On Farm Research was conducted to study the nutrient recycling potential of IFS on irrigated sunflower. The livestock components of IFS were milch cows (2 + 1), goat (10 + 1) and guinea fowl (20 Nos.). The treatments were 100% recommended dose (RDF) of NPK (40: 20: 20 kg N: P2O5: K2O ha-1), 100% + FYM (12.5 t ha-1), 100, 75 and 50% RDF (40: 20: 20, 30:15:15 and 20:10:10 kg N: P2O5: K2O ha-1) along with 100 and 50% Available Organic Manure (5.8 and 2.9 t ha-1) from IFS components. Organic manure obtained from the livestock components of IFS were 3.8, 1.9 and 0.1 tonnes from milch cows, goat and guinea fowl respectively on dry weight basis. The yield attributes viz., head diameter, total number of seeds head-1, number of filled seeds head-1, hundred seed weight, seed and stalk yield were higher with 40: 20: 20 kg N: P2O5: K2O ha-1 + 5.8 t ha-1 AOM from IFS components. The grain yield obtained by addition of 5.8 t ha-1 of AOM was on par with 12.5 t ha-1 FYM.
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Tamil Nadu Agricultural University
Coimbatore - 641 003
Tamil Nadu, India.
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