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

Table 9

Effect of different rates of chicken manure and NPK fertilizers on percentage crude protein and oil contents of sunflower seeds.

Treatments	Percentage composition (%)
	Protein	Oil
Control	22.59^e ± 0.78	28.25^c ± 0.64
Chicken manure 5 t·ha^−1	27.5^b ± 0.35	31.48^b ± 1.25
Chicken manure 10 t·ha^−1	27.64^b ± 0.75	31.75^b ± 0.03
Chicken manure 15 t·ha^−1	24.88^d ± 0.89	26.99^d ± 0.07
Chicken manure 20 t·ha^−1	26.6^c ± 0.87	33.77^a ± 0.88
NPK 30 kg·N·ha^−1	27.23^b ± 0.65	30.09^bc ± 1.07
NPK 60 kg·N·ha^−1	29.46^a ± 0.77	28.91^c ± 0.1
NPK 90 kg·N·ha^−1	28.92^ab ± 0.56	24.6^e ± 0.65