Combined Application of Phosphorus Fertilizer with Tithonia Biomass Improves Grain Yield and Agronomic Phosphorus Use Efficiency of Hybrid Maize

Table 3

Grain yield of maize and phosphorus use efficiency as affected by the combined application of Tithonia biomass and phosphorus fertilizer (TSP).

Phosphorus added (kg·ha^−1)		% P from Tithonia	Grain yield (kg·ha^−1)	AEP	PFP-P
From Tithonia	From TSP
0	20.3	0	3433.7	26.3	169.1
6.1	14.2	30	4788.3	93.0	236.0
8.3	12.0	40	5121.3	109.4	252.2
10.2	10.1	50	5447.3	163.0	268.3
12.2	8.1	60	5249.7	115.7	258.6
14.2	6.1	70	5761.7	140.9	283.8
16.3	4.0	80	5614.7	133.7	276.5
18.3	2.0	90	6168.0	161.0	303.8
20.3	0	100	6594.3	182.0	324.8
LSD0.05			948.1	63.9	46.7
SE±			316.2	21.3	15.6