这些地区大多数为酸性热带旱地土壤。
Most of these areas are occupied by acid tropical upland soils.
这些地区大多数为酸性热带旱地土壤。
They are more prevalent in soils of the tropical and subtropical regions.
贵州农业土壤硫素输入和输出比较，旱地土壤潜在缺硫。
Compared input and output of s in cultivated soil of Guizhou province, there was problems of potential sulfur deficiency in upland soil.
旱地土壤淹水种稻后的甲烷释放量是黄松土>黄筋泥>成泥土。
Planting of rice was greatly contributed to emission of methane.
用湖北省5种旱地土壤进行了土壤热水溶性硼(HWSB)植物有效性试验。
The plant availability of soil hot-water soluble boron (HWSB) was tested 5 different arid soils in Hubei province.
旱地土壤电超滤-氮和磷中无机与有机组分的分配和解吸溶解动态有很大的不同。
The distribution and desorption (dissolution) rate of inorganic and organic fractious in soil EUF-total N (EUF-N_T) are quite different from those in EUF-P_T.
就整个麦豆轮作生态系统而言，旱地土壤分别是大气n_2o、CH_4的源汇。
Dryland soil is atmospheric N_2O source and is sink of atmospheric CH_4.
在旱地土壤肥力低的条件下，一次施适量氮肥，可促进小麦增产，增强植物的抗旱性。
Under lower fertility conditions, the fertilization with the appropriate amount of nitrogen in this area could increase wheat yield and enhance wheat drought resistance.
对水田和旱地土壤进行不同施肥(尿素、农用稀土)处理后，测定其氧化亚氮排放通量。
By coping rice soil and dry land soil with different fertilization (urea and agriculture application REEs), The flux of nitrous oxide was determined.
同一母质发育的旱地土壤和水田土壤的全锰和有效锰含量在土壤剖面中的分布明显不同。
The contents and profile distributions of total Mn and available Mn of the dryland soil and paddy soil derived from the identical parent material were remarkably different.
通过对土壤呼吸强度和土壤酶活性的测定，研究了新型杀虫剂啶虫脒对旱地土壤生物活性的影响。
Effect of a new pesticide, acetamiprid, on biological activity in upland soil was studied through analysis of soil enzyme activities and soil respiration.
利用定位观测数据，对四川中部丘陵地区不同种植模式下旱地土壤水分变化规律进行了初步研究。
Based on the data of observation in fixed location, the pilot study on the law of soil moisture variation in different cropping patterns on dryland in hilly area of Central Sichuan has been done.
目前有资料表明，我国水稻土具有比旱地土壤较高的表土有机碳密度，且近20年来存在着升高的趋势。
Some data indicate that the soil organic carbon density of paddy soil is higher than that of dry cropland soil in China, and has an increasing tendency over the last 20 years.
针对紫色旱地土壤抗旱性能较差的特点，初步进行了使用高分子有机聚合物来提高土壤抗旱能力的研究。
Concerning the weak drought resistance character of the upland purple soil, the paper studied the effect of the soil drought resistance enhancement by using the high polymers.
分析数据表明，该区旱地土壤潜在肥力较低，有机质含量差异较大，大部分土壤氮、磷、钾养分供应不足。
The analytical data revealed that the potential fertility of the dryland soils was rather low, such as nitrogen, phosphorus and potassium content in soil were deficient on the whole.
绿色者栖居在覆盖着青草的地区和相对潮湿的土壤，但粉红色喜欢花园、干旱地区和林地。
The greens inhabit areas covered with grass and relatively wet soils, but the pink morphs prefer gardens, drier areas, and woodlands.
大多数旱地作物，如玉米和棉花不能在被水饱和的土壤中存活，因为氧的含量大大减少了。
Most upland crops such as corn and cotton cannot survive in soils that are water-saturated because of the greatly reduced oxygen content.
田间试验研究了西北干旱半干旱地区地膜覆盖对土壤中n 2o排放通量变化的影响。
Field experiments was used to study the change of soil N2O discharge flux in the northwestern arid and semi-arid areas.
适宜播种密度和播期有利于土壤水分的优化利用和水分利用效率的提高，可促进旱地马铃薯增产。
The suitable planting density and time of sowing are favor of optimum use of soil water and improving water use efficiency, and make potato increasing its output.
在黄土高原半干旱地区：白天，潜热通量在净辐射通量的分配中所占的份额最大，其次为感热通量，土壤热通量最小。
In loess plateau, at the daytime, the net radiation contributes mainly to the latent heat flux, the sensible heat flux is minor and the soil heat flux is least.
这项技术突出的特点是：把解决旱地冬小麦生长期缺水问题的重点放在降雨高峰期，将天然降雨蓄、盖、聚在土壤中，并与冬小麦全生育期地膜覆盖穴播有机的结合起来。
Key point of the technique is to solve water shortage during winter wheat growing period by collecting water from peak rainfall in summer fallow season and storing it in the soil bank.
模拟结果令人满意，其相对误差小于5 %，可用于旱地地膜春小麦的土壤水分监测和指导补充灌溉。
The results of simulation was satisfactory, the relative error is less than 5%. They could be used to monitor soil moisture condition and to guide supplementary irrigation.
旱地农业生产的主要限制因素是水分亏缺和土壤贫瘠。
Water deficit and soil infertile is the main limited factor in arid agricultural production.
采用田间小区试验研究了黑色液膜覆盖旱地冬小麦对土壤微生境及产量的影响。
A field experiment was conducted to study the influence of black fluid-film mulched covered winter wheat in dry land on soil microhabitats and yield.
通过以上两个方面提高土壤水分生产效率，建成旱地棉花高质量群体。
The efficiency of soil moisture production could be increased by the above two methods to establish a cotton population of high quality in dry land.
在干旱地区土壤中的粘粒矿物组成是影响土壤物理和化学特性的重要因素之一。
Clay mineral compositions are one of important factors that influencing the chemical and physical characteristics of soils in the arid regions.
以辽宁省主要旱地作物玉米为研究对象，研究了其灌溉田土壤水分变化及其耗水规律。
We have studied the change law of soil moisture and evapotranspiration in irrigated farmland of corn which is the principal crop of dry farmland in Liaoning province.
在干旱地区，土壤深层储水可以调节植物用水，但是人工苜蓿从土壤深层吸收大量水分导致土壤干燥化的发生。
In the arid area, the storage water in deep layers of soil can adjust water utilization of plants, but artificial alfalfa can absorb lots of water from deep layers and lead to soil desiccation.
针对干旱地区平原绿洲水土资源利用的特点，建立了以农区土壤水为中心的干旱区平原绿洲散耗型水文模型。
According to the characteristics of the water and land resources utilization of arid plain oasis, a hydrological model based on agriculture area soil water movement is established.
针对干旱地区平原绿洲水土资源利用的特点，建立了以农区土壤水为中心的干旱区平原绿洲散耗型水文模型。
According to the characteristics of the water and land resources utilization of arid plain oasis, a hydrological model based on agriculture area soil water movement is established.
应用推荐