1) typical grassland soils
典型草原土壤
1.
Study on the mechanism of N2O production in typical grassland soils of Inner Mongolia;
内蒙古典型草原土壤N_2O产生的机理探讨
2) grasslands soil
草原型土壤
3) typical soil
典型土壤
1.
The method, based on that stream sediment inherits the characters of the rock, divides the studied area into different lithologic areas, in which the typical soils for.
该方法依据水系沉积物对原岩的继承性,以不同岩性所对应的典型土壤为已知样品,采用欧氏距离作为分类指标,将研究区划分为不同的岩性类。
2.
In this paper,more than 10 common species of crops and seven typical soils by which the corps grew on in Chengdu region were sampled as subjects for a study on arsenical contents by means of monitoring data analysis,normal distribution fitting,analysis of variance and linear correlation analysis etc.
成都地区土壤和农作物中砷污染研究资料不多,本文以成都地区7类典型土壤和该土壤上生长的10余种常见农作物中的砷含量为研究对象,通过对监测数据的整理、分析,应用正态分布、方差分析、线性相关检验等方法对土壤和农作物中砷的分布规律以及两者的关系进行了比较详尽的分析和研究,并对比了国内相关研究结果,说明了成都地区土壤和农作物中砷污染的规律和相关性。
4) typical soils
典型土壤
1.
Four typical soils in our country(loess soil, purple soil, red soil, black soil) are studied in this paper.
为此,本文选择我国四类典型土壤(黄土、紫色土、红壤、黑土)为研究对象,通过比较人工模拟降雨条件下四种土壤表土结皮发育的差异性,分析了造成不同土壤表土结皮发育差异性的内在原因,并进一步从四类土壤所在区域的地带性角度探讨了我国四类典型土壤区的表土结皮发育地域差异性,主要结论如下:1。
5) steppe soil
草原土壤
1.
Organo-mineral complexes were separated from different developing direction and phases of steppe soils with fractional method of particle-size and density, and their mounts, humus contents, composition and ratio of carbon to nitrogen were analyzed.
对采自处于不同发展方向和阶段的草原土壤分组提取有机矿质复合体，并对它的质量分数、腐殖质质量分数和组成、Ｃ／Ｎ比值等的变化做了分析，试图从土壤复合体变化的角度去认识草原的退化和恢复过程。
2.
Five different land utilization methods of saline steppe soil in the west of Jilin province were selected,including grazing grassland,fencing grassland,tillable,new paddy field and long-term cultivate paddy field.
结果均揭示水田和围栏草原土壤肥力质量较高,而放牧草原和旱田土壤肥力质量较低,呈退化趋势。
6) grassland soil
草原土壤
1.
Effects of different land use types on carbohydrate content and aggregate stability in arid grassland soil;
利用方式对干旱草原土壤碳水化合物含量及团聚体稳定性的影响
2.
Studies on the characteristics of soil fertility and relationshipamong nutritive factors in alpine grassland soil of Qilian mountains;
祁连山区高寒草原土壤肥力特征及肥力因子间的关系(简报)
补充资料：温带无林地带的丘陵的典型草原地区放牧草场
温带无林地带的丘陵的典型草原地区放牧草场
温带无林地带的丘陵的典型草原地区放牧草场 祝廷成摄
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条