Influence of Irrigation and Fertigation Levels through Intermittent Drip Irrigation on Yield Contributing Parameters of Carrot (Daucus carota L.)

GOVIND RAWAT; SUSANTA KUMAR JENA; UTTAM S. KADAM; PRAVIN M. INGLE

doi:10.54894/JISCAR.43.2.2025.168875

Authors

GOVIND RAWAT ICAR-Indian Institute of Water Management, Bhubaneswar - 751 023, Odisha, India
SUSANTA KUMAR JENA ICAR-Indian Institute of Water Management, Bhubaneswar - 751 023, Odisha, India
UTTAM S. KADAM College of Agricultural Engineering and Technology, DBSKKV, Dapoli - 415 712, Maharashtra, India
PRAVIN M. INGLE College of Agricultural Engineering and Technology, DBSKKV, Dapoli - 415 712, Maharashtra, India

https://doi.org/10.54894/JISCAR.43.2.2025.168875

Keywords:

"Fertilizer level", "Intermittent irrigation", "Irrigation level", "Root length", Shoulder diameter

Abstract

Water and nutrient management are important for sustainable development of agriculture, so as to achieve higher production. This experimental study aimed to determine the influence of pulse irrigation and fertigation levels through drip irrigation on yield contributing parameters of carrot (Daucus carota L.), which were conducted during 2019-20 and 2020-2021 in Dapoli (17° 45’ 14’’ N and 73° 10’ 45’’E), coastal Ratnagiri, Maharashtra. Three irrigation water levels of 80, 100 and 120% of crop evapotranspiration (ETc) were applied through four number of pulses P₁, P₂, P₃ and P₄ with constant 30 minutes interval between each pulse. The recommended nutrients were applied with water-soluble fertilizer with rates 80, 100 and 120% of recommended dose of fertilizer (RDF) along-with irrigation water through drip. The highest shoulder diameter was found in P₄ pulse number, I₂ (1.0 ETc) irrigation level and F₂ (1.0 RDF) fertigation level; and carrot root length in P₂ pulse number, I₃ (1.2 ETc) irrigation level and F₃ (1.2 RDF) nutrient level. The largest carrot diameter was observed in treatments of P₄I₂, P₄F₂, F₃I₂and P₄I₂F₂, and treatment combinations P₄₁I₄₁, P₄F3, F₁I₁ and P₂I₃F₃ recorded longest carrot roots. The maximum yield of 40.64 t ha^-1 and water productivity of 1.37 t ha^-1cm^-1 was obtained from P₄I₂F₂ and P₄I₁F₁, respectively.

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