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Phosphorus Levels on Growth and Yield of Turnip (brassica Campestris Var. Rapifera)

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

M.Z.K. Roni
Department of Horticulture, Sher-e-Bangla Agricultural University, Dhaka-1207, Bangladesh

A.F.M. Jamal Uddin
Department of Horticulture, Sher-e-Bangla Agricultural University, Dhaka-1207, Bangladesh

S. Shahrin
Department of Horticulture, Sher-e-Bangla Agricultural University, Dhaka-1207, Bangladesh

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

Abstract/ Executive Summary:

The study was conducted in the Farm of Sher-e-Bangla Agricultural University, Dhaka, Bangladesh during the period from November 2009 to January 2010 to study the influence of different phosphorus levels on growth and yield of turnip. The experiment considered as different levels of phosphorus (P₀: 0 kg P₂O₅/ha (control); P₁: 40 kg P₂O₅/ha; P₂: 70 kg P₂O₅/ha and P₃: 100 kg P₂O₅/ha) in Randomized completely block design with three replications. Tallest plant (12.2 cm and 22.7 cm) was recorded from P₃ at 20 and 30 DAS. At 40, 50 DAS and at harvest the tallest plant (34.0 cm, 58.4 cm and 60.6 cm) was recorded from P₂. On the other hand at same DAS, the shortest plant (10.2 cm, 18.2 cm, 28.3 cm, 50.0 cm and 52.8 cm) was recorded from P₀. The highest diameter of root (3.7 cm) and yield per hectare (24.9 ton) was recorded from P₃ and the lowest root diameter (3.0 cm) and lowest yield per hectare (19.1 ton) was recorded from P₀.

Keywords: Turnip, Brassica campestris, Phosphorus

Location: Farm of Sher-e-Bangla Agricultural University, Dhaka, Bangladesh

Start Date: 00-11-2009

End Date: 00-01-2010

Program Area: Crop-Soil-Water Management

Commodity: Chinese cabbage

Objectives:

1. To study the influence of different phosphorus levels on growth and yield of turnip.

Methodology:

The study was conducted in the Farm of Sher-e-Bangla Agricultural University, Dhaka, Bangladesh during the period from November 2009 to January 2010 with four levels of phosphorus (e.g. P₀: 0 kg P₂O₅/ha (control); P₁: 40 kg P₂O₅/ha; P₂: 70 kg P₂O₅/ha and P₃: 100 kg P₂O₅/ha) in a completely randomized block design with three replications. The seed of a “Purple top white globe” Holland turnip variety were used in this experiment. The seeds were collected from Dhaka Seed Store, Siddique Bazar, Dhaka. The total amount of cowdung, TSP (as per requirement) and half of MP was applied as basal dose at the time of land preparation. The rest of MP and total amount of recommended Urea was applied in three installments at 10, 30 and 50 day after seed sowing. Data were collected in respect of the plant growth characters and yield of turnip. Data on plant height, number of leaves/plant and length of leaf were counted at 20, 30, 40, 50 days after sowing (DAS) and at harvest at January 15, 2010. All other parameters were recorded at harvest. Data were recorded on plant height, leaves number, leaf length, fresh weight of leaves per plant, fresh weight of modified root, total weight per plant, dry matter content of leaves and modified root, Days required to marketable root, root length and diameter, and root yield. The data obtained for different characters were statistically analyzed to find out the significance of the different levels of phosphorus on yield and yield contributing characters of turnip. The mean values of all the characters were evaluated and analysis of variance was performed by the ‘F’ (variance ratio) test. The significance of the difference among the treatment combinations means was estimated by the Duncan’s Multiple Range Test (DMRT) at 5% level of probability.

Source of Information: BANGLADESH RESEARCH PUBLICATIONS JOURNAL; ISSN: 1998-2003, Volume: 8, Issue: 1, Page: 29-33, January - February, 2013

Article Link (Online Journal):

Funding Source:

Total Budget (Tk.) :

Achievement/Findings:

Considering the finding it may be suggested that 100 kg P₂O₅/ha could be suggested for the commercial cultivation of turnip.

Knowledge Management: Journal