土壤缓冲能力

得到了当降雨pH<6.0时，酸性土或弱酸性土中铝溶量和时间呈指数关系，以及影响铝溶出因素主要是酸雨的pH值、土壤的缓冲能力和环境温度等结论。

The results indicated that the amount of aluminium leached from acid or slight acid soils by solution with pH below 6.0 was exponential function of time and that the main factors influencing aluminium leaching were pH of leaching solution , buffer capacity of soils and the temperature .

根据酸碱滴定曲线，进行统计分析和数学拟合，提出以酸碱滴定曲线拟合方程的斜率表征土壤酸缓冲能力的新方法。

The parameters for estimating acidic sensitivity of soils were statistically gained by using the titration curve of acid and alkali .

用酸碱滴定曲线拟合参数表征土壤对酸缓冲能力的新方法

New Method for Evaluating Buffering Capacity and Equilibrium pH of Paddy Soil with Simulation Parameter

中国若干地区森林土壤对酸雨缓冲能力的探讨

A study on buffering power of the forest soil for acidic precipitation in some regions of China

为了探讨我国若干地区森林土壤对酸雨的缓冲能力，本文在对我国几个典型森林地带的土壤样品进行矿物分离富集等基础上用x射线粉末衍射法进行矿物学研究；

Soil samples from several forest areas in China were analyzed by X-ray powder diffractometry after mineral separation and enrichment .

用分级方法评估土壤对重金属的缓冲能力

Assessment of Soil Buffer Capacity to Cadmium , Zinc , Copper , and Lead Using Metal Fractionation

酸性土壤对钒的缓冲能力强，缓冲容量大，不容易产生钒污染。

The acid soil has stronger buffer power nad larger buffer capacity , so it could not be easily polluted by vanadium .

实验结果表明：土壤对酸的缓冲能力较强；酸雨对土壤酸化的贡献甚微，但对土壤中活性铝的溶出却有明显效应。

It was observed that the buffer capacity of soil is rather great and the contribution of acid rain for acidifying soil is insignificant .

影响土壤活性铝溶出的因素主要是酸雨的pH值，土壤pH和缓冲能力，以及环境温度等。

The main factors influencing active Al ~ ( 3 + ) leaching Were of simulated acid rain , pH and buffer capacity of soils and the temperature .

结果表明稻草还田：（1）能减小土壤对钾的吸附，增加其解吸率，提高土壤有效钾量和土壤对钾的缓冲能力；

Results illustrated that returning application of straw would : ( 1 ) decrease K adsorption , increase K desorption ratio , available K content and K buffering capacity of tested soils ;

供试土壤不同，硼的释放强度和释放特征存在一定的差异性，硼的释放强度和特点明显受土壤硼的背景值和土壤对酸缓冲能力的影响。

The strength and character of boron release are different definitely with different soil sample , which means marked influence of the background value of soil boron and of the buffer capacity of soil on the acid .