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Effect of Tillage, Fertilizer Level and Water Regime on Yield and Yield Contributing Character of Wheat

M. Mahbubul Alam
Dept. of Agronomy, Bangabandhu Sheikh Mujibur Rahman Agricultural University, Gazipur

M.L. Rahman
Monitoring Officer, Palli Karma- Sahayak Foundation (PKSF)

M.G. Mostafa
Dept. of Crop Botany, Bangladesh Agricultural University, Mymensingh

M.S. Kabir
Dept. of Agronomy, Bangladesh Agricultural University, Mymensingh-2202, Bangladesh

Abstract/ Executive Summary:

A field experiment was conducted at the Agronomy field laboratory, Bangladesh Agricultural University, Mymensingh during the period from November 2004 to 2005 to study yield and yield components of wheat as influenced by tillage , fertilizer level and water regime. The study included two water regime, viz., rainfed and irrigated, three tillage practices, viz., coarse tilth, medium tilth and fine tilth and four fertilizer levels , viz., low level (150 kg urea+ 120 kg TSP + 30 kg MP + 90 kg gypsum/ ha ie.75% of the recommended doses),medium level( 200 kg urea + 160 kg TSP + 40 kg MP + 120 kg gypsum/ ha ie. 100% of the recommended doses), high level ( 250 kg urea +200 kg TSP + 50 kg MP + 150 kg gypsum/ ha ie. 125% of the recommended doses) and very high level ( 300 kg urea + 240 kg TSP + 60 kg MP +180 kg gypsum/ha-150% of the recommended doses). A split plot design was used with three replications. Result revealed that water regime significantly influenced various yield and yield components of wheat except the length of spike. In case of water regime, highest grain yield (2.81 t/ha) was obtained in the irrigated treatment and lower (1.88 t/ha) in rainfed crop. Tillage had a significant effect on different plant characters except length of spike, spikelets/spike and 1000-grain weight. The highest grain yield (2.61 t/ha) was obtained from medium tilth condition; while lower grain yield (2.16 t/ha) received from coarse tilth condition, which was identical with fine tilth. Fertilizer level had significantly influenced all the yield components and yield of wheat. The maximum grain yield (2.67 t/ha) considering fertilizer level was obtained from high level of fertilizes and lowest (2.03 t/ha) from low levels of fertilizers. The interaction effect of water regime, tillage and fertilizer level had significantly affected effective tillers/plant, grain yield and straw yield of wheat. The highest grain yield (3.50 t/ha) was obtained from the interaction of irrigated × medium tilth × high level of fertilizer and lowest (1.45 t/ha) from the interaction of rainfed × coarse tilth × very high level of fertilizers. The study shows that irrigated condition , medium tilth and high levels of fertilizer may be used for getting high yield of wheat.

Keywords: Wheat, Water regime, Tillage, Fertilizer, Yield

Location: Agronomy field laboratory, Bangladesh Agricultural University, Mymensingh

Start Date: 00-11-2005

End Date: 00-04-2005

Program Area: Crop-Soil-Water Management

Commodity: Wheat

Objectives:

1. To study the yield and yield components of wheat as influenced by the tillage practices, fertilizer level and water regime.

Methodology:

Source of Information: J. Agrofor. Environ. 2(1): 1-6, 2008; ISSN 1995-6983

Article Link (Online Journal):

Funding Source:

Total Budget (Tk.) :

Achievement/Findings:

Result revealed that water regime significantly influenced various yield and yield components of wheat except the length of spike. In case of water regime, highest grain yield (2.81 t/ha) was obtained in the irrigated treatment and lower (1.88 t/ha) in rainfed crop. Tillage had a significant effect on different plant characters except length of spike, spikelets/spike and 1000-grain weight. The highest grain yield (2.61 t/ha) was obtained from medium tilth condition; while lower grain yield (2.16 t/ha) received from coarse tilth condition, which was identical with fine tilth. Fertilizer level had significantly influenced all the yield components and yield of wheat. The maximum grain yield (2.67 t/ha) considering fertilizer level was obtained from high level of fertilizes and lowest (2.03 t/ha) from low levels of fertilizers.

Knowledge Management: Journal