壤土
- loam;land;doras
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(1) [loam]∶细砂和粘土含量不相上下的土壤,适于种植各种植物
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(2) [land]∶田土;国土;泥土
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把种子种在好的壤土里。
Plant the seeds in good loam .
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砂土中Cd、Pb可交换态含量高于壤土和粘土。
The contents of Cd and Pb of the exchange form in sandy soil were higher than in loam and clay soil .
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壤土是由大约等份的黏土、沙和粉砂合成的。
Loam is a soil with roughly equal proportions of clay , sand and silt .
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渗滤液灌溉粘壤土后含水率对N2O释放的影响
Influences of the water content on N_2O releasing after leachate irrigating clay loam
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该文以黄绵土(质地为粉质壤土)为试验材料,通过室内模拟降雨试验研究了雨强对坡地P随径流流失的影响。
Impacts of rainfall intensities on P loss from loessial slope land were studied using loessial soil with texture of silty loam and through simulated laboratory rainfall experiments .
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NaCl对粉壤土氨挥发及硝化、反硝化的影响
Effect of NaCl on Ammonia Volatilization , Nitrification and De nitrification in Silt Loam Soil
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红土壤与有机质含量高的肥土比一般壤土地MND制剂处理谷种浓度要高。D.深厚壤土;红壤土区麦茬地免耕种玉米的效应研究
Research on Effect of Seeding Corn Without Ploughing Wheat Fields in Red Soil Area
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基于电流-电压四端法的polar-dipolearray形式,以壤土作为研究对象,对土壤含水率和土壤盐分与土壤电导率之间的相互关系进行了试验研究。
By using one type of four electrode sensors , called polar dipole array , the relationship among soil water content , soil salinity and soil electrical conductivity was investigated .
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按土壤类型划分,水稻土土类重金属含量高于赤红壤土类(Hg除外);
In terms of content of heavy metals ( except for Mercury ) paddy soils > lateritic red earth , according to soils type ;
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大肠杆菌在饱和砂质壤土中非平衡运移的CDE数学模型模拟
Non-equilibrium transport of Escherichia coli through saturated sandy loam and its simulation with CDE model
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取样土壤为灰质砂壤土,pH8.4(H2O),位于南澳大利亚的埃文。
The soil , a calcareous sandy loam , pH 8.4 ( H_2O ) was collected from Avon , South Australia .
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不同浓度Cd、Pb处理,壤土中的土壤酶活性较高,粘土次之,砂土最低。
With the treatments of different concentrations of Cd and Pb , the soil enzyme activity was much higher in loam , less in clay , and the lowest in sandy soil .
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比较两种质地土壤,在相同容重下在砂壤中PCE的饱和度较重壤土中的大。
The PCE saturation in clay sandy was higher than that in the clay loam at the same bulk density .
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随着幼苗的季节生长,与环境CO2浓度比较,CO2倍增将导致土壤剖面上CO2浓度最大区域由表面向壤土和沙土边界层的转移。
Compared with the ambient CO 2 , elevated CO 2 led to the peak of CO 2 concentration distribution shifted from soil surface layer to the boundary layer as seasonally growing of seedling roots .
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主要研究结果如下:1桂阳烟区水稻土和紫色土均为壤质粘土,pH呈碱性,红壤为粘壤土,pH呈弱酸性。
The main results are as follows : 1The paddy soil and purple soil were loamy clay in texture and their pH was alkaline , while the red soil was clay loam in texture and its pH was slightly acidic .
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结果表明,禾谷镰刀菌(Fusariumgraminearum)喜欢中性土壤和低湿的环境,不耐高温,在壤土中生长较好;
Results suggested that mycelia of Fusarium graminearum grow better in the neutral , highly wet loam soil , but grow poorly under high temperature .
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对于砂壤土和砂质粘壤土Fα值分别为1.12和1.24。利用Fα校正壁效应的影响后,热脉冲技术估计水流通量的误差在5%以内。
An amplification factor ( sandy loam , 1.12 , sandy clay loam , 1.24 ) is introduced to correct the influence of wall flow , which reduces the errors of the heat pulse measurements to within 5 % .
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从三种配方滴灌专用肥对棉花产量构成因子的影响来看,A型适宜砂壤土棉田,B型适合壤土棉田,C型适合粘土棉田。
The effects of three formulated fertilizers designed for drip fertilization on the yield components of cotton indicated that formulated fertilizer A was suitable for sandy loam lands , formulated fertilizers B was suitable for loam lands and formulated fertilizer C was suitable for clay lands .
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汞在砂壤土、轻壤土和中壤土中的分配系数Kd值在0~160mL/g之间,当pH值为10左右时,Kd值最大为160mL/g;
The K_d values of mercury in silt loam , light loam and medium loam were between-20 and 160mL / g , when pH value was about 10 , K_d value was 160mL / g ;
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在粉砂粘壤土上,降水对休闲地和旱地土壤NO-3-N累积的影响主要在0~2m的深度范围;
In silty clay loam , precipitation mainly influenced soil nitrate nitrogen concentration in a depth of 0 ~ 200cm in fallow land and dryland .
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中等肥力棉田氮肥滴施最佳用量(N)为:壤土棉田217.67kg/hm2,粘土棉田242.39kg/hm2。
The optimal nitrogen amounts for medium-fertility cotton lands by drip fertilization were as follows : 217.67kg/hm2 for loam land and 242.39 kg / hm2 for clay land ;
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相同容重下,重壤土的束缚水饱和度大于砂壤土的,而砂壤土残留PCE含量大于重壤土。
The irreducible water saturation of heavy loam is larger than that of sandy loam at the same bulk density , while the residual PCE saturation to the contrary .
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此外,小麦强势粒与弱势粒HMW-GS积累在砂壤土上差异较大,而在中壤土和粘壤土上二者差异较小;与强势粒相比,弱势粒HMW-GS积累不同质地土壤上差异较大。
In addition , the difference of HMW-GS content between superior grain and inferior grain was larger under sandy soil , while smaller under loam soil and clay soil .
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以自然重壤土和无菌砂为培养基质,栽种大豆,采用MPN法测数,证明了大豆根瘤菌数量的增长符合逻辑斯谛模型并编写了相应的BASIC程序。
In this paper , leguminous plants grown in both natural heavy loam and sterile sand were studied . The increase of Rhizobium japonicum number conforms to Logistic model using MPN method , and a corresponding BASIC program about counting is compiled .
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当温度在5~45℃之间变化时随着温度的升高,TDR在沙壤土中测定的土壤含水量降低,而在粘壤土和有机质含量高的土壤测定的土壤含水量值升高。
With the temperature rising from 5 ℃ to 45 ℃ , the soil water content detected by TDR will decline in sandy loam soil , and rise in clay loam and organic soil .
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单施B、Cu、Mo、Si等微肥也提高了花岗岩粉壤土上的豇豆水溶性糖含量,但总体而言,粉壤土上镁和微肥的肥效相对较差。
The content of water-solube sugar was also increased in the granite silt loam to which B , Cu , Mo , Si fertilizer was applied individually . But , as a whole , there was no distinct effect of Mg and micro-element fertilization in this soil type on V.sinensis .
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该地区年平均降水量550~650mm,无霜期约180d,土质为沙壤土。
This region mean annual precipitation was about 550 ~ 650 mm , 180 days frost-proof date and the soil is sandy loam .
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在这五种参数模型中,MVG模型的误差最大,不能精确描述封丘地区壤土类土壤的颗粒大小分布。
The two-parameter MVG model yields the largest errors among the five models , and therefore is not suitable for describing soil particle-size distributions in Fengqiu area .
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采用室内恒温密闭培养法,以北京地区耕作层典型粉壤土为对象,研究NaCl对土壤氨挥发、硝化与反硝化过程的影响。
Using laboratory incubation method , an experiment was carried out to investigate the effect of sodium chloride ( NaCl ) on ammonia volatilization , nitrification and denitrification in silt loam soil , one of the typical soils in the cultivated layer of Beijing area .
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对于砂质壤土,在实际合水量不变但改变土壤温度的情况下,TDR测定的含水量在实际含水量大于0.30cm3/cm3时有明显的偏差,且温度升高,TDR测定的含水量偏低,反之亦然。
For sandy loam with varied soil temperature , water content measured by TDR deviated from real values when it is higher than 0.30 cm3 / cm3 . The higher temperature , the lower water content measured .