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Effect of Fertilizer and Irrigation on the Yield of Wheat at the G. K. Project Area.

A. A. Sarkar
BINA, Agri-varsity campus, Mymensingh

A. A. Hassan
BINA, Agri-varsity campus, Mymensingh

M. I. AIi
BINA, Agri-varsity campus, Mymensingh

M. C. Chanda
BINA, Agri-varsity campus, Mymensingh

B. C. Basak
BINA, Agri-varsity campus, Mymensingh

Giasuddin Ahmed
BWDB, Kushtia.

Abstract/ Executive Summary:

An experiment on wheat was conducted at Amla experimental Farm, G. K. project, Kustia, to determine the effect of different fertilizer and irrigation treatments on the yield end yield components of wheat. Both fertilizer and irrigation treatments responded positively to the yield and yield components of wheat. The highest grain yield (3.16 t/ha) and straw yield (3.41 t/ha) were obtained in fertilizer treatments of P₈₀S₂₀Zn₁₀. Response of Zn and S to wheat was also prominent, Highest grain yield (3.56 t/ha) was obtained with four irrigation (15.6 cm) at different times whereas applying one irrigation (4.1 cm) after 21 days of sowing recorded 2.99 t/ha of wheat grain yield and also the highest crop water use efficiency (0.296 t/ha/cm) was obtained compared to other irrigation treatments. Considering the costs of irrigation and fertilizers it may be suggested that one irrigation after 21 days of sowing and P₈₀S₂₀Zn₁₀ would be the most economical for obtaining moderately higher yield of wheat grain as compared to other irrigation treatments under the condition of the experiment.

Keywords: Effect, Fertilizer, Irrigation, Yield, Water management

Location: Amla experimental farm, G. K. project, Kushtia

Start Date: 01-11-1985

End Date: 30-04-1986

Program Area: Crop-Soil-Water Management

Commodity: Water productivity

Objectives:

To determine the effect of different fertilizer treatments and actual water requirement of wheat in order to arrive at site specific recommendation on both fertilizer and water use.

Methodology:

A field experiment was conducted during 1985-86 with Sonalika variety of wheat at the Amla experimental farm, G. K. project, Kushtia. There were eight fertilizer treatments and four irrigation treatments. The experiment was started in the last week of November 1985. Wheat seeds were sown in 20 cm spaced lines in 5m x 3m plot sizes. All treatments were replicated three times. The experiment was laid out in a split-plot desiqn, A buffer zone of 2 m was maintained between two replications and 0.75m between irrigation treatments in each replication. Each irrigation treatment had 8 unit plots where fertilizer treatments were placed. The specified doses of fertilizers were applied and incorporated during the final land preparation. Basal application of nitrogen (urea) and potassium (M. P.) were made at-the rate of 60 kg N/ha and 60 kg K₂0/ha, respectively, during the final land preparation. Another 60 kg N/ha was applied at maximum tillering stage. Before land preparation pre-sowing irrigation of 1.0 cm was made. Crop water use (Cu) was calculated by the water balance method. Run-off and drainage were considered negligible as because water application rate did not exceed the infiltration rate and drainage which may have occurred was small in amount compared to total seasonal Cu. The wheat was harvested in the 3rd week of April, 1986. The harvested crop was threshed, dried and weighed. The data on grain and straw yield was taken. Other observations such as number of of tillers/ m², panicle length. plant height and grain weight were recorded. All the data were statistically analyzed.

Source of Information: Bangladesh J. Nuclear Agric. 3: 66-74, 1987

Article Link (Online Journal):

Funding Source:

Total Budget (Tk.) :

Achievement/Findings:

Considering the costs of irrigation as well as fertilizers and the limitation of both the inputs at farmers level, the combined treatment of one irrigation after 21 days of sowing and P₈₀S₂₀Zn₁₀ stands to be the best for moderately higher grain yield of wheat under the condition of the experiment.

Knowledge Management: Journal