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Irrigation Requirement and Water Use Efficiency for Wheat Production Under Different Water Regimes-2001

M Nurul Islam
CSO & Head
IWM Division, BRRI

Dr M A Sattar
Head and Chief Scientific Officer
IWM Division, BRRI

Dr Golam Wahed Sarker
sso
IWM Division, BRRI

M Moniruzzamanr
sso
IWM Division, BRRI

Abstract/ Executive Summary:

The study was conducted at Chuadanga sadar Upazila, Chuadanga with the objectives to determine the optimum number of irrigation and the water use efficiency for achieving maximum yield and to determine the total amount of water use for different level of treatments. The result showed that in sandy loam soil of Chuadanga the maximum wheat yield was obtained 3740 kg.ha-1 under 5 no. of irrigation with 349 mm depth of water. The respective water use efficiency was found 10.7 kg.ha^-1.mm^-1. It was observed that under one irrigation and two irrigation, the water productivity were high but total yield productivity was very low. Therefore, it was found that for maximum yield of wheat with 4 and 5 no of irrigation were better option.

Keywords: Irrigation requirement, Water use efficiency, Water regimes

Location: Chuadanga sadar Upazila, Chuadanga

Start Date: 01-07-2000

End Date: 30-06-2001

Program Area: Crop-Soil-Water Management

Commodity: Water management

Objectives:

To determine the optimum number of irrigation and the water use efficiency for achieving maximum yield
To determine the total amount of water use for different level of treatments

Methodology:

The study was conducted at Chuadanga sadar Upazila, Chuadanga. Five water treatments were followed: T¬₁=Irrigation at CRI stage (20DAS) T₂= Irrigation at CRI and maximum tillering stage (20 and 40 DAS) T₃= Irrigation at CRI, maximum tillering and booting stage (20, 40 and 60 DAS) T₄= Four irrigation at 20, 35, 50 and 70 DAS T₅=Five irrigation at 20, 35, 50, 65 and 80 DAS The amount of water applied for each treatment was measured and the rainfall was recorded for the growing season. The yield of wheat under each treatment was recorded as following standard method. The experiment was repeated for confirming the findings of the last year result and also determined the water use efficiency for re-maximum yield production of wheat. The soil of the study location was sandy loam, which is one of the concentrated wheat growing area of Chuadanga.

Source of Information: Proceedings of BRRI Annual Internal Research Review, 2001

Article Link (Online Journal):

Funding Source:

1. Asian Development Bank

Budget:

Total Budget (Tk.) :

Achievement/Findings:

The result shows that in sandy loam soil of Chuadanga the maximum wheat yield was obtained 3740 kg.ha^-1 under 5 no. of irrigation with 349 mm depth of water. The respective water use efficiency was found 10.7 kg.ha-1.mm^-1. It was observed that under one irrigation and two irrigation, the water productivity were high but total yield productivity was very low. Therefore, it was found that for maximum yield of wheat with 4 and 5 no of irrigation were better option.

Knowledge Management: Report/Proceedings