Impact of land configuration methods on growth parameters of soybean in summer rice fallows

Chinmaya Sahoo; M Ameena; P P Shalini; V S Susha; R Ayisha; Ankit; Shilpa; Suraj  Sharma; Abhay  Verma

doi:10.14719/pst.4270

Authors

Chinmaya Sahoo Department of Agronomy, College of Agriculture, Kerala Agricultural University, Vellayani, Thiruvananthapuram, Kerala 695522, India https://orcid.org/0009-0008-5680-6341
M Ameena Department of Agronomy, College of Agriculture, Kerala Agricultural University, Vellayani, Thiruvananthapuram, Kerala 695522, India https://orcid.org/0009-0002-2378-7128
P P Shalini Department of Agronomy, College of Agriculture, Kerala Agricultural University, Vellayani, Thiruvananthapuram, Kerala 695522, India https://orcid.org/0000-0003-3432-2676
V S Susha Department of Agronomy, College of Agriculture, Kerala Agricultural University, Vellayani, Thiruvananthapuram, Kerala 695522, India https://orcid.org/0000-0003-1075-4845
R Ayisha Department of Plant Pathology, College of Agriculture, Kerala Agricultural University, Vellayani, Thrissur, Kerala 695086, India https://orcid.org/0009-0008-1112-8196
Ankit Department of Agronomy, Dr. Khem Singh Gill Akal College of Agriculture, Eternal University, Baru Sahib, Sirmaur, 173101, India; Department of Agronomy, College of Agriculture, CSK HPKV Palampur, Kangra, 176062 https://orcid.org/0000-0003-4362-5863
Shilpa Department of Agronomy, College of Agriculture, CSK HPKV Palampur, Kangra, 176062; Department of Agronomy, Lovely Professional University, Phagwara, Punjab 144411, India https://orcid.org/0000-0003-4392-5778
Suraj Sharma Department of Agronomy, College of Agriculture, CSK HPKV Palampur, Kangra, 176062 https://orcid.org/0009-0006-7252-3945
Abhay Verma Department of Agronomy, College of Agriculture, CSK HPKV Palampur, Kangra, 176062 https://orcid.org/0009-0001-3221-0155

DOI:

https://doi.org/10.14719/pst.4270

Keywords:

Broadbed and furrow, ridge and furrow, summer rice fallow, LAI, nodule

Abstract

A field experiment was performed to examine the impact of land configuration methods on various growth attributes of soybeans in summer rice fallows at the Instructional Farm, Vellayani. The experiment was conducted from February to May 2023 in a split plot design with three main plot treatments, viz., broadbed and furrow (BBF) (l1), ridge and furrow (RAF) (l2), and flatbed method (l3), and six varieties, viz., JS 9305 (v1), KDS 726 (v2), JS 2069 (v3), AISB 50 (v4), JS 335 (v5), and Basara (v6) as subplot treatments, replicated four times. The growth attributes were significantly influenced by land configuration methods where BBF recorded taller plants (14.98, 29.31, 39.06, 45.83 cm), highest leaf count (2.57, 4.73, 9.30, 11.07), superior leaf area index (LAI) (0.502, 1.495, 2.077, 3.898), and higher nodule fresh weight (0.850 g). However, the variety JS 2069 recorded taller plants (15.55, 30.47, 40.38, 47.95, 52.66 cm), highest leaf count (0.78, 2.07, 4.03, 4.95, 6.22), higher number of branches per plant (and superior LAI (0.534, 1.810, 2.471, 4.284) at all growth stages. Among the varieties tested, AISB 50 produced a higher nodule count of 41.88 (on par with JS 2069) and the highest nodule fresh weight (0.863). The study identified the BBF method as the most effective land configuration method and JS 2069 as the most suitable variety for soybean cultivation in summer rice fallows of Kerala.

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