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。
The decline of photosynthetic rate at the community level mainly resulted from reduced leaf area after a long time treatment of low soil moisture.
长期低土壤水分处理后,群体光合能力的下降主要是由于叶面积的减小。
The distributing trend of soil moisture contour map in under soil is rising up from bottom to surface, which indicates that ground water level has no influence on soil moisture variation.
下部土壤含水率等值线分布由底部向上都呈递增趋势,表明本次试验土壤水分动态变化不受地下水位的影响。
It is pointed out that the worsening of soil moisture states inthe level terraced fields cover two parts, i. e. the decrease in soil moisture storage rate, and increase in crop water requirement;
指出,水平梯田水分状况的恶化包括蓄墒率的减小和作物需水量的增大两部分;
The results were as follows:(1) The ramets density and population biomass at high level of soil moisture supply were higher than that of the population at low level of soil moisture supply.
结果表明:①土壤水分有效性高的种群,其子株密度和生物量大于土壤水分有效性低的种群。
The results were as follows:(1) The ramets density and population biomass at high level of soil moisture supply were higher than that of the population at low level of soil moisture supply.
结果表明:①土壤水分有效性高的种群,其子株密度和生物量大于土壤水分有效性低的种群。
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