Root vigor of the seedlings was affected not only by the degree of soil moisture, but also adapt the drought in short time and the root vigor had a high level.
苗木的根系活力不仅与土壤含水量有关，而且能在短时间内适应干旱，从而维持较高的根活力水平。
The experiments also indicated high leaf yields and potassium content in the treatment of soil moisture at the level of 60% in middle stage and 80% in latter stage respectively.
试验结果也表明，在生长中期土壤水分保持在60%，生长后期保持在80%的处理在获得了较高产量的同时也获得了较高的烟叶含钾量。
The trend of tensiometers readings changes in different days was identical to the change of soil moisture, and could indicate the water level in the soil.
张力计读数的变化趋势和土壤含水量变化趋势基本一致，张力计能够反映土壤的水分状况。
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