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 12

Effects of nitrogen application on crop recovery and agronomic efficiency under pot trial.

Treatment	Total N applied	Plants N uptake	Dry matter yield (DMY)	Crop recovery efficiency of applied N (REN)	Agronomic efficiency of applied N (AEN)
	g hill^−1
T1	0	0.08	5.86	—	—
T2	282.50	0.20	23.15	0.0004	0.06
T3	282.50	0.22	33.81	0.0005	0.10
T4	282.50	0.20	33.55	0.0004	0.10
T5	211.80	0.19	31.57	0.0005	0.12
T6	141.30	0.16	27.37	0.0006	0.15
T7	70.65	0.13	23.54	0.0007	0.25
T8	0	0.08	16.31	—	—