Author(s): S. BISWAS, S. KUMARI AND R. THAKUR

Abstract: A field trial was made at Divyayan KVK farm, Ramakrishna Mission Ashrama, Morabadi, Ranchi during winter season of 2021-22 to study the influence of organic liquid manures on growth, productivity, and profitability of potato. The experiment followed four times replicated randomized block design consisting of six treatments (Panchagavya @10%, Sasyagavya @10%, Kunapajala @10%, Poudh Sanjeevani @10%, Veeja Sanjeevani @5% and Control or water). Results revealed that potato manured with FYM @10 t ha^-1 and sprayed twice (30 and 60 days after planting i.e., DAP) with Kunapajala @10% produced tallest plant (32.73 cm at 50 DAP), maximum leaves plant^-1 (39.50 DAP), tubers plant^-1 (6.0) and more tuber weight plant^-1 (250.4g) resulting in higher tuber yield (238.2 q ha^-1), biological yield (284.41q ha^-1) and harvest index (83.75%). Consequently, it registered maximum net return (` 4,64,044 ha^-1) and B:C (4.53). Tuber treatment with Veeja Sanjeevani @5% also performed well. 10% Kunapajala spray can be recommended for organic cultivation of potato.

DOI: 10.22271/09746315.2023.v19.i2.1727

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