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Water Use Efficiency, Biomass Production, Nitrogen and Potassium Uptake and Yield of Tomato (lycopersicon Esculentum Cv.ratan) Plants Grown Under Surface Drip and Flood Irrigation

A.H .M. Z. ALI
Department of Soil, Water & Environment, University of Dhaka, Dhaka

M.K. RAHMAN
Department of Soil, Water & Environment, University of Dhaka, Dhaka

Abstract/ Executive Summary:

An experiment was conducted in wooden boxes to evaluate water use efficiency, biomass production, nitrogen and potassium uptake and yield of tomato plants ( Lycopersicon esculentum) grown under flood irrigation (Fl) and surface drip irrigation (SDI). Leaf area, leaf area index, biomass production and yield of tomato plants were significantly (P<0.05) higher in SDI than Fl treatment. Biomass production (g/plant) was 53.3 and 42.2 and yield of tomato (kg/plant) was 1.27 and 0.99 in SDI and Fl treatments, respectively. Surface drip irrigation increased water use efficiency (Kgm^-3) of tomato plants by two fold (37.88) compared to flood irrigation ( 19.88). Significantly (P<0.05) higher concentrations of nitrogen in leaf (3.22%) and stem (2.62 %) were measured for tomato plants grown under SDI than FI (2.63 and 2.19 %). Potassium concentrations on the other hand, showed no significant differences

Keywords: Surface drip irrigation, Flood irrigation, Super typhoon , Water use efficiency

Location: Dhaka

Start Date:

End Date:

Program Area: Crop-Soil-Water Management

Commodity: Tomato

Objectives:

To compare and evaluate water use efficiency, growth and yield of tomato plants (local variety) grown under surface drip and flood irrigation.

Methodology:

Soils were collected from the bank of the river Turag (Near Baliarpur, Savar) at a depth of 0-15 cm, air-dried, processed and kept in plastic bags prior to set up of the experiment. The experiment was carried out in the net house of the Department of Soil, Water and Environment, University of Dhaka, Bangladesh. The soil had a pH of 6.5, and water holding capacity 33%, particle size distribution- 25% sand, 64% silt and 11% clay and texture silt loam. Available nitrogen and exchangeable potassium in soils were 1.4 mg/ 100g soil and 30 mg/ kg soil, respectively. Soil pH was measured electrometrically using Coming Glass Electrode pH meter at a soil:water ratio of l :2.5 (Jackson 1958). Hydrometer method was used for the particle size distribution of soil (Bouyoucos 1962). Available nitrogen content in soil was determined following the methods as described by Marr and Cresser (1983) and exchangeable potassium by Jackson (1958). There were: (a) two different irrigation techniques employed, i . e., (i) SDI = surface drip irrigation with pipe set up on the surface of the soil (0 cm depth) to supply water in the root zone and ; (ii) FI = flood irrigation, applying water on the soil surface; (b) one cultivar (CV), local tomato variety (Ratan) as a test crop. One variety (CV), two irrigation methods (IR) were replicated (R) three times. Therefore, 2 (IR) X l (CV) X 3 (R) = 6 boxes were used in the experiment. Boxes were arranged in a completely randomized design

Source of Information: J. Asiat. Soc. Bangladesh, Sci. 38(2): 207-215, December 2012

Article Link (Online Journal):

Funding Source:

Total Budget (Tk.) :

Achievement/Findings:

Among the advantages of drip irrigation the most important are high water application efficiency and minimized nutrient loss due to localized application of water. In the present investigation surface drip irrigation also increased the nitrogen concentration in tomato plants and increased its yield.

Knowledge Management: Journal