Fig. 5

Principal component analysis (PCA) between soil properties and potato traits. Where MBc(-) = Without biofertilizer (Bacillus cereus); MBc(+) = With biofertilizer (Bacillus cereus); Control = Non-fertilizer; 100FD = 100% Feldspar; 100FC = 100% Filer Cake; 75FD + 25FC = 75% Feldspar + 25% Filer Cake; 25FD + 75FC = 25% Feldspar + 75% Filer Cake; 50FD + 50FC = 50% Feldspar + 50% Filer Cake; pH = pH value; Ec.= Soil electrical conductivity; OM = organic matter; Available-N = Available Nitrogen; Available-P = Available Phosphor; Available-K = Available Potassium; Uptake-N = Nitrogen uptake;Uptake-P = Phosphor uptake; Uptake-K = Potassium uptake; PH = Plant height; NS = No of stem; DM = Dry matter of tuber; WLT = Large Tuber weight; WMT = Medium Tuber weight; WST = Small Tuber weight; TWT = on total tuber weight