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土壤水稳性团粒
相关语句
  soil water stable aggregate
     The soil characteristics of different land where returning farmland to forests,grass land and farmland were contrasted and researched,including soil bulk density,soil porosity,soil water stable aggregate structure and soil saturated hydraulic conductivity in Datong county of Qinghai province.
     对比研究了青海省大通县不同类型退耕还林地、草地、农田的土壤性质,包括土壤容重、土壤孔隙度、土壤水稳性团粒结构、土壤饱和导水率。
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  “土壤水稳性团粒”译为未确定词的双语例句
     Study on the Effects of PVA on the Formation of Soil Water-stable Crumbe
     聚乙烯醇形成土壤水稳性团粒的效果研究
短句来源
     Effect of Crystal Organic Fertilizer on Water-stable Aggregates and Micro-structure of Soils
     结晶有机肥对土壤水稳性团粒组成及微结构的影响
短句来源
     The experiment conclusions are as follows:1 Absorbent can improve the physical characteristics of soil obviously which lower the soil quantity, increase the terminal rate of infiltration and the maximum water content in soil, and the percentage of the water aggregate stability of soil more than 2mnu lmm, 0.25mm are different distinctly.
     1、保水剂可显著改善土壤的物理性状,降低土壤容重,>2mm,>1mm,>0.25mm土壤水稳性团粒结构百分比显著不同,提高了土壤的最终水分入渗率和最大持水量。
短句来源
     The results showed that,all three types of macromolecule polymers have significant effect of improving soil physical properties. Compared with the control,the content of water-stable aggregate and the soil permeability increased by 17.27% and 41.81% respectively,and the soil bulk density decreased by 11.18% and the ability of holding water increased by 2.8 times.
     结果表明:1)3种高分子聚合物均是较好的土壤结构改良剂,经聚合物处理后的土壤水稳性团粒含量平均增加17.27%,渗透性能提高41.81%,密度减小11.18%,土壤持水能力较对照提高2.8倍。
短句来源
     Study on Improving Soil's Waterstable Aggregates Amounts by Botanic Roots
     植物根系提高土壤水稳性团粒含量的研究
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  相似匹配句对
     Study on the Effects of PVA on the Formation of Soil Water-stable Crumbe
     聚乙烯醇形成土壤稳性团粒的效果研究
短句来源
     Study on Improving Soil's Waterstable Aggregates Amounts by Botanic Roots
     植物根系提高土壤稳性团粒含量的研究
短句来源
     The best index to reflect soil antierodibility in loess plateau is content of waterstableaggregate in soil.
     稳性团粒含量是反映黄土高原土壤抗蚀性的最佳指标;
短句来源
     Effect of Crystal Organic Fertilizer on Water-stable Aggregates and Micro-structure of Soils
     结晶有机肥对土壤稳性团粒组成及微结构的影响
短句来源
     Forest,Soil and Water
     森林、土壤
短句来源
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By soil contrast analysis of fuel-forest lands,the result shows: The soil of the experimental area was the Huangmian soil form,who- se texture was a light loam or a medium loam.With the growth age of trees increasing,the soil waterstable aggregate content of fuelforest land rose by 7.5% as against the farming land which was regarded as the check land,and there was also a obvious improve- ment in soil organic matter.The hydrolyzable nitrogen content in the forest lands of the leguminous trees including Korshinsk...

By soil contrast analysis of fuel-forest lands,the result shows: The soil of the experimental area was the Huangmian soil form,who- se texture was a light loam or a medium loam.With the growth age of trees increasing,the soil waterstable aggregate content of fuelforest land rose by 7.5% as against the farming land which was regarded as the check land,and there was also a obvious improve- ment in soil organic matter.The hydrolyzable nitrogen content in the forest lands of the leguminous trees including Korshinsk Pea- shrub,Black Locust,Shrubby Falseindigo,etc.,was higher than that in the other forest lands of the trees including Siberian Apricot, Mongolian Willow,etc.An approach on soil available water content, utilization status,penetrability of fuel-forest land also was studied in this paper.

通过对黄土高原薪炭林地土壤的对比分析表明:试区土壤为黄绵土土体构型,质地为轻壤土或中壤土质;随着林木生长年限的增加,薪炭林地土壤水稳性团粒结构含量比农地对照提高了7.5%;土壤有机质也有明显地改善和提高;土壤水解氮的含量,以豆科柠条、刺槐、紫穗槐等树种林地含量高于山杏、沙柳等其它树种林地的含量;还对林地有效水的含量及利用状况、土壤的渗透特征进行了探讨。

Through studying the relationship of soil enzyme activities and physical and chemical properties in the areas of silting coastal protective forest,the results are as follows:(1)There are close relations between the four soil enzymes(invertase, alkaline prosphatase, urease, protease) and soil granular structure content of water stability, unit weight, porosity, organic substances,salt content,total-N,available-p and pH, while there is no relation between these enzymes and physical clay particle content, water...

Through studying the relationship of soil enzyme activities and physical and chemical properties in the areas of silting coastal protective forest,the results are as follows:(1)There are close relations between the four soil enzymes(invertase, alkaline prosphatase, urease, protease) and soil granular structure content of water stability, unit weight, porosity, organic substances,salt content,total-N,available-p and pH, while there is no relation between these enzymes and physical clay particle content, water content and available-K of soil.(2)By typical correlation analysis, soil enzymes and physical, chemical properties have a very close relation. The correlation coefficient of the first pair of typical variable is 0.944 3.Urease and protease play an important role in soil enzymes, while in the physical and chemical properties of soil, unit weight and total-N are more important than other factors.(3)The paper gives not only the regression equations of the enzymes and physical,chemical properties of soil respectively, but also the simplified equations by stepwise regression.(4)Soil enzyme activities can be used as the indexes of evaluating site productivity.

通过对泥质海岸防护林土壤酶活性和理化性质关系的研究得出:(1)四种土壤酶(蔗糖酶、碱性磷酸酶、脲酶、蛋白酶)与土壤水稳性团粒含量、容重、孔隙率、有机质含量、盐分含量、全氮含量、速效磷含量、pH值有着密切的关系、而与物理性粘粘含量、含水量、速效钾含量不相关;(2)通过典型相关分析,土壤酶与理化性质之间关系密切,第一对典型变量的相关系数达0.9443。在土壤酶中起主要作用的是脲酶和蛋白酶,在理化性质中起主要作用的是容重和全氮含量;(3)分别给出了4种酶与理化性质的回归方程,并运用逐步回归使方程得到了简化;(4)土壤酶活性可作为评价立地生产力的指标。

The effects of polyvinyl aliohol (PVA) on the formation of soil water-stable crumbs were determined at two temperatures (10 ℃.,and30℃),three soil [H+] (10 000. 361. 2 、10μmol. L-1 ) and a variety of concentration of PVA. The changes of soil water evaporation and acid soil [H+] caused by PVA were also discussed. The results indicated that 0. 01 % ~0. 1% PVA can effectively from the soil water-stable crumbs. The effect of the 1. 0%PVA was especially remarkable under these conditions. Furthermore, PVA can increase...

The effects of polyvinyl aliohol (PVA) on the formation of soil water-stable crumbs were determined at two temperatures (10 ℃.,and30℃),three soil [H+] (10 000. 361. 2 、10μmol. L-1 ) and a variety of concentration of PVA. The changes of soil water evaporation and acid soil [H+] caused by PVA were also discussed. The results indicated that 0. 01 % ~0. 1% PVA can effectively from the soil water-stable crumbs. The effect of the 1. 0%PVA was especially remarkable under these conditions. Furthermore, PVA can increase acid soil [H+] and reduce the soil water evaporation.

研究了在3种土壤氢离子浓度(10000nmol·L-1、361.2、10μmol·L-1、2种温度(10℃、30℃)下,不同浓度的聚乙烯醇(PVA)形成土壤水稳性团粒的效果。研究了PVA对土壤水分散失量以及酸性~弱酸性土壤氢离子浓度的影响。结果表明:0.01%~0.1%PVA能有效地形成土壤水稳性团拉;1%PVA在上述2种温度、3种氢离子浓度条件下成团效果尤为明显。另外,PVA能减少土壤水分的散失量和增加酸性~弱酸性土壤的氢离子浓度值。

 
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