EFFECT OF INTEGRATED NUTRIENT MANAGEMENT ON GROWTH, YIELD AND QUALITY OF ONION (Allium cepa L.) UNDER SUBTROPICAL CONDITIONS IN HIMACHAL PRADESH
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Date
2020-10-25
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COLLEGE OF HORTICULTURE AND FORESTRY, DR Y S P UHF, NERI, HAMIRPUR
Abstract
The present investigations entitled “Effect of Integrated nutrient management on growth, yield and quality of onion (Allium cepa L.) under subtropical conditions in Himachal Pradesh” were carried out at the Experimental farm of College of Horticulture and Forestry, Neri, Hamirpur (HP) during the Rabi season of 2019-2020 with the objective to study the effect of different integrated nutrient management treatments on growth, yield and quality of onion cv. Agrifound Dark Red. The experiment was laid out in randomized block design with three replications comprising of nine treatments with a plot size 2 × 2 m2 and plant spacing 15 × 10 cm. The results revealed that treatment T8 (50% Recommended FYM (125 q/ ha) + Sheep manure (95 q/ ha) as basal dose at the time of field preparation + 50% RDF of NPK + Panchagavya @ 3% at 20 days interval from transplanting) was rated as the best treatment for most of the characters like plant height (26.63, 39.18 and 59.21 cm at 30, 60 and 90 DAT), average bulb weight (87.43 g), bulb size index (24.53 cm2), total bulb yield (349.50 q/ha), total soluble solids (13.67 %), dry matter content (14.23 %), marketable bulb yield (13.60 kg/plot) followed by treatment T6 (Recommended Sheep manure (190 q/ ha) as basal dose at the time of field preparation + 50% RDF of NPK + Panchagavya @ 3% at 20 days interval from transplanting). The highest gross income (6,99,000 Rs/ha), net income (5,46,880.71 Rs/ha) and cost: benefit ratio (1: 3.59) was also recorded with the treatment T8. No insect and disease incidence was noticed during the course of investigation. Hence, it can be concluded that application of 50% Recommended FYM (125 q/ ha) + Sheep manure (95 q/ ha) as basal dose at the time of field preparation + 50% RDF of NPK + Panchagavya @ 3% at 20 days interval from transplanting can be suggested as best integrate combination as it enhances the growth, yield and quality of onion, gives maximum net returns and also improves soil health.
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