soil loss tolerance

Process of Soil Loss Tolerance Research& in the Phaeozem Region of Northeast China

土壤容许流失量研究的方法&以东北典型黑土区为例

The mathematical expression of soil loss tolerance and T value criteria in different countries are also introduced.

介绍了T值的数学表达和不同国家的T值标准，阐述了进行T值双值性研究的必要性。

To establish a standard for preventing soil erosion on cultivated land, soil scientists in USA proposed firstly the concept of Soil Loss Tolerance, then the concept has been applied for evaluating soil erosion risk in a watershed or a region.

为确定防治农田土壤侵蚀的标准，20世纪中叶美国土壤学家首先提出了允许土壤流失量的概念，之后这一概念又延伸应用到流域和区域土壤侵蚀评价。

Study on Criterion of Soil Loss Tolerance and Soil and Water Conservation in Black Soil Region of Northeast

东北黑土区土壤容许流失量与水土保持治理指标探讨

The present situation and some thoughts of soil loss tolerance study

容许土壤流失量的研究现状及其设想

Water and soil loss in different area has different effect on water quality, and its soil loss tolerance is also different.

不同区域的水土流失对水质的影响是有差异的，其土壤允许流失量是有区别的。

In order to achieve the soil erosion less than soil loss tolerance that is 500 t/ ( km~ 2 · a), the forest coverage of Zigui county in Three Gorge Reservoir areas should attain 90%.

在三峡库区的秭归县若土壤侵蚀量要小于土壤允许流失量500t/（km2.a），其森林覆盖率需达到90%。

The spatial distribution of soil loss tolerance in carbonate area in Guizhou Province

贵州省碳酸盐岩地区土壤允许流失量的空间分布

The concept and significance of the soil loss tolerance has been reviewed firstly, and then the shortcoming of the loss tolerance criteria being used in the black soil region of northeast China has been pointed out.

在明确土壤容许流失量概念与意义的基础上，指出了我国东北黑土区现行的土壤容许流失量标准存在的不足。

Soil Loss Tolerance of Sloping Field in Semi-arid Hilly-gully Area of Loess Plateau

半干旱黄土丘陵区坡耕地土壤容许流失量研究

At last, appeal for strengthen study on soil loss tolerance of the urban soil and water bss.

并以此起到抛砖引玉的作用，呼吁加强对城市水土流失允许侵蚀量T值的研究。

Methods for determining soil loss tolerance under water quality restriction

水质约束条件下确定土壤允许流失量的方法

Because of thin solum and lower soil loss tolerance, the ecosystem in Karst region is very fragile. The vegetation is difficult to recover after destruction.

喀斯特区由于土层薄、土壤允许流失量低，生态系统十分脆弱，植被破坏后难以恢复。

Soil loss tolerance of urban soil and water loss

浅谈城市水土流失的土壤允许侵蚀量T值

Process and Trend of Soil Loss Tolerance Research

土壤容许流失量研究的进展与趋势

Soil loss tolerance and reasonable soil loss

允许土壤流失量与合理土壤流失量

Regularity of Erosion and Soil Loss Tolerance in Hilly Red-Earth Region of China

中国红壤丘陵区水土流失规律与土壤允许侵蚀量的研究

Comprehensive analyzing the investigation result of soil and water conservation practice at 72 small watersheds in the black soil region of northeast China, the criteria of soil loss tolerance and soil loss control has been constituted for the primary soil erosion typical areas.

综合考虑对黑土区内72条小流域水土保持实践的调查结果，初步确定了东北黑土区主要水土流失类型区土壤容许流失量指标及水土保持治理指标。

The history, present situation and developing trend of soil loss tolerance research are outlined.

概述了国内外土壤容许流失量（T值）研究的历史、目前研究的现状和未来的发展趋势。

The concept of soil loss tolerance has been widely used over the world as well as in China.

“允许土壤流失量”的概念在全球，包括在中国得到了广泛的应用。