沸石（尿素沸石）与白云石配合效果好，是改良酸性红黄壤有效途经。
The application of zeolite (urea zeolite) combined with dolomite was best in terms of crop yied and soil amelioration.
研究表明，皖单4号、掖单2号在皖南广德红黄壤地区具有较好的适应性，经济产量较高。
The result showed that maize variety Wandan No. 4 and Yedan No. 2 had a good adaptability in Red yellow soil in south Anhui and high yield.
应用模拟土柱试验研究了施用白云石和沸石（尿素沸石）对皖南地区酸性红黄壤中主要营养元素淋溶过程的影响。
The effect of applying Dolomite and Zeolite(Urea-Zeolite) on nutrient leaching in Wanlan acid red-yellow soil was studied with soil columns repacked in laboratory.
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