1972 年 14 巻 p. 94-95
A high multiple correlation (R=0.95**) between grain weight per plant (Y) and leaf area per plant (X1) and both N (X2) and P (X3) % of leaf blades at silking was found. The multiple regression equation became, Y=18.8X1+109,7X2+7.5X3-274.0.