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在十几年立体栽培试验和应用的基础上,进行一年五种五收亩产值超3千。试验地设在宾州南12公里、石洞河西岸、为河淤土、平坦、土壤含有机质2.6,PH值6.7,面积0.3亩。
In more than a decade of three-dimensional cultivation experiments and applications, based on the year five kinds of harvest five thousand acres of output over 3,000. Experimental site located 12 kilometers south of Pennsylvania, Shidonghe West Bank, silt for the river, flat, soil organic matter 2.6, PH value 6.7, an area of 0.3 acres.