T1 = Control (without application of fertilizer and bioslurry), T2 = bioslurry at 600 kg ha–1, T3 = 100% of the recommended N dose from an inorganic N fertilizer, T4 = bioslurry at 600 kg ha–1 plus 50% of the recommended N dose from an inorganic N fertilizer, T5 = bioslurry at 600 kg ha–1 plus 75% of the recommended N dose from an inorganic N fertilizer, T6 = bioslurry at 600 kg ha–1 plus 100% of the recommended N dose from an inorganic N fertilizer. All treatments except T1 also had recommended P and K fertilizers.