extremely significantP < 0.01
Results Nodule numbers of alfalfa There was the extremely significant effect of N treatment in affecting TNN, ENN and ENN/TNN ( P < 0.01) (Table 1 ).
Results Nodule numbers of alfalfa There was the extremely significant effect of N treatment in affecting TNN, ENN and ENN/TNN ( P < 0.01) (Table 1 ).