Vol. 6 (6) : November-December 2015 issue
Green Farming Vol. 6 (6) : 1255-1259 ; November-December, 2015
Performance of onion under organic sources of nitrogen and Panchakavya
LALITHA KADIRI1*, G. PRABHAKARA REDDY2 and V. CHANDRIKA3
Department of Agronomy, S.V. Agricultural College, Acharya N.G. Ranga Agricultural University, Tirupati - 517 502 (Andhra Pradesh)
Designation : 1Asstt. Professor *(lalithaprakash03@gmail.com), 2Prof. & Head, 3Professor
Subject : Agronomy and Crop Production
Paper No. : P-3326
Total Pages : 5
Received : 12 February 2015
Revised accepted : 02 November 2015
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Citation :
LALITHA KADIRI, G. PRABHAKARA REDDY and V. CHANDRIKA. 2015. Performance of onion under organic sources of nitrogen and Panchakavya. Green Farming Vol. 6 (6) : 1255-1259 ; November-December, 2015
ABSTRACT
A field experiment was conducted to study the effect of organic manures and Panchakavya on yield attributes, yield, quality, shelf life and nutrient uptake of onion. There were eleven treatments comprising of five different sources of nitrogen with and without Panchakavya to supply recommended dose of nitrogen on equal nitrogen basis. Highest yield attributes viz., bulb length, bulb diameter and mean bulb weight and yield were recorded with application of recommended dose of NPK through fertilizers (T2). Next best treatments were green leaf manure either with or without Panchakavya (T9 and T8) with significant disparity over FYM or sheep manure or poultry manure either with or without Panchakavya (T5, T4, T7, T6, T11 and T10) which were comparable with each other. The above parameters were at their lowest with control (T1) which in turn maintained parity with periodical spraying of Panchakavya alone (T3). The improved quality in terms of ascorbic acid content of the bulbs was registered with green leaf manure either with or without Panchakavya (T9 and T8) followed by FYM or sheep manure or poultry manure either with or without Panchakavya (T4, T5, T11, T7, T6 and T10) with significant disparity over periodical spraying of Panchakavya alone (T3), recommended dose of NPK through fertilizers (T2) and control (T1). Weight loss (%) of bulbs during storage was lesser with poultry manure either with or without Panchakavya (T7 and T6) followed by green leaf manure or sheep manure or FYM either with or without Panchakavya (T9, T8, T11, T10, T5 and T4) with significant disparity over periodical spraying of Panchakavya alone (T3), control (T1) and recommended dose of NPK through fertilizers (T2). Weight loss (%) during storage was the highest with recommended dose of NPK through fertilizers (T2). Uptake of nitrogen, phosphorus and potassium were the highest with recommended dose of NPK (T2), poultry manure and FYM respectively followed by green leaf manure and other organic sources tried. The lowest nutrient uptake was associated with control (T1).
Key words :
Nutrient uptake, Organic manures, Onion, Panchakavya, Shelf-life, Yield & quality attributes.
