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运用回归旋转设计试验结果表明,安康浅山丘陵区甘薯栽培氮磷钾合理施用量及增产效应为:亩施氮、磷、钾的量分剐为15.6kg、9.2kg 和17.7kg。产量为2631.4kg/亩。
The results of regression rotation design experiment showed that the rational application rates of nitrogen, phosphorus and potassium and the increasing yield of sweetpotato in sweet hill hilly area of Ankang were 15.6kg, 9.2kg and 17.7kg respectively. The output is 2631.4kg / mu.