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Interactive Effects of Vermicompost and Seed Tuber Size on the Production of Potato (solanum Tuberosum L.)

Maruf Mostofa
Institute of Seed Technology, Sher-e-Bangla Agricultural University, Dhaka-1207, Bangladesh.

Tuhin Suvra Roy
Institute of Seed Technology, Sher-e-Bangla Agricultural University, Dhaka-1207, Bangladesh.

Rajesh Chakraborty
Institute of Seed Technology, Sher-e-Bangla Agricultural University, Dhaka-1207, Bangladesh.

Abstract/ Executive Summary:

An experiment was conducted to find out the effect of vermicompost and seed tuber size on the yield of Potato. The experiment consisted of two factors, i.e., factor A: Vermicompost level (Vc-4): Vc₁: 0 t/ha, Vc₂: 3 t/ha, Vc₃: 6 t/ha and Vc₄: 9 t/ha; factor B: Tuber size (T-5): T₁: 5 - 10 g, T₂: 10 - 20 g, T₃: 20 - 30 g, T₄: 30 - 40 g and T₅: >40 g. Vermicompost was found to have a significant effect on most of the yield contributing parameters. Results showed that yield parameters increased with increasing vermicompost level irrespective of tuber size. Among the 20 treatment combinations, vermicompost @ 9 t/ha with tuber size > 40 g produced the maximum yield (31.33 t/ha) that was 216.82% higher than Vc₁T₁.

Keywords: Interactive effects, Potato, Tuber size, Vermicompost, Yield

Location: Sher-e-Bangla Agricultural University, Dhaka-1207.

Start Date: 00-11-2015

End Date: 00-04-2016

Program Area: Crop-Soil-Water Management

Commodity: Vermicompost and vermiculture, Potato

Objectives:

To investigate the effect of vermicompost and seed tuber size on the yield of potato.

Methodology:

The experimental work was conducted at the research field of Sher-e-Bangla Agricultural University, Dhaka-1207 from 1 November 2014 to 30 April 2015 and 1 November 2015 to 30 April 2016 in the Rabi season (winter). The experimental area was located at 23° 77' N latitude and 90° 38' E longitudes and at an altitude of 8.6 m from the sea level and the area was under the Agro-ecological Zone (AEZ-28) and belonged to the Madhupur Tract (Brammer et al. 1988). The soil of the research field was general soil type series of shallow red-brown terrace soil under the Tejgaon series. Upper-level soils were clay loam in texture, olive-gray through common fine to medium distinct dark yellowish-brown mottles. Soil pH was 5.6 and had organic carbon 0.45%. Sufficient sunshine, irrigation, and drainage facility were available during the experimental period. The experiment consisted of two factors viz., (a): Vermicompost level (Vc₁: 0 t/ha; Vc₂: 3 t/ha; Vc₃: 6 t/ha; Vc₄: 9 t/ha) and (b): Seedling tuber size (T₁: 5 - 10 g; T₂: 10 - 20 g; T₃: 20 - 30 g; T₅: > 40 g). The seedling tuber of BARI TPS-1 was used for the study. The experiment was laid out in a split-plot design with 3 replications. Vermicompost was assigned to the main plot and seedling tuber size to the subplot. The distance between row to row was 50 cm and the plant to plant was 25 cm. The distance between the plot to the plot was 75 cm. The size of the unit plot was 2 m × 1.5 m. The allocated plots were fertilized by recommended doses of urea, muriate of potash (MOP), triple superphosphate (TSP), zinc sulfate, gypsum, and boric acid (Mondal et al. 2011) except treatment. The total amount of vermicompost was applied at 7 days before planting as per treatment. Data on different yield parameters viz., No. of tuber/hill, the weight of tuber/hill, average tuber weight, yield (t/ha), marketable yield (t/ha), non-marketable yield (t/ha), seed potato yield (t/ha), and non-seed potato yield (t/ha) were determined. The same study was conducted under the same treatment under the same field condition in both years and finally, the means were taken from those two experiments. Statistics 10 (version 2013) computer package was applied for analysis following ANOVA technique and means were compared by LSD at 5% level of probability (Gomez and Gomez 1984).

Source of Information: Bangladesh J. Bot. 50(3): 695-700, 2021 (September)

Article Link (Online Journal): DOI: https://doi.org/10.3329/bjb.v50i3.55850

Funding Source:

Budget:

Total Budget (Tk.) :

Achievement/Findings:

It was observed that yield sharply increased with increasing vermicompost level up to 6 t/ha and, exhibited a statistically similar yield. Among the 20 treatment combinations, although Vc₄T₅ i.e., vermicompost 9 t/ha and tuber size > 40 g produced the highest yield (31.33 t/ha) but Vc₄T₄ and Vc₃T₅ showed statistically similar yield. However, the potato farmers of Bangladesh may be benefited from potato cultivation by using vermicompost, ultimately, they can sell their quality potato to the potato processing industry at a high price.

Knowledge Management: Journal