摘要
为提高合浦县花生产量,在合浦县开展花生"3414"肥料效应田间试验,应用"3414"试验数据分析软件进行分析,建立花生施肥的数学模型:氮肥符合一元二次方程Y=2 910+277.5X-18.75X2,R2=0.781 8;磷肥符合一元二次方程Y=3 843.075+246.037 5X-40.593 8X2,R2=0.989 7;钾肥符合线性加平台方程Y=3 283.75+66.625X(0<X<15.3)和Y=4 300.5(X≥15.3),R2=0.880 94,得出花生最佳施肥量是每公顷施纯N 106.5 kg、P2O5 43.5 kg、K2O229.5kg,最佳产量为4 300.5 kg/hm2。
In order to increase peanut yield in Hepu County, a ＂3414＂ fertilizer effect experiment of peanut was conducted by means of data analysis software and a math model was set up for peanut fer- tilization. The results show that N fertilizer is correspoding to quadratic equation with one unknown Y= 2 910 ＋ 277.5X - 18.75X^2,R^2=0.781 8, P fertilizer to Y=3 843.075 ＋ 246.037 5X-40.593 8XZ,R^2= 0.989 7; K fertilizer to linear plus flat equation Y = 3 283.75 ＋ 66.625X （0〈X〈15.3）和Y = 4 300.5 （X≥15.3）,R^2 = 0.880 94, from these equations, the best fertilization amounts for peanut will be pure N 106.5 kg,P205 43.5 kg,K2O 229.5kg/hm^2 and the highest yield can be 4 300.5 kg/hm^2.
出处
《广西农学报》
2009年第5期16-18,21,共4页
Journal of Guangxi Agriculture
关键词
花生
配方施肥
肥料效应
Peanut
equilibrium fertilization
fertilizer effect
