Research Article

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

Table 8

Effect of different rates of chicken manure and NPK fertilizers on plant nutrient uptake by sunflowers.

TreatmentsNutrient uptake
(g/kg)(cmol/kg)(mg/g)
NKNaMgMnCuZnFe

Control0.360.560.200.18139.4552.7548.250.25
Chicken manure 5 t·ha−10.660.850.400.29118.317.0090.450.27
Chicken manure 10 t·ha−10.750.630.230.1991.017.3059.010.23
Chicken manure 15 t·ha−10.800.730.290.24134.214.7362.750.14
Chicken manure 20 t·ha−10.850.790.310.2171.7875.2556.010.25
NPK 30 kg·N·ha−10.400.750.350.2875.3288.00105.750.24
NPK 60 kg·N·ha−10.530.760.220.15116.8193.5064.310.15
NPK 90 kg·N·ha−10.700.700.240.2099.5071.5094.000.26