Effect of irrigation and nutrients levels on productivity and profitability of sunflower (Helianthus annuus)
DOI:
https://doi.org/10.59797/ija.v54i3.4799Keywords:
Growth, Irrigation, Productivity, Profitability, Sunflower, YieldAbstract
A field trial was conducted for 3 consecutive spring season from 2005-06 to 2007-08 on sandy loam soil to study the effect of irrigation and nutrients on productivity, profitability and water use efficiency of sunflower ( Helianthus annuus L.) at Morena, Madhya Pradesh. Irrigation applied at 8 days interval significantly improved the plant height, leave/plant, head diameter, weight/head, seed weight/head, 1,000-seed weight, nutrient use (12.83 kg seed/kg nutrients), production efficiency (21.81 kg/ha/day), seed yield (1.86 t/ha), stalk yield (6.57 t/ha), N, P and K uptake, net profit (Rs 12,885/ha) and B:C ratio (1.85) and recorded 24.21% and 58.19% higher seed yield of sunflower over 12 and 16 days irrigation interval. However, maximum water use efficiency (65.45 kg/ha- cm) was obtained with 16 days irrigation interval. Similarly the nutrient treatment of 125% recommended dose of fertilizer, RDF (75-40-41.5 kg N-P-K/ha) recorded significantly higher water use efficiency, production efficiency, seed yield (1.76 t/ha), stalk yield (6.56 t/ha), N, P and K uptake, net income (Rs 11,784/ha) and B:C ratio (1.80) over other nutrient levels.References
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