CAJ | 학술논문

采用3因素二次回归通用旋转组合设计，研究浇水量、施氮量、施钾量的耦合效应对夏季切花月季产量的影响，得到切花产量对3因素的回归数学模型。试验结果表明：切花月季产量影响程度的大小顺序为：浇水量＞施氮量＞施钾量。3因素之间存在交互作用，浇水量与施氮量的交互临界点为2.3179与0.4247，浇水量与施钾量的交互临界点为5.58与2.9，施氮量与施钾量的交互临界点为0.8528与0.0025，在低于临界点时呈正相关，高于以上水平时呈负相关。经计算，得到最大切花产量2.19支/株时，其对应的浇水量、施氮量、施钾量每株分别为7.5 L、233 mg/L、100 mg/L。
채용3인소이차회귀통용선전조합설계，연구요수량、시담량、시갑량적우합효응대하계절화월계산량적영향，득도절화산량대3인소적회귀수학모형。시험결과표명：절화월계산량영향정도적대소순서위：요수량＞시담량＞시갑량。3인소지간존재교호작용，요수량여시담량적교호림계점위2.3179여0.4247，요수량여시갑량적교호림계점위5.58여2.9，시담량여시갑량적교호림계점위0.8528여0.0025，재저우림계점시정정상관，고우이상수평시정부상관。경계산，득도최대절화산량2.19지/주시，기대응적요수량、시담량、시갑량매주분별위7.5 L、233 mg/L、100 mg/L。
The coupling effect of water, N(nitrogen), K(potassium) on rose flower yield in summer was studied by using general rotational combination design with 3 factors quadratic regression, and the regression mathematical model of 3 factors was got. The test results show that influence order on rose yield is watering amount > N> K. There is interaction between 3 factors. The interaction critical point of water and N is 2.3179 and 0.4247. The interaction critical point of water and K is 5.58 and 2.9. The interaction critical point of N and K is 0.8528 and 0.0025. Below the critical point it is positively related, and over the critical point it is negative correlation. After calculation, for the maximum yield of flower 2.19 branches/plant the corresponding amounts of water, N, K are 7.5 L, 233 mg/L, 100 mg/L per plant respectively.