雨量坡度及作物对于四川紫棕土冲蚀之影响*
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* 本试验之设备承黄河水利委员会林墾设计委员会之资助


A Study on Rainfall,Slope,and Crop in Relation to Erosion of the Purple Brown Soil of Szechuan
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    摘要:

    紫棕上为四川红色盆地中之主要土壤,因丘陵起伏之地形,垦种之坡地,夏季土壤冲蚀问题至为严重,一般农民深知防上冲蚀之必要,且久已实行「还土」及筑满堰与沙盪种种方法,以减少冲蚀之患害(6)。虽然,彼等对于防止冲蚀之农艺方法;如作物之选择配合殊不注意。结果,纵有完善之溝堰与沙堤,亦不过消极之防范而非根本解决之道。本试验目的即在探求降雨性质,坡度大小及作物种类对于紫棕土冲蚀之影响,以为农民探用农艺方法防止冲蚀之根据。本试验系于1911年四月开始,第一年为预备期,第二年之结果已发表(1)。试验共举行五年,除第一年之记录仅供参考外,茲将1942年至1945之四年记录撮要陈述之。

    Abstract:

    A tank experiment to study the rainfall characteristics, degree of slope and kinds of crops iri relation to erosion of the Szechwan purple brown soil was carried out on the experimental farm of the University of Nanking in Chcngtu during the period from 1941 to 1945 inclusive. The text consists of the results, of four years only, that of the first vear being used for reference. There were four wooden tanks altogether; each tank was 1.8 meters long, 0.35 meters wide, and 0.33 meters in depth. They were made water proof; and aceessory parts for receiving runoff and soil loss were appropriately provided. A kind of the common purple brown clay soil was put in the four tanks which were placed on.brick fbundations having slant tops of 5,10,30 and 30 percent slopes respectively. There was a rain gauge between the two tanks on each side.when there was rain, measurements of rainfall, runoff and soil loss were made at 24-hr. intervals.

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黄瑞采.雨量坡度及作物对于四川紫棕土冲蚀之影响*[J].土壤学报,1948,0(1):9-20. S. T. Hwang. A Study on Rainfall, Slope, and Crop in Relation to Erosion of the Purple Brown Soil of Szechuan[J]. Acta Pedologica Sinica,1948,0(1):9-20.

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  • 在线发布日期: 2013-02-25
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