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Effect of Sowing Date and Field Duration on the Yield and Economic Return of Radish at NARSingdi

M. R. Islam
On-Farm Research Division, BARI, Gazipur

M. A. Islam
On-Farm Research Division, BARI, Gazipur

Abstract/ Executive Summary:

An on-farm trial was conducted at Narsingdi MLT site during two consecutive rabi seasons of 1999-2000 and 2000-2001 to determine an appropriate sowing time as well as field duration to get maximum profit from radish cultivation. Sowing dates (30 October, 10 November and 20 November) were assigned to the main plot and field duration (40, 50 and 60 days) in the sub-plot. Two years results showed that yield and yield attributes of radish were affected significantly by both of sowing date and field duration. Yield of radish decreased significantly with the advancement of sowing dates but increased significantly with increase in field duration. Early sowing (30 October) and maximum field duration (60 days) contributed to higher yield of radish. However, highest gross margin (Tk.264808 ha^-1) and benefit-cost ratio (8.37) was obtained from 30 October sowing with field duration of 50 days. Delayed sowing at 20 November with field duration of 40 days incurred a benefit-cost ratio of 0.66. Field duration and early sowing were found more important for getting higher return in radish cultivation.

Keywords: Sowinh date, Field duration, Yield, Economic return

Location: MLT site, Narsingdi

Start Date: 00-00-1999

End Date: 00-00-2001

Program Area: Crop-Soil-Water Management

Commodity: Radish

Objectives:

To find out appropriate time of sowing and field duration for radish to obtain maximum yield and profit.

Methodology:

The experiment was conducted at cooperator farmers' field of MLT site, Narsingdi during two consecutive rabi season of 1999-2000 and 2000-01. The land was medium high with silty loam soil belongs to AEZ 9. Analysis of initial soil sample showed that soil reaction was slightly acidic (pH 5.1), organic matter content low (0.82), content of N (0.06) very low, K (0.30 meq 100 ml^-1) optimum, P (12 mg ml^-1) low, S (17 mg/ml) medium and Zn (4.4 mg ml^-1) very high. The experiment was laid out in split-plot design with three replications. Three dates of sowing viz. i) 30 October, ii) 10 November and iii) 20 November were assigned to the main plot while three field duration (40, 50 and 60 days) to sub plots. The area at each sub plot was 4, x 3 sq. m. The land was prepared well by ploughing and cross ploughing. Seeds were sown in line at spacing of 50cm x 15cm. Fertilizers were applied @ 124-32-80-20 kg N-P-K-S per hectare. All of P, S, Zn and 1/3 of N & K was applied as basal at the time of final land preparation. Rest of N and K was applied in two equal splits at 15 and 30 DAS followed by light irrigation. Weeding was done twice prior to top dressing of N & K. Data for individual root weight was collected from 10 randomly selected root while the yield was measured whole plot basis. Market price of the crop was recorded at each harvest according to treatments and cost and benefit calculated accordingly.

Source of Information: Bangladesh Agron. J. 2004, 10(1 & 2): 117-120 ISSN 41013-1922

Article Link (Online Journal):

Funding Source:

Total Budget (Tk.) :

Achievement/Findings:

Yield of radish decreased significantly with the advancement of sowing dates but increased significantly with increase in field duration. Early sowing (30 October) and maximum field duration (60 days) contributed to higher yield of radish. However, highest gross margin (Tk.264808 ha^-1) and benefit-cost ratio (8.37) was obtained from 30 October sowing with field duration of 50 days. Delayed sowing at 20 November with field duration of 40 days incurred a benefit-cost ratio of 0.66. Field duration and early sowing were found more important for getting higher return in radish cultivation.

Knowledge Management: Journal