Surface and subsurface soil changes of the basic agreement.
表层土壤和亚表层的变化规律基本一致。
The interaction of soil changes and climate changes at the global level is emphatically discussed in the paper.
本文着重论述了“土壤变化”与“全球气候变化”之间的相互作用。
The soil shear strain around the nail-soil changes in radial and regional role from top to bottom of the nail is symmetry.
土钉周围土体剪应变逐渐以径向为主，作用区域上下对称。
There's unpredictable weather, changes in soil quality, and the ever-present possibility that pests and diseases may pay a visit.
天气不可预测，土壤质量发生变化，害虫和疾病随时都可能出现。
It changes soil, preserves food, inspires polar explorers and gives hope to those in search of resurrection now that bodies can be preserved in liquid nitrogen.
它可以改变土壤状况，保存食物，激励极地探险，给予那些保存在液氮的人们再次复苏的希望。
Though it is di? Cult to grow trees in the saline-alkali soil, the ground cover and wetland vegetation are rich and vary in response to subtle changes in the water table and PH values.
尽管难以在盐碱地里栽种树木，但覆盖地表和湿地的植被异常丰富，随着地下水位和PH值的细微变化而呈现不同的形态。
Color differences are most likely due to regional changes in surface composition or the sizes and structures of the grains in the moon's icy soil.
颜色的差异很可能是因为卫星表面冻土的成分或者粒度与结构的区域性变化。
In some parts of the county, terracing and crop changes have cut soil erosion by more than 40 percent, according to Piet van der Poel, with the EU project.
Pietvan der Poel说，通过这一欧盟项目，该县部分地区采取梯田耕种和作物换种减少水土流失40%多。
Worst of all, the physical structure changes if the top soil erodes, making it harder for the land to retain water or fertiliser.
最糟糕的是土壤物理结构的变化，如果表层土壤侵蚀，土壤更难保水保肥。
The researchers analyzed published estimates of changes in soil organic carbon in landscapes converted from natural or agricultural land to biofuel crops.
研究者们分析了已出版的，有关在野地和农田里改种燃料作物后，土壤中有机碳的变化的评估。
Soil quality comprehensively reflects soil properties and is the most sensitive indicator mirroring dynamic changes of soil condition under the influences of human activities.
土壤质量是土壤特性的综合反映，是揭示人类活动影响下的土壤动态变化的最敏感的指标。
Global warming will bring about changes to insect populations, flooding and soil erosion.
全球变暖会引起一系列的变化，例如虫害、洪水、土壤侵蚀等。
Soil moisture regimen changes with different localities of topography in Maowuse transition zone from sandy land to desert.
毛乌素沙地过渡地带沙地生态系统土壤湿度状况随着地貌部位不同而变化。
On the premise of identity for site conditions, the annual dynamic changes of soil nutrients under larch plantation were studied.
在立地条件一致的前提下，研究了落叶松人工林土壤养分含量的年动态变化趋势。
The annual changes rule of soil and leaf mineral element contents of early bearing walnut were studied.
查明了土壤和早实薄皮核桃叶片主要矿质元素含量的年变化规律。
Changes in soil physical properties along the river gradients.
干旱河谷的土壤物理退化呈现地段性差异。
To investigate the changes of soil hydrolase activities under application of corn straws with manure, N and P fertilizer, a field experiment was conducted.
通过田间试验，进行了玉米秸秆与厩肥、N肥和P肥配合施入农田后土壤中水解类酶活性变化的研究。
The dynamic changes of soil microbial biomass Carbon (c) and soil enzyme activities during growth of corn were studied in field experiment.
采用大田试验法研究了玉米生育期内土壤微生物量碳和酶活性动态变化特征。
Taking bare surface as CK, this paper discussed effect of straw-mulch during wheat stage on soil water dynamic changes and yield of summer maize.
以不覆盖的处理为对照，研究了冬小麦期覆盖秸秆对夏玉米土壤水分动态变化及产量的影响。
In the irrigated areas, the soil salinity changes seasonally and decreases as a whole along with the process of irrigation and drainage.
在灌区内土壤盐分随灌溉和排水而呈现季节性变化，但整体上处于脱盐状态。
An experiment was carried out to study changes in soil moisture in winter wheat field under the conditions of drip irrigation, furrow and ridge planting.
试验在池栽条件下研究了滴灌与垄沟耕作条件下冬小麦田间土壤水分的动态变化。
A field experiments was conducted to study soil moisture and water potential changes in farmlands with a shallow water table during summer maize and winter wheat seasons.
通过对夏玉米和冬小麦生长季节期间土壤水动态观测试验，探讨了地下水浅埋条件下土壤水动态的变化规律。
Soil quality changes in a larger environment, soil type and environmental pollutants increase in the volume of the geographical scale and gradually expand further hardly.
土壤环境质量变化较大，土壤环境污染物种类和数量不断增加，发生的地域和规模在逐渐扩大，危害也进一步深入。
The roof material was selected to reflect the colour of the soil particular to this site and the seasonal changes in vegetation.
小屋的屋顶材料体现了该平原的土地颜色，同时也能够随着植被的颜色进行季节性变换。
The regular patterns of soil temperature changes with the time and lo-cations are analysed.
分析了土温随时间、空间而变化的规律。
In saline meadows. the floristic composition and the population character of A. sparsifolia varies with the changes in soil water and salt conditions.
其群落的植物种类组成和种群特性，随着土壤水、盐状况的改变而有较明显的差异。
The simulating models about the change of soil water content under plastic mulch were established by analysing the changes of soil water balance after mulching.
通过分析地膜覆盖后土壤水分平衡的变化特点，建立了地膜覆盖前后农田土壤湿度变化的模拟方程。
Soil enzyme activity varied obviously with duration of vegetable plantation and could be cited as a sensitive indicator of changes in soil quality.
不同利用年限菜地土壤酶活性变化幅度较大，能够更为敏感的指示土壤质量的变化。
Soil enzyme activity varied obviously with duration of vegetable plantation and could be cited as a sensitive indicator of changes in soil quality.
不同利用年限菜地土壤酶活性变化幅度较大，能够更为敏感的指示土壤质量的变化。
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