土壤水势

桃树茎直径微变化与土壤水势及气象因子的关系

Micro-variation in peach stem diameter and its relationship with soil water potential and meteorological factors

土壤水势零通量面埋深的样条函数确定法

A Spline Function Method for Determining the Depth of Zero Flux Plane of Soil Water Potential

滴灌条件下土壤水势对萝卜N、P、K吸收的影响

Effect of soil matric potential on radish nutrient uptake

土壤水势、温度的变化引起膨压（ΨP）的变化，而膨压的变化又引起叶片延伸速率的变化。

The changes of soil stress and temperature bring out the changes of p , and osmotic potential also causes the change of leaf extension rate .

与WT相比，土壤水势为0kPa时，4个转基因品系的产量高出5.1%&25.9%；

In contrast with WT , the grain yield of the four transgenic lines was increased by 5.1 % to 25.9 % .

初步得出以下结论：（1）不同的土壤水势处理条件下，茎直径日最大值（MXTD）和茎直径日最大收缩量（MDS）表现明显不同。

The preliminary conclusions are as follows : ( 1 ) Under different soil water potential , maximum daily trunk diameter ( MXTD ) and maximum daily shrinkage ( MDS ) are significantly different .

土壤水势温度滞后效应的研究

Research on the Temperature Hysteretic Effect of Soil Water Potential

温度对土壤水势影响的研究

A study of the temperature effect on soil water potential

随着温度升高，土壤水势、植物叶水势均升高。

Water potential of soil and plant leaves rose as temperature went up .

土壤水势对冬小麦干物质累积、矿质营养和产量的影响

Effect of Soil Matric Potential on Winter Wheat

大气水势远远低于土壤水势和植物水势是土壤蒸发和植物蒸腾的总动力源。

But the water potential was lowered by hundred MPa from plant to atmosphere .

太行山区典型植被对土壤水势动态的影响研究

A Study of Representative Vegetation Effects on Soil Water Potential in Taihang Mountainous Region

研究了不同温度下，土壤水势（ψ）和土壤含水量对土壤水分运动的影响。

The effect of temperature on unsaturated soil water movement is studied in this paper .

基于土壤水势的灌溉对水稻生长和产量的影响

Effects of Different Irrigation Based on Soil Water Potential on Growth and Yield of Rice

土壤水势对桃树几个生理指标变化的影响

Research on the impacts of soil water potential on a few physiological indicators of peach tree

水分亏缺是受根系表面土壤水势高低影响的。

Water deficit is influenced by the level of soil water potential at the root surface .

不同有效土壤水势下植物叶水势与蒸腾速率的关系

The relationship between transpiration rater and leaf water potentials in plants under various effective soil water potential

各土层土壤水势日变化不明显。在干旱时期通常不同土层的水势趋于一致，多在-1.5MPa上下。

In dry period all layers were tended to have same water potential around - 1.5 MPa .

不同的土壤水势处理影响梨枣果实相对含水量、风味品质和营养品质。

Relative water content , taste and quality of pear-jujube fruit are different indifferent soil water potential .

相同土壤水势条件下随温度升高，叶水势呈下降趋势。

At the same soil potential , the leaf water potentials down in trend with temperature increasing .

中度干旱胁迫下，土壤水势和蒸腾速率间呈极显著性负相关。

Under moderate drought stress , correlation between soil water potential and transpiration rate was very negative significant .

红叶石楠的蒸腾速率与净光合速率、土壤水势和叶片水势呈极显著和显著正相关。

The correlation between transpiration rate and net photosynthesis , soil water potential , leaf water potential were significant .

土壤水势呈不规则状波动，反映不同土层在不同时段有不同的消耗与补给。

Soil water potential fluctuations were irregular , reflecting the different soillayers at different times have different consumption and supply . 4 .

当土壤水势降至-0.3&1.5MPa时，叶片气孔开始关闭，太阳辐射对春小麦蒸发蒸腾的作用明显减弱（相关系数r<0.31）。

When soil water potential falls below - 0.3 MPa , leaf stoma begins to close and the effect of solar radiation on evapotranspiration decreases evidently .

土壤水势对春季桃树茎干变化的影响研究南方红壤区水土流失动态演变趋势分析

Effect of Soil Water Potential on the Trunk Diameter Variation of Peach Tree in Spring Changes of Soil and Water Loss in Red Soil Region of Southern China

研究了滴灌灌溉频率和土壤水势对马铃薯生长和水分利用效率的影响。

The effects of irrigation frequency and soil matric potential on potato growth and water use efficiency ( WUE ) under drip irrigation in North China were studied .

结果，模拟计算的人渗过程、土壤水势变化过程均与实测相符。因而证明，在研究入渗问题时，考虑气压势是必要的。

The simulated infiltrating process and soil water potential change process are compared with the measured values and good conformity indicates that the consideration of barometric potential is necessary .

结果表明：果实膨大期，根域土壤水势低于-30KPa时果粒横径趋势值开始降低；

The results showed that : During fruit expanding stage , the trend of the fruit diameter begins to decline when the RWP is lower than - 30 KPa .

结果表明：在干旱地区，土壤水势在包气带中变化强烈，具有良好的零通量面形成环境。

The results showed that : in arid regions , soil water potential diversifies intensively in vadose zone , so there is good environment for zero flux potentials to develop .

总趋势是随膨压的增加其叶片延伸速率也增大，且温度与土壤水势共同胁迫对玉米叶片延伸速率影响最大。

As the increase of p , leaf extension rate increases and at the same time the co-effects of water stress and temperature on leaf extension rate of maize is biggest .