Experiment code 17.4.3.34
Experiment Title Response of drip irrigation on growth and yield of D x T coconut (Cocus nucifera L.) hybrid under south Gujarat condition
Research Type Departmental Research
Experiment Background Coconut is the major plantation crop cultivated predominantly in the humid tropics and tropical belts of India extending throughout the peninsular region comprising Kerala, Karnataka, Tamil Nadu, Andhra Pradesh, Goa, Maharashtra, Gujarat and the north eastern region. Irrigation has played a major role in the development of ancient civilization which can be understood from the historical and archaeological findings. Trickle irrigation, applies water in drops, compared method developed from sub irrigation, where irrigation is applied by raising the water table. The importance of irrigating coconut for sustained yield has been emphasised (Abeywardena, 1971; and Varadan and Madhava Chandran, 1991). Among the irrigation systems, drip irrigation is gaining importance as it maintains the soil moisture availability and air balance in the root zone of coconut near field capacity throughout the dry season and saves irrigation water (Vidhana Arachchi, 1998). Water requirement of coconut under littoral sandy soil for the non-rainy season (Dec. to May) was 5821 litres of water/palm supplied at the rate of 66% of Eo through drip. The cash flow analysis indicated that benefit cost ratio in the drip irrigated coconut garden was 2.02 as compared to 1.68 under basin irrigation and 1.07 in rainfed gardens (Dhanapal et. al. 2000). Dhanapal et. al. (2004) revealed that annual leaf production and leaf nutrient status (N and K) of coconut palm was significantly higher in the irrigated treatments whereas, the female flower production and nut yield with 66 per cent of Eo was at par with 100 per cent of Eo through drip and 100 per cent of Eo through basin irrigation. Drip irrigation equal to 66 per cent of open pan evaporation (Eo) proved to be economically efficient method of irrigation with water saving of 34 per cent compared to 100 per cent of Eo through basin and drip methods. Kapadiya et. al. (2006) advised to apply 47 liters water/palm/day in summer (March to June) and 30 liters water/palm/day during winter (October to February) in adult plantation (40 to 50 years old) of West Coast Tall variety through four droppers/palm at one meter distance from trunk, saves 47% of water.
Experiment Group Agricultural Engineering
Unit Type (02)EDUCATION UNIT
Unit (13)ASPEE COLLEGE OF HORTICULTURE (NAVSARI)
Department (216)Plantation Spices Medicinal and Aromatic,ACHF, Navsari
BudgetHead (329/02044/00)329/27/REG/03104
Objective

1. To find the crop water requirement of DxT hybrid coconut

2. To study the influence of drip irrigation on growth and yield of DxT hybrid coconut

3. To optimize the drip irrigation schedule in DxT hybrid coconut

4. To find the water use efficiency in DxT hybrid coconut

Season Perennial
Location Unit Type (02)EDUCATION UNIT
Location Unit (13)ASPEE COLLEGE OF HORTICULTURE (NAVSARI)
Location Department (216)Plantation Spices Medicinal and Aromatic,ACHF, Navsari
Plot No E- 4 (RHRS)
PI Name (NAU-EMP-2013-000911)PANKAJ PANDURANG BHALERAO
PI Email pankaj5bhalerao@nau.in
PI Mobile 9662532827
Year of Approval 2021
Commencement Year 2021
Completion Year 2026
Design of Experiment

Large plot technique (CRD)

Crop Spacing (cm x cm)

7.5m X 7.5m

Gross Plot (m x m) 15 m x 90 m
Net Plot (m x m) NA
Total Experiment Area (m2) 8000 sq mt.
Plot History Last Three Year

Coconut Plantation

Initial Soil Sample Analysis Report

NA

Initial Soil Sample Analysis Report Attachment Attachment Not Available!
Layout Plan

NA

Layout Plan Attachment Attachment Not Available!
Treatment

I1: Drip irrigation at 0.2 PEF

I2: Drip irrigation at 0.4 PEF

I3: Drip irrigation at 0.6 PEF

I4: Drip irrigation at 0.8 PEF

I5: Basin irrigation at 1.0  IW/CPE (IW=60mm)

I6: Control (No irrigation)

Treatment Attachment Attachment Not Available!
(NAU-EMP-2013-000911) PANKAJ PANDURANG BHALERAO pankaj5bhalerao@nau.in 9662532827 02-12-2021
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(NAU-EMP-1989-000475) NANALAL GANGDAS SAVANI ngs_swm@nau.in 9909666226 01/05/2021
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(NAU-EMP-1989-000923) PRASANTKUMAR ANANDMOHAN SHRIVASTAV pksnvs@nau.in 9426740728 01/05/2021
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