OPTIMIZING WARE POTATO LONGEVITY AND SPROUT SUPPRESSION VIA NUTRITION MANAGEMENT DURING NON-REFRIGERATED STORAGE
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Authors
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Amanpreet singh
Assistant Professor, KVK, Fatehgarh Sahib-PAU Ludhiana
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C S Aulakh
Punjab Agricultural University
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Neena Chawla
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A S Sidhu
Keywords:
Potato storage, Farmyard manure, Biofertilizer, Phosphorus, Shelf life and qualityAbstract
In regions with subtropical climates, where farmers often cultivate small and marginal
quantities of ware potatoes, storage at ambient temperatures is common, necessitating the use of
various storage techniques to prolong shelf life. Employing external substances that stimulate growth
is one such method utilized to positively influence the quality of potato tubers during storage. A
two-year field experiment conducted in Punjab, India, assessed the effects of farmyard manure (FYM),
biofertilizer (Biof), and phosphorus levels on stored ware potato tubers. Results revealed that FYM
(50 t/ha) application led to substantially lower weight loss (24.0-26.6%), rotting loss, and sprouting
percentages (ranging from 86.0% to 91.1% in Ludhiana and 87.5% to 93.4% in Jalandhar) compared to
biofertilizer (10 kg/ha), and the control. Additionally, although not statistically significant, phosphorus
levels displayed a consistent trend, with P200 (125 kg/ha P2O5) demonstrating the lowest weight
loss and rotting loss values. These findings underscore the efficacy of FYM (50 t/ha) in enhancing
tuber storage quality and market viability, highlighting the importance of organic amendments and
phosphorus management in optimizing storage protocols for potato farming practices.
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