Table 11.

Correlation among nitrogen fertilization, N, P, and K uptake, and grain yield.

	N applied	N uptake	P uptake	K uptake
N applied
N uptake	0.796∗   0.032
P uptake	0.635   0.126	0.949∗   0.001
K uptake	0.771∗   0.042	0.900∗   0.006	0.913∗   0.004
Yield	0.671   0.099	0.919∗   0.003	0.936∗   0.002	0.919∗   0.003

^∗Significant correlation at P ≤ 0.05.