soil water content

The observations included the micrometeorology, radiation, eddy covariance observation systems and soil water content profiles.

观测系统主要包括:常规气象 、 辐射 、 涡度相关法观测系统以及土壤水分观测剖面.

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The results showed that soil water content was ranked as follows : Plow + mulch > mulch > plow > fallow.

结果表明:土壤含水量耕翻覆盖地>覆盖地>耕翻地>裸露休闲地.

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Characteristics of gas exchange in sweet potato leaf under different soil water content and fertilization

土壤水分和施肥水平对甘薯叶片气体交换的影响

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These show that the slag wastelands have little water accumulation and high evaporative power, alkaline soil, the low content of organic matter, N, P, K.

这表明矿渣废弃地渗透系数大，蓄水量少而蒸发失水强烈，抗旱力弱；碱性较强，土壤有机质、N、P、K含量低；

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An increase in soil water content would decrease their movement.

土壤水分含量的增加将减低它们的移动.

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Aim at the soil water content measurement, soil water content measuring method based on Time Domain Reflectometry ( TDR), and time interval measuring method and technology of narrow pulse generation are researched and the experiment platform is established.

本文以土壤含水量的测量为研究对象，研究一种基于时域反射法、小时间测量方法和窄脉冲产生技术的土壤含水量测量方法，并搭建了实验平台。

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Effect of soil bulk electrical conductivity on time domain reflectometry measurement of soil water content

土壤电导率对时域反射仪测定土壤水分的影响

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The proportion of biomass increment distributed to root increased with decreasing soil water content, and the proportion allocated to stem and leaf decreased.

4品系生物量增量分配到根系的比例逐渐增大，而分配到茎和叶中的比例则逐渐减少。

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The effects of different soil water content, depth of sowing and dose of fomesafen on dayflower emergence were studied.

通过提供不同外界环境条件的方法，研究了土壤含水量、播种深度及除草剂虎威对鸭跖草出苗的影响。

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Taking "L402" as the test material, the effect of soil water content on tomato growth, yield and quality was studied.

以L402为试验材料，研究了土壤水分对番茄生长发育及产量品质的影响。

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Considering the effects of solar altitude angle and soil water content, a two-factor parameterization formula of surface albedo was developed preliminarily.

据此，建立了内蒙古荒漠草原晴天地表反照率随太阳高度角与土壤含水量变化的双因子参数化方案。

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With soil water content improving, increased the content of soil nutrient among fertilizer treatments.

在同一施肥条件下，随着土壤水分的增加，土壤养分含量增加。

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During the growing season, the soil water content from 0-200 cm of vegetated sites was closely related to precipitation, but the barren slope was different. Soil water content under bare soil remained relatively high ( 12%) throughout the growing season.

各植被类型立地0&200cm土壤水分的季节变化与降水量的季节分布一致，但对照裸坡地整个生长季土壤水分呈波动变化，平均土壤含水量维持在12%左右的较高水平。

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At soil water content 60%~ 75% field water capacity ( θ F), the transpiration rate and photosynthetic rate of plants were higher then others, and the prophase yields were the highest.

土壤含水量为60%～75%田间持水量（θF）的植株叶片蒸腾和光合速率均居于较高水平，前期产量最高；

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Soil water content has notable influence on the materials degradable and the higher water content has, the faster degradable speed is. The material on the sand surface is degraded faster than which in the sand.

土壤水分含量对材料降解也有显著影响，且水分含量越高，降解速度越快，且沙表快于沙内。

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Mulching with straw increased soil water content air relative humidity, air temperature but decreased soil temperature.

姜田地面覆草可显著增加土壤含水量,降低地温,提高空气相对湿度, 但使气温稍升.

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Effect of Soil Saline Type and Concentration as well as Soil Water Content on the Growth Characteristics of Switchgrass at the Vegetative Stage on Two Soil Matrixes

盐分和土壤含水量对营养生长期柳枝稷的影响

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The movement of soil water achieved the temporary balance in 24 h after stopping irrigation. Subsequently the change of the soil water content became very small, and the wetting front was kept nearly un-expanded.

灌溉结束24h后土壤水分运动达到暂时的平衡，此后土壤含水量变化很小，土壤湿润锋几乎不再扩展。

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The Model of Soil Water Content Monitoring by Thermal Infrared Remote Sensing and Its Application

热红外遥感监测土壤含水量模型及其应用

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The soil water content of ubac and adret in coal exploitation area declined 18.0% and 23.4% respectively as much as those in non-exploitation area.

采煤区林地阴、阳坡土壤含水量比非采煤区分别降低18.0%和23.4%；

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Association analysis think the amount of precipitation of this year and last year precipitation influence soil water content greatly;

气候因子与土壤含水量的关联度分析得出前一年、当年降水量与土壤含水量关系最为密切；

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Meanwhile, the content of soil water-stable granular structure tended to be lower.

土壤团粒结构含量偏低。

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The method of using soil moisture meter TDR in the simultaneous measurements of soil water content and soil salinity is provided.

提供了用TDR土壤水分测试仪在测试土壤含水率的同时可测到土壤含盐总量的方法。

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Distichum. The relative height growth, relative ground diameter growth and biomass increment decreased with increase of soil salt content and decrease of soil water content.

落羽杉相对高生长、相对地径生长和生物量增量随着土壤盐分浓度的增加和土壤水分含量的减少而减少。

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The main environmental factors determining distribution of various kinds of bryophyte communities are soil water content and annual rainfall.

通过定量分析可知，决定上述苔藓植物群落类型分布的环境因子主要是土壤含水量和降水量。

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The water content distribution in loess soil on temperature gradient

温度作用下黄土含水量分布的实验研究

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Species water consumption are obvious different in days, ten-day periods and monthly under same soil water content and same environment.

在相同土壤水分和相同的大气环境因子下，4个树种的日、旬、月耗水量有显著差异。

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The relativity of soil water content in different types and roots biomass of Artemisa arenaria is remarkable.

在不同类型沙地上，沙蒿根系生物量与土壤含水量之间均相关紧密。

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All three patterns could abate the effect of rain splash erosion on loose top soil, enhance soil water content and vegetation coverage and promote the formation of the stable harmonious community of forest and grass.

三种模式均能有效地减轻雨滴对疏松表土的溅蚀，提高了土壤含水率和植被覆盖度，利于形成林草和谐共生的稳定群落。

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The space time variation of soil water content has been predicted based on BP neural network.

根据一维水平入渗实验5个时刻的土壤含水量剖面，运用BP网络，对土壤含水量的时空变化进行了预测；

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