Trial of combined fertilization for high-quality wheat cultivation in sandy loam soil;
沙壤土种植优质小麦配方施肥试验
Grassland degradation, land salinization and soil desertification(DSD) are typical ecoenvironmental problems in the west of Jilin Province.
基于地理信息系统平台,对吉林省西部1986年、1996年和2000年的土壤沙化、盐碱化和草原退化(简称"三化")专题数据、土地利用状况数据、基础地理数据、人文和经济统计数据等进行融合处理和分析。
Human's irrational development activities have brought serious effects to soil environment,such as desertification,soil erosion,salination,and contamination etc.
人类不合理的开发行为给土壤环境带来了沉重的负面影响 ,主要表现为土壤沙化、土壤侵蚀、土壤盐渍化、土壤污染等。
The soil desertification in northern part of Hebei province is getting moreand more serious.
河北省北部地区土壤沙化有日趋发展之势。
Analyzing the characteristics of desert soil, the paper introduces several key technologies influen- cing desert soil compaction,such as water content control,equipments and its parameters,analyzes the difficulty of roller and self-unloaded truck across the desert soil.
在分析沙漠土壤特殊性质的基础上,探讨了压实中沙土含水量的控制、压实设备的型式及其参数的选择对沙漠土壤压实质量的影响,分析了压路机和自卸车在沙漠土壤上行驶困难的原因。
Laboratory tests of fly ash as a sandy soil amendment and its effects on soil water
粉煤灰改良沙质土壤水分物理性质的室内试验
The results are showed as follow: ①If Artificial zeolite was mixed into sandy soil, it can increase effective moisture of sandy soil for cutting down irrigation water.
得到以下结论:①对于沙质土壤这样透水性大的土壤来说,如果混入人工沸石,可以增大土壤的有效水含量和有效雨量,从而可以减少灌溉用水量。
To find out the amelioration effect of soil physical properties on using fly ash as sandy soil amendment,we compared the effect of different fly ash application rate(0%,10%,20%,30%,40%) on the soil physical properties and structure by means of simulated experiment in laboratory In this study.
为探讨粉煤灰作为沙质土壤改良剂对沙土物理特性的改良效果,通过室内模拟试验比较了粉煤灰不同施用率(0%,10%,20%,30%,40%)对沙质土壤物理性质和结构的影响。
Information on sandy soil C mineralization and its response to a changing environment is therefore required for better understanding of biological feedb.
通过实验室土壤培养试验 ,研究了科尔沁退化沙质草地不同生境 (流动沙地 ,半固定沙地 ,固定沙地和丘间低地 )下土壤碳的矿化潜力及不同凋落物在沙地土壤中的分解。
Discussed in this paper are the spatial distribution pattern of organic C and total N contents of sandy soils in relation to the relative height of soil sampling sites along the transect from irrigated cropland, rainfed cropland and shifting sand, and the vertical distribution in the soil profile of irrigated cropland in Horqin Sandy Land.
如果不考虑灌溉农田和流动沙地土壤 ,旱作农田土壤有机C和全N含量与相对高度的相关性显著程度更高。
One occupies relatively dry sandy loam soils.
一个则占据较干旱的沙壤土。
This soil is very sandy.
这种土壤含沙很多。
Soil Chemical Properties of Sand-fixing Forests in Maowusu Sandland
毛乌素沙地固沙林土壤化学性质差异
The soil here is sandy to a certain degree.
这儿的土壤带有几分沙土性质。
COMPARISON OF THE PHYSICAL-CHEMICAL CHARACTERISTICS OF AEOLIAN SOILS IN THE TAKLAMAKAN DESERT AND THE GURBANTONGGUTE DESERT
新疆两大沙漠风沙土土壤理化特性对比分析
Soil evaporation of aeolian sandy soil in Gurbantunggut Desert;
古尔班通古特沙漠风沙土土壤蒸发特征
The Effect of Short Term Enclosure on the Soil and Plant of a Sandland Ecosystem in Northern Hebei Province and the Characteristics of Soil Seed Bank of the Sandland
短期封育对冀北沙荒地土壤、植被的影响及沙荒地土壤种子库特征
The soil is classified to tidal sandy soil, derived from river alluvium with sandy loam texture.
土壤分类为河流冲积土发育的潮汐沙土，砂壤土质地。
Studies on Effect of Living Sand Barrier Vegetation and Soil Restoration in Horqin Sandy Land;
科尔沁沙地活沙障植被及土壤恢复效应的研究
Soil Quality Evolvement Mechanism of Sand-Fixing Forests in the Area of Yulin in Maowusu Sandland;
榆林毛乌素沙地固沙林地土壤质量演变机制
Influence of dry sand bed thickness on soil moisture evaporation in mobile dune;
流动沙丘干沙层厚度对土壤水分蒸发的影响
About the Application of the Polluted Water in the Process of Defending the Sandstorm and the Desertification;
污水在防治沙尘暴和土壤沙漠化过程中的应用
Study on the modeling supporting system for distributed soil erosion in the region of abundant sediment and coarse sand of the Yellow River
黄河多沙粗沙区分布式土壤流失模型支持系统
The Leaning Tower is leaning because it was built on soft sandy soil.
因为建于松软的沙质土壤，塔才会倾斜。
rich soil that contains sand or soft, wet dirt.
含沙或潮湿松软的肥沃土壤中生长。
They can stop the wind from blowing up sand and earth.
它们能阻止风吹走沙石和土壤。
The problem was one of liquefaction of the sandy soil.
问题是沙质土壤的液化作用。
rainwater washes topsoil into rivers and sands,
雨水把表层土壤冲进河流和沙地，