Different Rates of Chicken Manure and NPK 15-15-15 Enhanced Performance of Sunflower (Helianthus annuus L.) on Ferruginous Soil

Table 5

Effect of different rates of chicken manure and NPK fertilizers on components of yield of sunflowers.

Treatments	Main cropping					Residual
	Head diameter (cm)	Weight of head (g)/plant	Number of seeds/head	100-seed weight (g)	Seed yield (t·ha^−1)	Head diameter (cm)/head	Weight of head (g)/plant	Number of seeds/head	100-seed weight (g)	Seed yield (t·ha^−1)
Control	14.1^de ± 1.55	35.7^e ± 3.37	144.7.^c ± 36.8	7.20^b ± 0.01	1.04^c ± 0.01	15.8^cd ± 0.73	35.7^e ± 3.37	389.6^e ± 0.38	17.20^c ± 0.04	1.66 ^h ± 0.01
PM1	13.3^e ± 0.79	33.1^e ± 0.92	279.7^a ± 39.6	7.89^a ± 0.06	0.79^d ± 0.04	16.3^bc ± 1.29	33.1^e ± 0.92	486.7^b ± 5.04	17.89^c ± 0.09	2.19 ^g ± 0.01
PM2	17.9^a ± 0.11	65.8^b ± 4.75	272.7^a ± 70.4	12.70^a ± 0.05	1.36^a ± 0.06	21.3^b ± 1.33	65.8^b ± 4.75	394.2^d ± 0.67	22.70^bc ± 0.35	5.25^a ± 0.01
PM3	17.4^ab ± 0.54	62.4^b ± 0.91	268.1^a ± 68.1	11.58^a ± 0.15	1.30^a ± 0.04	20.3^bc ± 0.65	62.4^b ± 0.91	717.5^a ± 15.88	21.58^bc ± 0.25	2.64^f ± 0.01
PM4	17.1^ab ± 0.30	71.9^a ± 1.45	285.7^a ± 71.9	16.43^a ± 0.12	1.36^a ± 0.04	25.2^a ± 0.46	71.9^a ± 1.45	426.5^b ± 0.83	26.43^ab ± 0.92	5.17^b ± 0.01
NPK1	15.5^dc ± 0.38	51.3^d ± 1.90	251.3^b ± 51.3	10.91^a ± 0.05	1.09^c ± 0.04	15.7^d ± 0.65	51.3^d ± 1.90	397.3^c ± 1.72	20.91^bc ± 0.65	3.42^e ± 0.01
NPK2	15.9^bc ± 0.36	56.1^c ± 2.34	256.1^b ± 56.10	9.10^a ± 0.02	1.21^b ± 0.02	21.7^a ± 0.65	56.1^c ± 2.34	525.7^b ± 0.22	23.10^b ± 0.02	3.59^d ± 0.01
NPK3	15.9^bc ± 1.36	36.7^e ± 0.24	136.7^c ± 36.6	19.57^a ± 9.87	0.79^d ± 0.04	23.9^a ± 0.65	36.7^e ± 0.24	356.3^f ± 0.13	32.57^a ± 0.87	4.42^c ± 0.01

PM1 = chicken manure 5 t·ha⁻¹; PM2 = chicken manure 10 t·ha⁻¹; PM3 = chicken manure 15 t·ha⁻¹; PM4 = chicken manure 5 t·ha⁻¹; NPK1 = NPK 30 kg·N·t·ha⁻¹; NPK2 = NPK 60 kg·N·t·ha⁻¹; NPK3 = NPK 90 kg·N·t·ha⁻¹. Means ± standard deviation with the same letter on the same column are not significantly different at using DMRT.