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Effect of Variable Management Practices on the Yield of Different Varieties of Maize Composites

M. A. Quayyum
Agronomy Division, Bangladesh Agricultural Research Institute, Joydebpur, Gazipur

A. Ahmed
Agronomy Division, Bangladesh Agricultural Research Institute, Joydebpur, Gazipur

M. A. Zaman
Agronomy Division, Bangladesh Agricultural Research Institute, Joydebpur, Gazipur

N. A. Mondal
Agronomy Division, Bangladesh Agricultural Research Institute, Joydebpur, Gazipur

M. S. Alorn
Regional Agricultural Research Station, BARI, Jessore

Abstract/ Executive Summary:

The field experiment were conducted at Central Research Station of BARI, Joydebpur and Regional Agricultural Research Station, Jessore during Rabi 1996-97 and 1997-98 to study the effect of management practices (fertilizer, irrigation & insecticides) on three varieties of maize (Barnali, BARI Maize-5 and Mohor/Savar). Average over the years showed that significantly highest grain yield (6. 35t/ha) was obtained from high management among the treatments. The variety BAR I Maize-5 and Savar (Improved) gave higher yield of 4.78 and 4.99 t/ha at Joydebpur & Jessore, respectively. Interaction between management practices and variety revealed higher grain yields from variety BARI Maize-5 and Savar (Improved) could be obtained with high management practices at Joydebpur & Jessore. But from economic point of view, BARI maize-5 could be grown with medium management (Fertilizer 120-70-50-20-5 N P₂0₅, K₂0, S, Zn kg/ha) + two irrigation at 30 & 60 DAE+ insecticides application) at both the locations.

Keywords: Management Practices, Fertilizer, Irrigation, Maize

Location: Central Research Station, Joydebpur and Regional Agril.Research Station, Jessore

Start Date: 00-00-1997

End Date: 00-00-1998

Program Area: Crop-Soil-Water Management

Commodity: Maize

Objectives:

To find out the optimum management practices for different varieties of maize.

Methodology:

The experiment was conducted at Central Research Station, Joydebpur and Regional Agril. Research Station, Jessore during rabi season of 1996-97 and 1997-98. The soil of the experimental plot was silty clay (pH 6.5) at Joydebpur and clay loam (pH 7.9) at Jessore. The treatments variables were: three management practices: Low (Fertilizer 80-60-40 kg/ha N, P₂O₅, K₂O + 1 irrigation at 30 DAE), Medium (Fertilizer 120-70-50-20-5 Kg/ha N, P₂O₅, K₂O, S and Zn + 2 irrigations at 30 and 60 DAE + insecticide application} and High: (Fertilizer 160- 80-60-40-5 kg/ha of N, P₂0₅, K₂0, Sand Zn + 3 irrigations at 30, 60 and 90 DAE days after emergence) + insecticide application} were assigned in the main plot and variety [Joydebpur: Barnali, Mohar and BARl maize-5 and Jessore: Barnali, BARI maize-5 and Savar (Improved)] in sub-plot. The unit plot size was 5 m X 4.5 m having 75 cm row spacing and 25 cm plant spacing. The seeds were sown on November 26 at Jessore and at Joydebpur on November 24. The fertilizer 1/3 of N as urea, full amount of other fertilizers were applied as basal. The remaining 213 of N was topdressed at 30 DAE (for low management practices), 30 and 60 DAE (for both medium and high management practices). Three irrigations were applied at 30, 60 and 90 DAE according to treatments. Dimecron was sprayed once for the control of cob borer at 5- 6 leaf stage of maize. The crop was harvested at 148 and 150 DAS in Joydebpur and Jessore, respectively. Data were collected and analyzed statistically and means were compared by LSD test.

Source of Information: Bangladesh Agron. J. 1998,8 (1 & 2): 69-73, ISSN 1013-1922

Article Link (Online Journal):

Funding Source:

Total Budget (Tk.) :

Achievement/Findings:

The variety BARI Maize-5 and Savar (Improved) gave higher yield of 4.78 and 4.99 t/ha at Joydebpur & Jessore, respectively. Interaction between management practices and variety revealed higher grain yields from variety BARI Maize-5 and Savar (Improved) could be obtained with high management practices at Joydebpur & Jessore. But from economic point of view, BARI maize-5 could be grown with medium management (Fertilizer 120-70-50-20-5 N P₂0₅, K₂0, S, Zn kg/ha) + two irrigation at 30 & 60 DAE+ insecticides application) at both the locations.

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