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Fertilizer Management on Groundnut at Charland Eco-system

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

M. Z. Ali
SSO
Agronomy Division, BARI, Gazipur

Abstract/ Executive Summary:

An experiment was conducted under char land situation at the MLT site, Bhuapur, Tangail during Rabi 2013-14 to find out optimum fertilizer dose for BARI Chinabadam-8 under farmers’ field condition. Four fertilizer packages viz T₁: 12-32-43-54-2 kg ha^-1N-P-K-S-B (recommended fertilizer dose based on AEZ), T₂: 47-38-25-15-0.5 kg ha^-1N-P-K-S-B (based on soil test). T₃: 7-1-2-0-0-0 kg ha^-1N-P-K-S-B (farmer’s practice) and T4: Native (control) was considered as treatments. Among the treatments, T₂: 47-38-25-15-0.5 kg ha^-1N-P-K-S-B gave the highest seed yield (1.83 t ha^-1) followed by T₁: 12-32-43-54-2 kg ha^-1N-P-K-S-B (1.38 t ha^-1), T₃: 7-1-2-0-0-0 kg ha^-1N-P-K-S-B (1.15 t ha^-1) and lowest seed yield (0.90 t ha^-1) was obtained from T₄ treatment. The highest gross return (Tk. 58,560 ha^-1) , gross margin (Tk. 29,055 ha^-1) and BCR (1.98) were recorded in soil test basis fertilizer dose (47-38-25-15-0.5 kg ha^-1N-P-K-S-B) . The lowest gross return (Tk. 28,800 ha^-1), gross margin (Tk. 7675 ha^-1) and BCR (1.36) were found in the control plot. BARI Chinabadam-8 along with 47-38-25-15-0.5 kg ha^-1N-P-K-S-B (soil test based) may be recommended for large scale production in the char land area of Bhuapur, Tangail (AEZ- 8).

Keywords: Fertilizer, Groundnut, Charland

Location: The MLT site, Bhuapur, Tangail

Start Date: 26-11-2013

End Date: 03-05-2014

Program Area: Crop-Soil-Water Management

Commodity: Ground nut

Objectives:

To find out optimum fertilizer dose of groundnut for char land eco-system under AEZ 8.

Methodology:

The trial was conducted at the MLT site, Bhuapur, Tangail (AEZ- 8) during the rabi 2013-14. The soil of the experimental field was silty loam in texture with pH 6.97 belonging to Grey Floodplain soil (AEZ- 8). Soil samples from experimental plots were collected and analyzed. The trial was laid out in RCB design with 3 dispersed replications. Unit plot size was 4 m x 3 m. Four fertilizer doses viz., T₁: 12-32-43-54-2 kg ha^-1N-P-K-S-B (recommended fertilizer dose based on BARI), T₂: 47-38-25-15-0.5 kg ha^-1N-P-K-S-B (based on soil test). T₃: 7-1-2-0-0-0 kg ha^-1N-P-K-S-B (farmer’s practice) and T4: Native Fertilizer dose (control) was tested on BARI Chinabadam-8. Fertilizers were applied as per treatments. Half of nitrogen and full quantity of P K S B were applied at the time of final land preparation in the form of urea, triple super phosphate, muriate of potash, gypsum and boric acid, respectively. Remaining N were top dressed at flowering stage and covered with soil followed by irrigation. The seeds were sown on 26 November, 2013 in line with seed rate 100 kg ha^-1. The plant spacing was 30 cm x 15 cm. Irrigation, pests and other crop management practices were done as and when necessary. The crop was harvested on 3 May, 2014. The data on different plant characters, yield components and seed yield were recorded having 2 m² from each plot and from 10 plants randomly selected in each plot. Collected data were analyzed statistically and means were adjudged by LSD test at 5% level of significance using Crop Stat package. Economic analysis was also done considering local market price of goundnut.

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:

The results indicated that BARI Chinabadam- 8 along with 47-38-25-15-0.5 kg ha^-1N-P-K-S-B (soil test based) may be recommended for large scale production in the char land area of Bhuapur, Tangail (AEZ- 8) and other extrapolation areas.

Knowledge Management: Report/Proceedings