洋人洋马铃薯高产栽培数学模型的研究

Study on Mathematical Model of High-yield Cultivation Techniques for Potato Cultivar Yangrenyang

为提高洋人洋马铃薯的产量,采用四元二次回归正交旋转组合设计方法,对影响洋人洋高产栽培的主要农艺措施进行研究。试验结果表明,各试验因子对马铃薯产量的影响程度大小为密度>磷肥>钾肥>氮肥;通过计算机模拟寻优,得出洋人洋产量大于2 700 kg/667 m^2的综合农艺措施为:种植密度4 522~4 871株/667 m^2、尿素施用量14.48~16.42 kg/667 m^2、过磷酸钙施用量27.03~32.97 kg/667 m^2、硫酸钾施用量34.46~45.54 kg/667 m^2。

In order to increase the yield of potato cultivar Yangrenyang, this paper researched the main agronomic measure of potato high -yield cultivation using the method of four -factor quadratic regression orthogonal rotary combination. The results showed that the order of influence degree of each testing factor was density〉phosphate fertilizer〉 potassic fertilizer 〉nitrogenous fertilizer. Through computer simulation optimization, this paper concluded that the Yangrenyang yield could reach 2 700 kg/667 m2, when planting density was 4 522 to 4 871 plants/667 m2, urea application amount was 14.48 to 16.42 kg/667 m2, superphosphate application amount was 27.03 to 32.97 kg/667 m2 and potassium sulphate application amount was 34.46 to 45.54 kg/667 m2.