, soil salinity, groundwater table and autumn irrigation norm, practical and feasible autumn irrigation norm...

通过土壤含水率、土壤盐分、地下水位的变化与秋浇定额关系的试验研究，确定出切实可行的秋浇定额，实施科学、合理的秋浇制度。

youdao

Observing the land with radiometer, the land parameters, such as soil moisture, soil roughness and vegetation layer, have great influences on the soil microwave emission.

在利用微波辐射计进行对地观测的过程中，陆地表面特性参数（如土壤水分、土壤粗糙度和植被冠层）是土壤微波辐射的重要影响因素。

youdao

After the potato plants appear, organic mulch can be spread around to hold moisture, help suppress weed growth and cool the soil.

VOA: special.2009.03.10

The mulch also improves the ability of the soil to hold moisture.

VOA: special.2009.06.30

Mulch suppresses weeds and holds moisture in the soil.

VOA: special.2010.06.15

According to the Global Soil Moisture Data Bank, global soil moisture increased throughout the 20th century at almost all sites.

FORBES: The Overwhelming Judgment of Science Rejects Obama's Global Warming Claims

With more moisture evaporating from the oceans and falling over the land as rain, global soil moisture has been improving for more than a century.

FORBES: Global Warmists Allergic To The Truth During Pollen Season

This means that the plant doesn't need to draw as much moisture from the soil.

ECONOMIST: Climate change (I)