对樟子松人工林群落结构和土壤水分动态进行研究。
The community structure and dynamics of soil water of Pinus sylvestris var. of the mongolica plantation were studied in a growing season.
不同耕作处理能影响土壤水分剖面分布。
Tillage treatments affect soil water distribution in soil profile.
护根物可以抑制杂草生长，保持土壤水分。
大豆覆膜增加了土壤水分与速效养分含量。
It increased plough layer soil water and available nutrients content.
土壤水分预报是农田适时适量灌水的基础。
Soil water content forecast is base work for cropland irrigation timely.
用神经网络建立土壤水分预测模型的方法是可行的。
The method of building soil water forecast model with neural network is available.
土壤水分与肥料是影响作物产量与品质的重要因子。
The soil humidity and fertilizer dosages are important factors that affect the farm crop yield and qualities.
综述了土壤水分对冬小麦水分利用特性及产量的影响。
In this paper, the effects of soil water on water using traits and yield.
在土壤水分检测的各种方法中，传感器法具有许多优点。
Sensor methods have many advantages in soil moisture detection compare with other ways.
与常规耕作方式相比，随着秸秆覆盖量增加，土壤水分增加。
Compared with conventional tillage method, the mulch tillage practice increased soil water content.
牧草产量的高低与冷季降水及土壤水分条件有一定的联系性。
There is a positive relationship between cold season precipitation, soil moisture condition and herbage production.
土壤水分和钾用量能提高叶片栅栏组织和海绵组织的含钾量。
Soil moisture and potassium amount could improve potassium content of palisade tissue and spongy tissue.
土壤水分特征曲线是土壤水分运动研究必不可少的环节之一。
The water retention curve is one of the essential links to study the soil water movement.
在理论上，预计熏蒸剂的分配在土壤水分含量较低时会更迅速。
Theoretically, one would expect the distribution of a fumigant to be more rapid at lower soil water contents.
标准配置：土壤水分探头，手持土壤水分采集读数表，充电器。
In standard configuration: soil moisture probe, a soil moisture readings collected form, charger.
随着土壤水分含量的提高，植株对矿质元素的吸收量显著提高。
With the improvement of the content of soil moisture, the mineral nutrition uptake amount improves notably.
结果表明：光合速率和叶绿素含量均随土壤水分的减少而呈下降趋势。
The results showed that the content of chlorophyll and photosynthetic rate were decreased with soil water decreasing.
田间土壤水分、盐分和温度变化使水、盐、热耦合迁移的过程极其复杂。
The variation of soil water, salinity and temperature in the field makes the coupled transport processes of them very complicated.
过去研究在作物适宜灌水时期，多以作物生物学特性及土壤水分为标准。
In the past, studying on the suitable period for crop irrigation, the biological characteristics of crops and soil moisture were used as their standards.
在整个入渗过程中，土壤水分入渗性能随着开垦年限的延长呈下降趋势。
The permeability of soil showed downtrend along with the period of tillage prolonged during the whole infiltration process.
准确预测和预报田间土壤水分的动态变化过程是土壤水分高效利用的关键。
To predict accurately the dynamic movement of soil water is a key for high-efficient use of soil water.
通过对土壤水分垂直变异的分析，探讨了贵州岩溶地区黄壤坡地的土壤水分特性。
In this paper, soil moisture vertical variance was used to analyze the moisture characteristic of soil in yellow soil sloping field of GuizhouProvince.
研究结果表明，影响该地区土壤水分含量的因子按大小依次为坡向、土壤、坡度和坡位。
The results showed that factors influencing soil water followed a descending order of slope direction, soil, degree of slope and position of slope .
为了保证土壤水分动态的测定精度对森林土壤水分变异性进行了研究，以合理确定样点数。
The number of sampling points on variation of forest soil were determined for given estimating precisions of dynamic state of forest soil water.
种植密度对籽粒产量土壤水分利用效率影响不明显，但对生物产量土壤水分利用效率影响明显。
The plant density is not obvious to the grain yield soil moisture use efficiency influence, but is obvious to the biological yield soil moisture use efficiency influence.
种植密度对籽粒产量土壤水分利用效率影响不明显，但对生物产量土壤水分利用效率影响明显。
The plant density is not obvious to the grain yield soil moisture use efficiency influence, but is obvious to the biological yield soil moisture use efficiency influence.
应用推荐