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Fertilizer Management of Hybrid Maize at Charland Eco-system

M. A. I. Sarker
SO
RARS,Burirhat

M.N. Islam
PSO
Agronomy Division, BARI, Gazipur

Abstract/ Executive Summary:

The experiment was conducted at char area, Mornea, Gongachara, Rangpur under ARS, BARI, Burirhat during rabi 2012-13 and 2013-14. Four fertilizer managements viz. T₁: Recommended dose (250-55-110-40-4-2 kg/ha NPKSZnB), T₂: AEZ based (196-36-75-30-2-1 kg/ha NPKSZnB), T₃: Soil test based (189-30-79-46-1.5 kg/ha NPKSZn in 2012-13 and 188-45-107-27-4-1 kg/ha NPKSZnB in 2013-14) T₄: Farmer’s practicing dose(171-23-56-10-8-3 kg/ha NPKSZnB) were tested in RCB design with 3 replications. From the two years result revealed that the recommended fertilizer dose gave better yield of maze which was statistically similar with soil test based fertilizer dose but The highest economic performance was observed in soil test based fertilizer management. The highest Gross return (Tk. 1,11,000/ha and Tk.1,17,720/ha in 2012-13 and 2013-14 respectively) obtained from recommended fertilizer dose (T₁) but highest gross margin (Tk. 50,168/h in 2012-13 and Tk. 57,728/ha in 2013-14) along with the highest BCR (1.89 in 2012-13 and 2.02 in 2013-14) was obtained in soil test based fertilizer management (T₁).

Keywords: Hybrid maize, Fertilizer dose, Charland eco-system

Location: Char area, Mornea, Gongachara,ARS,Burirhat, Rangpur

Start Date: 06-12-2012

End Date: 28-05-2014

Program Area: Crop-Soil-Water Management

Commodity: Maize

Objectives:

To find out optimum fertilizer dose of hybrid maize for char land eco-system.

Methodology:

The experiment was conducted at char area, Mornea, Gongachara, Rangpur under ARS, BARI, Burirhat during rabi 2012-13 and 2013-14. The soil of the experimental plot was sandy loam in texture under the AEZ # 3. Before conducting the experiment, the initial soil samples were collected from the experimental field and chemically analyzed in the SRDI laboratory, Dinajpur. Four fertilizer doses viz. T₁: Recommended dose (250-55-110-40-4-2 kg/ha NPKSZnB), T₂: AEZ based (196-36-75-30-2-1 kg/ha NPKSZnB), T₃: Soil test based (189-30-79-46-1.5 kg/ha NPKSZn in 2012-13 and 188-45-107-27-4-1 kg/ha NPKSZnB in 2013-14) and T₄: Farmer’s practicing dose(171-23-56-10-8-1.5 kg/ha NPKSZnB) were tested on BHM-9. The experiment was laid out in RCB design with three replications. The spacing maintained for Maize was 60 cm X 20 m. The size of the unit plot was 4m X 3m. Seeds of hybrid maize (BHM-9) were sown on December 6, 2012 and December 13, 2013. Half of N and full dose of other fertilizer was applied as basal. Rest N was applied as top dress in two equal splits at 40 and 60 days after sowing. Irrigation, other management and plant protection measures were done as required. Maize was harvested at 15 May on 2013 and 28 May on 2014. Yield was taken from whole plot. Collected data were analyzed statistically and means were adjusted by LSD test at 5% level of significance.

Source of Information: Annual Research Report 2013-2014, Agronomy Division, BARI, Gazipur.

Article Link (Online Journal):

Funding Source:

1. Government

Budget: 20,000/-

Total Budget (Tk.) : 20,000/-

Achievement/Findings:

From the above study, in both the year soil test based fertilizer management (T₃treatment) for hybrid maize showed better economic performance in char area.

Knowledge Management: Report/Proceedings