Author(s):

Hardeep Singh, Balwinder Singh Dhillon and Nisha

Abstract: A field experiment entitled “Effect of fly ash and phosphorus levels on the growth and yield of toria (Brassica campestris L. var. Toria)” was conducted during rabi 2018-19 at Research Farm, Guru Kashi University, Talwandi Sabo, Bathinda (Punjab). The experiment was laid out in split plot design comprising three fly ash levels viz., control (0 t/ha), 5 and 10 t/ha in main plots and four levels of phosphorous viz., 0, 10, 20 and 30 kg P₂O₅/ha in sub plots. The results showed that the highest plant growth viz., plant height and leaf area index, number of primary branches/plant and number of secondary branches/plant and yield attributing characters viz., number of siliquae/plant, siliquae length, and 1000-seed weight and stover yield was recorded in fly ash @ 10 t/ha which was significantly higher over the control and fly ash @ 5 t/ha. Fly ash @ 10t/ha resulted in 5.42 and 11.79% higher seed yield than control and fly ash @ 5 t/ha, respectively. Phosphorous (P₂O₅) @ 20 kg ha^-1 and 30 kg ha^-1 recorded 35.3 and 40.4%, respectively higher seed yield than 0 kg P₂O₅ ha^-1. Application of P₂O₅ @ 20 and 30 kg ha^-1 along with fly ash @ 10 t ha^-1 produced statistically similar seed yield.

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