Coapplication of Chicken Litter Biochar and Urea Only to Improve Nutrients Use Efficiency and Yield of Oryza sativa L. Cultivation on a Tropical Acid Soil

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 ≤ 0.05.