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Irrigation Scheduling to Mustard Using Pan Evaporation

A.A. SARKAR
Bangladesh Institute of Nuclear Agriculture, P.O. Box No.4, Mymensingh, Bangladesh

A.A. HASSAN
Bangladesh Institute of Nuclear Agriculture, P.O. Box No.4, Mymensingh, Bangladesh

Abstract/ Executive Summary:

Two field experiments on mustard (Mutant 1) were conducted at two locations; one at BINA-farm and the other at RARS-Ishurdi farm in the winter season of 1986-87 to determine water expense and yield of mustard as influenced by various irrigation schedules. Highest yields of 1.29 t/ha and 1.18 t/ha were obtained with 3 irrigations at BINA-farm and 5 irrigations at RARS-]shurdi farm, respectively. Irrigation showed significant influence on the yield and yield components of mustard (Mutant 1) at P = 0.01 for both the experiments. At BINA-farm, one irrigation after 25 days and at RARS-Ishurdi farm, two irrigations, one after 25 days and another (at IW/CPE= 0.2) after 64 days of sowing gave reasonably good yield of mustard (Mutant 1).

Keywords: Irrigation schedule, mustard, pan evaporation

Location: RARS-Ishurdi farm

Start Date: 28-11-1986

End Date: 31-03-1987

Program Area: Crop-Soil-Water Management

Commodity: Irrigation scheduling

Objectives:

1. The present study was made to make proper irrigation schedules for obtaining the higher yields of this major winter oilseed crop.

Methodology:

The two field experiments were conducted, one at BINA-farm and the other at RARS-Ishurdi farm. Both the experiments were conducted with same design and treatments. The experiments were laid out in randomized block design. There were six irrigation treatments with 3 replications at BINA-farm and 4 replications at RARS-Ishurdi farm with plot size 4 m x 5 m. The irrigation treatments were in total 6 in numbers. Each plot was fertilized uniformly as per recommended doses. First irrigation was made after 25 days of sowing and later irrigations were followed as per irrigation schedule treatments. The irrigation water was measured by bucked system. Soil moisture in the experimental plots was determined (gravimetrically) at 15 to 30 cm depths prior to as well as after application of each irrigation. Meteorological data were collected for two locations from the local meteorological stations.

Source of Information: Thai J. Agric. Sci. 21 (October 1988); 311-321

Article Link (Online Journal):

Funding Source:

Total Budget (Tk.) :

Achievement/Findings:

Irrigation showed significant influence on the yield and yield components of mustard (Mutant 1) at P = 0.01 for both the experiments. At BINA-farm, one irrigation after 25 days and at RARS-Ishurdi farm, two irrigations, one after 25 days and another (at IW/CPE= 0.2) after 64 days of sowing gave reasonably good yield of mustard (Mutant 1).

Knowledge Management: Journal