In this paper, we explore the application of ground penetration radar on soil layers detecting and soil volumetric water content measurement through one sandy loamy soil trough experiment. 通过砂壤土人工土槽试验,对探地雷达技术在土壤剖面特征探测和土壤含水量测定方面的应用展开了研究。
Relationships of Humus Compositions and Fertility under Long term Fertilization on Lou Soil and Yellow Loamy Soil ?土和黄绵土长期施肥的腐殖质组分及其与肥力的关系
Effect of the soil tillage practies of summer fallow period of light loamy soil on wheat yield and water use efficiency 土壤耕作方式对小麦产量及水分利用的影响
Strawberries grow well in loamy soil that lets water pass through easily. 草莓在壤土性的土壤中会生长得很好,因为水能更容易的流过。
Heterogeneity Analysis of Particle Size Distribution for Loamy Soil Based on Multifractal Theory 基于多重分形理论的壤土粒径分布非均匀性分析
A sand snake of southwestern United States; lives in fine to coarse sand or loamy soil in which it` swims '; banding resembles that of coral snakes. 一种产于美国西南部的沙蛇;生活在细沙或粗沙或漂浮在肥沃的土壤上;带条纹形似银环蛇。
A study on retardation factor of atrazine in a sandy loamy soil 砂质壤土中农药阿特拉津阻滞因子的研究
Higher buffer power for Nmin accumulation was found in wheat crop and in loamy soil than in corn crop and in sandy soils. 种植小麦时土壤缓冲力大于种植玉米时,壤质土壤对施用氮肥的缓冲力大于砂质土壤。
The effect of successive fertilization on the yellow loamy soil 黄绵土在连续施肥下的肥料效应
This paper deals with the effect of application of organic materials on the properties of humic substances in organo-mineral complexes ( organic matter in heavy fraction) of silt loamy chernozem and clay loamy light saline meadow soil with field, pot and culture experiment for two years. 通过在粉壤质黑钙土和粘壤质轻度盐化草甸土上进行田间、盆栽及培养试验,研究了施用各种有机物料后两年来重组有机质的变化状况。
Field experiments for optimizing N rate were carried out to study the yield, nitrogen uptake and residual nitrate in soil profile in 1999 and 2000 in the meadow loamy soil in Xiangyun county, Yunnan province. 1999年至2000年在云南省祥云县草甸土壤上进行高产玉米的不同水平氮肥调控试验,对玉米高产栽培在产量、氮素吸收量及其相应的土壤剖面硝酸盐残留进行研究。
The ratio of the maximum wetted distance in the horizontal to that in the vertical direction in the clay loamy soil, is bigger than that in the sand loam. 湿润体近似为六分之一的竖直椭球体,但黏壤土水平与垂直最大湿润距离之比大于砂壤土。
Upwelling gully irrigation mainly fits in with medium loamy soil, light loamy soil and sandy loamy soil. 涌流沟灌适宜的土壤主要为结构良好的中壤土、轻壤土和砂壤土。
The Effect Relationship Between Nitrogen and Potash Fertilization for Winter Wheat in Middle-High Fertilizer Loamy Soil 中高肥力壤土小麦氮钾肥相互效应关系定量研究
In addition, the Cadmium adsorption processes of the sandy loamy soil was endothermic, however the clay loamy soil's was exothermic. 此外,砂质壤土吸附Cd~(2+)时呈现吸热过程,而粘壤土吸附Cd~(2+)时呈现放热过程。
The loamy soil and gravel soil of aridisol order should be distinguished due to their large area, wide distribution and different direction of land utilization. 在土壤系统分类研究中,干旱土纲是其重点的研究课题之一。干旱土纲的壤质与砂砾质土壤,由于面积大、分布广、土地利用方向不同,要求我们划分出来;
In the silty loamy soil derived from shallow sea deposit, soil electric conductivity ( EC) could increase to a critical level of crop injury by plantation of 3 vegetable crops successively in plastic film covered house using high salt stress organic and inorganic compound fertilizer. 浅海沉积物发育的小粉土,大棚内连续种植3季蔬菜不揭膜,施用高盐胁迫型有机无机复混肥可使土壤的电导率达到作物盐害临界值。
The alkaline phosphatase activity in light clayey soil is higher than that in light loamy soil, also is higher in poor-phosphate soil than in rich-phosphate soil. 轻壤质土壤中碱性酸酶活性低于轻粘质土壤中的酶活性。贫磷土壤中磷酸酶活性高于富磷土壤中磷酸酶的活性。
Effect of Base to dressing Ratio of Nitrogen Fertilizer on Wheat Yield and Quality in Light-loamy Chao Soil 轻壤质潮土氮肥基追比对小麦产量与品质的影响
Study on Simulation of Adsorption, Degradation and Transportation of Pesticide Butachlor in Sandy Loamy Soil 农药丁草胺在砂质壤土中吸附、降解和运移规律的模拟磺胺二甲嘧啶及其主要代谢产物在砂质壤土中转归的研究
The addition of NH4+ increased ARk for the blue clayey paddy soil but decreased ARk for the fluviogenic loamy paddy soil, and for the silt loamy paddy soil it increased ARk at low range of ARk and decreased the ARk value at high range of ARk. 加NH4~+使青紫泥AR~K提高、泥质田AR~K降低、粉泥田在低AR~K时提高而高AR~K时降低;
The results showed that water storage content of every main soil layer covered from 0 to 200 cm was mediate clay soil> mediate loamy soil> light loamy soil under conventional tillage practices of different soil texture after through an idle summer. 结果表明:夏闲制不同土壤质地的传统土壤耕作方式,小麦播前0~200cm的各主要土壤层面的贮水量为中粘土>中壤土>轻壤土;
By the control of the cement, sand-gravel aggregate, reinforcing steel, loamy soil and the means of experiment in the use of the repairing project of the culvert passing Zhang River spoiled by devastating flood, it has been completed auspiciously. 通过对穿漳涵洞水毁修复工程所用水泥、砂砾石骨料、钢筋、壤土等材料以及试验手段的控制,保证了该项工程的顺利完成。
With the experiment result on Sarpy loamy soil and Geary mealy loamy soil listed in reference [ 1], the conclusion is verified. 用文献〔1〕提供的萨庇(Sarpy)壤土和吉里(Geary)粉壤上实验成果,对文中结论做了验证。
The sequence of maximum phosphate adsorption among paddy soils tested was Yellow mud field> Miry soil> Well drained paddy soil> Loamy sand soil> Salinized paddy soil. 几种水稻土的最大吸附磷量依次为:黄泥田>淤泥土>黄泥土>夹砂土>砂性轻盐土;
Results showed that the content of available P increased in loamy soil by application of N and P under the content of soil water ( 11%~ 14%), and content of soil available P decreased with the depth of soil increase. 结果表明,在中壤质土壤含水量11%~14%的情况下,不同N、P配比明显增加了土壤剖面中速效P的含量,但随着土壤深度的增加,土壤速效P呈不断下降的趋势。
There is a significantly decrease of infiltration rate of diesel oil in loamy soil as the increase of bulk density. 随着壤土容重的增加,柴油的入渗速率明显下降。
In the Cd moderately contaminated acidity alluvial loamy paddy soil, grain yield increased with increasing red mud application and then decreased. 在中轻度Cd污染的酸性潮泥田上,稻谷产量随赤泥施用量的增加均呈先增加后下降的变化趋势。