另外,土壤水分含量也具有季节变动性。
The woodlands have little change in moisture content compared with the agricultural land.
土样分析结果显示,深层土壤水分含量受岩性控制。
The core sample analyses indicate that soil moisture of the deep lager is controlled by the corresponding soil lithology.
土壤初始含水量越低,降雨使土壤水分含量增量越大。
Rainfall made soil increase more water if the initial soil water content lower.
不同土壤水分含量对4个树种的耗水特性有不同的影响。
Different soil water content had affected on 4 species water consumption character.
不同土壤水分含量对4个树种的生长特性有不同的影响。
Different soil water content had affected 4 species trees growing.
覆盖草帘较覆盖地膜处理土壤水分含量高,变化幅度小。
Soil water content with straw mulch was higher than polythene, the range of changes is small.
气温、空气湿度和太阳辐射对土壤水分含量有显著影响;
The soil water is affected remarkably by air temperature, air humidity and sun radiation.
土壤水分含量对银杏叶中黄酮、内酯含量产生了显著的影响。
There were significant effects of soil water content on flavonoid, terpene lactone and endogenous hormones concentration of l Ginkgo leaf.
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.
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.
黄土区集水枣园果实开始萎蔫时的土壤水分含量在6 %左右。
The soil water content when fruit began wilting in water-collecting garden in loess hills area was about 6 percent.
随着土壤温度的降低,土壤水分含量在晚上会出现略有增加的情况。
Along with temperature decreasing at night, soil water content would increases slightly.
阐述了降雨量、前期土壤水分含量和下渗历时与水分下渗深度的关系。
The relations between rainfalls, contents of soil water before rainfall, time of infiltration and depth of infiltration were described.
大棚内麻地膜覆盖可显著增加土壤水分含量,增加土壤微生物数量,提高土壤养分。
It can remarkably enhance the soil water, boost the number of microorganisms, and elevate the soil nutrients as well.
合理地控制土壤水分含量,协调地上部分和地下部分的生长是此期生产管理的重要环节。
It is important element of production management to control soil water content reasonably and harmonize growth between root and stem at this stage.
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 .
在观测期,土壤剖面各土层土壤水分含量在随时间变化呈现减少趋势,与降水量关系显著;
During observation period, the soil moisture of each layer presents to reduce trend with various time, and it is closely related with rainfall.
还利用建立的模型,模拟了2080年的气候条件变化对潜在蒸散量和土壤水分含量的影响。
The impacts of climate on potential evapotranspiration and soil water content under 2080's climatic condition were simulated with the model.
对桂西北不同类型柑橘果园的土壤水分含量及柑橘枝梢生长情况、果实品质等进行了观测和分析。
The present investigation dealt with contents of moisture, growth of yang tips and citrus quality from newly established citrus orchards in the Northwest of Guangxi Zhuang Autonomous Region.
土壤水分含量是土壤的一项重要指标,它在农业的生产、灌溉以及基础理论研究中具有重要作用。
The moisture content of soil is one important indicator of soil which plays an indispensable action in the production and irrigation of agriculture and research of basal theory.
主要探讨了BP保水剂、地膜覆盖和有机肥等丰产措施对山坡地土壤水分含量及冬小麦产量的影响。
It was investigated that the soil water content and winter wheat yield affected by the means of BP anti drought reagent, plastic film mulch or organic fertilizer.
覆盖能提高土壤水分含量1%左右,但主要体现在降雨月份上,在非降雨月份或少降雨月份覆盖效果不显著。
Grass covering raised the moisture of the soil nearly by 1%, which most reflected the month of precipitation, there was no difference of grass covering in the non-rainfall or less rainfall month.
由于土壤水分含量受众多因素的影响,空间变异性很大,给土壤水分含量空间分布的研究带来了很大的困难。
It is very difficult to study soil moisture spatial distribution because of its great spatial variability affected by many factors.
通过对模型的仿真分析发现,EC-5传感器测得的土壤水分含量随温度变化的趋势与土壤电导率密切相关。
The simulation based on the model shows that the variation tendency of soil moisture content with temperature measured by the EC-5 sensor is closely related to the soil electrical conductivity.
根据田间试验资料,系统地分析了棉花耗水量、产量、边际产量、土壤水分含量、棉花水分利用效率之间的关系。
Based on the experimental data, the relationships between water consumption, yield, marginal yield, water use efficiency and soil water content are systematically analyzed.
随着土壤深度增加,不同覆盖处理之间土壤水分含量差异增大。4种材料覆盖均有利于降低土壤容重,其中以秸秆效果最显著。
However, the difference of soil moisture increase with the soil depth among 4 mulching materials. All mulching can decrease soil unit weight. And straw mulching has the most effects.
用中子仪测定土壤水分含量和变化量,分析计算水文地质参数,所得结果与其它方法测定值相近,可以认为中子仪测定水文地质参数是一种新的手段和方法。
To calculate the above parameters, water content in soil and its variety were measured by a neutron probe. This method is simple and the results are close to those obtained using other methods.
蛋白质含量最低值和产量最高值之间对应的施氮量为产量和 蛋白质含量在土壤水分含量为田间最大持水量的50%和60%条件下协同变化的施氮量区间。
The nitrogen between minimum protein content and maximum yield were the nitrogen of coordinated variation of yield and grain protein content in 50% or 60% of soil water content.
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.
叶片的叶绿素含量对土壤水分状况较为敏感,5种水分处理下苗木叶片的叶绿素含量有较大的差异。
The content of leaf chlorophyll was sensitive to soil moisture, under 5 kinds of different soil moisture status and the content of leaf chlorophyll was distinct.
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