Response of finger millet under organic nutrient management in sodic soil

S Rathika; T Ramesh; P Janaki; S M Vinodhini; M Baskar; A Selvarani; K Venkatalakshmi; N Satheeshkumar; P Ayyadurai; R Jagadeesan; G K Dinesh; S Kokilavani; R Vinoth

doi:10.14719/pst.6149

Authors

S Rathika Department of Soil Science and Agricultural Chemistry, Anbil Dharmalingam Agricultural College and Research Institute (ADAC&RI), TNAU, Tiruchirappalli - 620 027, Tamil Nadu, India https://orcid.org/0000-0003-1579-7641
T Ramesh Department of Agronomy, Anbil Dharmalingam Agricultural College and Research Institute, TNAU, Tiruchirappalli - 620 027, Tamil Nadu, India https://orcid.org/0000-0001-9869-9515
P Janaki Nammazhvar Organic Farming Research Centre, Tamil Nadu Agricultural University, Coimbatore - 641 003, Tamil Nadu, India https://orcid.org/0000-0002-3918-4519
S M Vinodhini Department of Agronomy, Anbil Dharmalingam Agricultural College and Research Institute, TNAU, Tiruchirappalli - 620 027, Tamil Nadu, India https://orcid.org/0009-0005-7079-2167
M Baskar Department of Soil Science and Agricultural Chemistry, Anbil Dharmalingam Agricultural College and Research Institute (ADAC&RI), TNAU, Tiruchirappalli - 620 027, Tamil Nadu, India https://orcid.org/0000-0002-9678-8212
A Selvarani Department of Agronomy, ICAR-KVK, TNAU, Thirupathisaram - 629 901, Tamil Nadu, India https://orcid.org/0000-0003-4434-3649
K Venkatalakshmi Department of Agronomy, Agricultural College and Research Institute, TNAU, Kudumiyanmalai - 622 104, Tamil Nadu, India https://orcid.org/0000-0002-8579-8781
N Satheeshkumar Department of Agronomy, Maize Research Station, TNAU, Vagarai - 624 613, Tamil Nadu, India https://orcid.org/0009-0002-1077-5128
P Ayyadurai Department of Agronomy, Centre of Excellence in Millets, TNAU, Athiyandal - 606 603, Tamil Nadu, India https://orcid.org/0000-0003-1889-6047
R Jagadeesan ICAR-KVK, Tamil Nadu Agricultural University, Virinjipuram - 632 104, Tamil Nadu, India https://orcid.org/0000-0003-4454-5910
G K Dinesh SRM College of Agricultural Sciences, Elapakkam - 603201, Chengalpattu, Tamil Nadu, India https://orcid.org/0000-0002-6605-9561
S Kokilavani Agro Climate Research Centre, Tamil Nadu Agricultural University, Coimbatore - 641 003, Tamil Nadu, India https://orcid.org/0000-0003-3548-6146
R Vinoth Institute of Agriculture, Tamil Nadu Agricultural University, Kumulur - 621 712, Tiruchirappalli, Tamil Nadu, India

DOI:

https://doi.org/10.14719/pst.6149

Keywords:

finger millet, manure, organic nutrient management, productivity, sodic soil

Abstract

Finger millet is a traditional food crop that holds immense significance due to its versatility, climate resilience, and higher nutritional value. Finger millet growers face challenges due to poor soil properties and environmental conditions. To meet the growing demand, finger millet production must be substantially increased through suitable organic nutrient management practices. Hence, the present study was carried out to evaluate the effect of organic nutrient management on the productivity and profitability of finger millet. Field experiments were conducted during the Kharif seasons of 2019 and 2020 at Anbil Dharmalingam Agricultural College and Research Institute, Tiruchirappalli in a randomized block design with three replications. The treatments comprised of 100 and 125% N equivalent either through farmyard manure (FYM) or vermicompost or composted poultry manure, 50% N equivalent FYM + 50% N equivalent vermicompost, 50% N equivalent FYM + 50% N equivalent composted poultry manure, 50% N equivalent vermicompost + 50% N equivalent composted poultry manure and 100% recommended dose of fertilizer (RDF) (60: 30: 30 kg NPK/ha) + FYM (12.5 t/ha). Finger millet variety TRY 1 was used as test crop. The results revealed that the application of 100% RDF (60: 30: 30 kg NPK/ha) + FYM (12.5 t/ha) registered significantly higher growth, yield attributes and yield of finger millet than other treatments. However, it was comparable with 125% N equivalent vermicompost (3.8 t/ha) and 125% N equivalent composted poultry manure (3.5 t/ha). With regard to economics, application of 125% N equivalent composted poultry manure (3.5 t/ha) registered higher net return (Rs.41621/ha) and benefit cost ratio (BCR) (2.28) over other treatments. Hence, application of 125% N equivalent vermicompost (3.8 t/ha) or 125% N equivalent composted poultry manure (3.5 t/ha) could be recommended as organic nutrient management strategy for getting higher productivity and profitability of irrigated finger millet under sodic soil.

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