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Effect of Nitrogen on the Growth and Yield of Carrot (daucus Carota L.)

M. Moniruzzaman
Department of Horticulture, Sher-e-Bangla Agricultural University, Dhaka-1207, Bangladesh

M. H. Akand
Department of Horticulture, Sher-e-Bangla Agricultural University, Dhaka-1207, Bangladesh

M. I. Hossain
Department of Horticulture, Sher-e-Bangla Agricultural University, Dhaka-1207, Bangladesh

M. D. Sarkar
Department of Horticulture, Sher-e-Bangla Agricultural University, Dhaka-1207, Bangladesh

A. Ullah
Department of Horticulture, Sher-e-Bangla Agricultural University, Dhaka-1207, Bangladesh

Abstract/ Executive Summary:

An experiment was carried out at farmer’s field in Debigonj, Panchagorh during November 2009 to February 2010 to evaluate the effect of four levels of applied nitrogen on the growth and yield of carrot. The experiment was laid out in a Randomized Complete Block Design with three replications. The maximum plant height (47.36 cm), root length (16.17 cm), fresh weight of leaves (145.1 g), dry matter content (11.66 g) of leaves, fresh weight of root (68.33 g), dry matter content of root (15.90%), gross yield (22.55 t/ha) and marketable yield (20.67 t/ha) were found in 100 kg N/ha.

Keywords: Carrot, Nitrogen, Growth, Yield

Location: Debigonj farmer’s field, Panchagorh

Start Date: 00-11-2009

End Date: 00-02-2010

Program Area: Crop-Soil-Water Management

Commodity: Fertilizer

Objectives:

To determine the optimum rate of nitrogen for the better growth and yield of carrot.

Methodology:

The experiment was conducted at Debigonj farmer’s field under the supervision of The Department of Horticulture, Sher-e-Bangla Agricultural University, Dhaka during November 2009 to February, 2010. The experimental area is situated in sub-tropical climatic zone as characterized by heavy rainfall during the months of April to September and scanty rainfall during the rest period of the year. The soil was mostly high land, sandy with low water holding capacity and erodible type having a pH value of 5.9. The single factor experiment was laid out in a Randomized Complete Block Design with three replications. The whole experimental area was 8.5 m × 8.0 m, which was divided into three blocks. Each block was again divided into 4 plots and hence there were 12 (4×3) unit plots. The size of unit plot was 2.0 m × 1.5 m. The distance between two adjacent blocks and plots were 1.0 m and 0.5 m, respectively. The experiment consisted of four levels of nitrogen viz., N₀ = Control, N₁= 70 kg N/ha, N₂= 100 kg N/ha and N₃= 130 kg N/ha. The treatments were assigned randomly in each block separately. Data on plant height, number of leaves per plant, length of root, diameter of root and yield contributing characters were recorded from ten selected plants. The recorded data on different parameters were statistically analyzed with the help of MSTAT-C Program. The treatments mean were separated by Least Significant Difference (LSD) at 5% level of significance for interpretation of the result.

Source of Information: The Agriculturists 11(1): 76-81 (2013) ISSN 2304-7321 (Online), ISSN 1729-5211 (Print), A Scientific Journal of Krishi Foundation

Article Link (Online Journal): http://banglajol.info/index.php/AGRIC/article/view/15246/10809

Funding Source:

Total Budget (Tk.) :

Achievement/Findings:

Nitrogen had significant influence on the growth and yield of carrot. The tallest plants (47.36 cm), highest number of leaves (11.61), highest root length (16.17 cm), maximum fresh weight of leaves (145.1 g), maximum dry matter content of leaves (11.66%), maximum dry matter content of root (15.90%), maximum fresh weight of root (68.33 g), maximum gross yield of root (22.55 t/ha) and maximum marketable yield of root (20.67 ton/ha) were found in 100 kg N per ha. Therefore, from the present study it may be concluded that, 100 kg N per ha were suitable for optimum growth and yield of carrot. Further study may be conducted in different agroecological zones of Bangladesh under variable field condition to confirm the result of the present experiment before recommending it to the grower

Knowledge Management: Journal