Effect of Manure and Mulching under Drip Irrigation on Salinity and Yield of Brinjal in Coastal Saline Soils: Effect of manure and mulching under drip irrigation

SS Khobragade; PB Vanave; MR Wahane; KB Bhangare; ML Kaledhonkar; DK Borse; RL Meena; BL Meena; SB Dodake; KP Vaidya

doi:10.56093/jsswq.v17i2.167449

Authors

SS Khobragade Khar Land Research Station, Panvel, Dist. Raigad-410206, Maharashtra, India
PB Vanave Khar Land Research Station, Panvel, Dist. Raigad-410206, Maharashtra, India
MR Wahane Khar Land Research Station, Panvel, Dist. Raigad-410206, Maharashtra, India
KB Bhangare Khar Land Research Station, Panvel, Dist. Raigad-410206, Maharashtra, India
ML Kaledhonkar ICAR – Central Soil Salinity Research Institute, Karnal–132001, Haryana, India
DK Borse Khar Land Research Station, Panvel, Dist. Raigad-410206, Maharashtra, India
RL Meena ICAR – Central Soil Salinity Research Institute, Karnal–132001, Haryana, India
BL Meena ICAR – Central Soil Salinity Research Institute, Karnal–132001, Haryana, India
SB Dodake Khar Land Research Station, Panvel, Dist. Raigad-410206, Maharashtra, India
KP Vaidya Khar Land Research Station, Panvel, Dist. Raigad-410206, Maharashtra, India

https://doi.org/10.56093/jsswq.v17i2.167449

Keywords:

Salinity, brinjal, manure, mulching, drip irrigation

Abstract

Field experiments were carried out over four rabi seasons during 2019–20, 2020–2021, 2021–2022 and 2022– 2023 at Khar Land Research Station, Panvel, Maharashtra, India on coastal saline soil to examine the impact of various manures [no manure, farmyard manure (FYM), vermicompost] and mulches (no mulch, plastic mulch, and paddy straw) on soil salinity and the yield of brinjal under drip irrigation. Findings indicated a notable decrease in salinity (2.57 and 1.08 dS m^–1) at 30 days of transplanting (DAT) and 60 days after transplanting of brinjal, respectively with the application of FYM @ 7.5 Mg ha^–1 + vermicompost @ 2.5 Mg ha^–1 under with plastic mulch over initial salinity (EC) of 6.13 dS m^–1. The information additionally indicated that the combination of paddy straw mulch with FYM at 7.5 Mg ha^–1 + vermicompost at 2.5 Mg ha^–1 resulted in a notably higher fruit yield of brinjal (33.71 Mg ha^–1) compared to the no manuring treatment (26.86 Mg ha^–1). The paddy straw mulch (32.78 Mg ha^–1) resulted in a significantly higher brinjal yield than no mulching (28.03 Mg ha^–1). Additionally, it was noted that the combination of FYM @ 7.5 Mg ha^–1 + vermicompost @ 2.5 Mg ha^–1 with paddy straw mulch produced the highest yield (37.25 Mg ha^–1), followed by the treatment receiving FYM @ 15 Mg ha^–1 under paddy straw mulch (34.32 Mg ha^–1). According to the benefit-cost ratio, the combination of paddy straw mulch with FYM at 7.5 Mg ha^–1 and vermicompost at 2.5 Mg ha^–1 exhibited the highest ratio (1.38) in coastal saline soils of Kankan, Maharashtra.

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Effect of Manure and Mulching under Drip Irrigation on Salinity and Yield of Brinjal in Coastal Saline Soils