叶水势可以反映作物水分状况，叶温越高，叶水势越低。
Water potential of leaf reflected crop water condition. The lower water potential of leaf the higher leaf temperature.
土壤水分一般处于低储量、低利用的状况，各地程度不同地保持着可供地面作物利用的土壤水分潜力。 采取调整农林草的地区品种结构；
The soil moisturegenerally is the state with low storage and low usability, all kinds of landremainds moisture potentiality in soil usable to the crops on the ground indifferent extent.
农田水分管理以及产量评估都需要对土壤作物受旱状况定量化和指标化。
A quantitative drought index is necessary for soil water management and crop yield evaluation.
土壤墒情是指农作物主要根系活动层内的土壤水分状况。
The soil moisture refers to the soil water status in the main root system activity layer of crops.
探讨并建立了适合于中国华北地区夏玉米水分状况监测的作物水分胁迫指数(CWSI)模型。
The crop water stress index (CWSI) model for monitoring summer maize water stress in North China Plain (NCP) was set up in this paper.
土壤水分对作物生长发育和产量的影响，在生育过程中具体表现在生长状况和生长量变化上。
Effect of soil moisture on crop growth and yield were performed on the variation of crop growth conditions and biomass growth.
通过田间定位试验，研究了水泥硬壳覆盖对盐渍化土壤蒸发、作物蒸腾、土壤盐分变化、作物生长发育状况、产量及水分利用效率的影响。
The effects of concret mulching on evaporation, transpiration, evapotranspiration, soil salt, yields of cotton and corn, water use efficiency were studied by field experiments.
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；
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；
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;
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