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International Journal of Applied Agricultural & Horticultural Sciences
  • 29 April, 2024
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DOI Prefix : 10.37322
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Vol. 12 (3&4) : May-August, 2021 Issue
Standardization of fertigation schedule for summer okra (Abelmoschus esculentus L.)
ASAWALE S.S.1* and KALE K.B2
Interfaculty Department of Iriigation Water Management, PGI, Mahatma Phule Krishi Vidyapeeth, Rahuri -713722, Ahmednagar
Designation :  
1M.Sc.Research Scholar *(shilpaasawale71@gmail.com), 2Assistant Professor
Subject : Horticulture (Spices, Ornamental & Plantation Crops, Floriculture and Landscape Architecture etc.)
Paper No. :
Total Pages : 4
Received :
Revised accepted :
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Citation :

Asawale, S.S., and Kale, K.B. 2021. Standardization of fertigation schedule for summer okra (Abelmoschus esculentus L.), Green F

ABSTRACT
A field experiment on standardization of fertigation schedule for summer okra (Abelmoschus esculentus L.) was conducted during the year 2018-2019 at the Research Farm of Interfaculty Department of Irrigation Water Management, P.G.I., Mahatma Phule Krishi Vidyapeeth, Rahuri, Dist. Ahmednagar, Maharashtra. Okra crop was sown on 02 Feb, 2018 at 0.30 m x 0.15 m (4 lines per BBF of 1.20 m top and 1.50 m bottom) spacing. The irrigations were provided as per requirement based on climatological parameters. The experiment was carried out in R.B. Design with eight treatments replicated three times. The result indicated that the application of water soluble fertilizers significantly enhanced the yield and yield contributing characters (except at 30 DAS) viz., plant height, number of leaves, leaf area, days to 50 % flowering, days to fruit initiation, days to fruit maturity, dry matter content, number of fruits plants-1, weight of fruit plants-1 and yield of okra. Fertigation was found to be more beneficial than conventional method in respect of increasing yield and water saving. The drip irrigation with 100% RD of fertigation produced significantly higher yield (18.15 t ha-1) than all other treatments. However, it was at par with T2 (16.15 t ha-1) and T7 (15.27 t ha-1) The treatment T1 (DI with 100% RDF through fertigation) recorded significantly maximum yield over T5 (DI with 100% RD of CF) and It indicated that fertigation using water soluble fertilizer dose increased 40.26% in yield over T5. Total seasonal water requirement in drip was 518.5 mm as compared to 810.8 mm in surface irrigation and resulted into 56.7% water saving. Application of water soluble fertilizers through drip irrigation resulted into more nutrient availability than conventional fertilizers. As far as level of fertilizers concerned drip irrigation with 100% recommended dose of water soluble fertilizer (T1) resulted in more nutrient availability ( 187.45, 34.82 and 504.60 kg NPK ha-1) at 60 DAS which was followed by treatment T2 – DI with 80% RDF through fertigation is (186.57, 33.81 and 500.73 kg NPK ha-1). The dry matter accumulation and total NPK uptake was improved significantly in fertigation treatments over conventional irrigation. Higher dry matter accumulation (23.62 g plant-1) and total uptake (99.27, 39.69 and 149.84 kg NPK ha-1) was recorded in treatment T1 i.e. drip irrigation with 100% recommended dose of fertilizer through fertigation at harvest.
Key words :
Fertigation, Growth attributes, Phenological parameters, Summer okra, and yield.