Agricultural Research Management Information System

Home
Research Summary
Search
About Us
- ARMIS
- Brochure
Contact Us
Report
User Request
Data Input
Help
- Operation Manual
  - PDF
  - Video
- Program Area & Commodity
We have reached 37600 number of research entries at this moment.

- Logout

Research Detail

Home
Research
Detail

Effects of Cowdung and Potassium on Growth and Yield of Kohlrabi

Mr. Md. Harun-Ar- Rashid
Assistant Professor
Department of Horticulture, Bangladesh Agricultural University, Mymensingh- 2202, Bangladesh

Abstract/ Executive Summary:

An experiment was carried out at the Horticulture Farm of the Bangladesh Agricultural University, Mymensingh during the period from November 2010 to January 2011 to study the effects of cowdung and potassium on growth and yield of Kohlrabi. The experiment consisted of three levels of cowdung (0, 20 and 40 t/ha) and four levels of potassium (0, 20, 50, 80 kg /ha). The experiment was laid out in randomized complete block design with three replications. All the parameters were significantly influenced by application of cowdung and potassium. The highest plant height (44.65 cm), number of leaves per plant (12.11), length of largest leaf (37.54 cm), and breadth of largest leaf (18.66 cm) were obtained from the highest dose of cowdung and potassium applied (40 t cowdung + 80 kg K/ha) while the lowest plant height (33.64 cm), number of leaves (9.01), length of largest leaf (27.94 cm), and breadth of largest leaf (11.00 cm) were obtained from control treatment combination. The highest fresh weight of leaves (49.33 g), fresh weight of knob (328.66 g) and fresh weight of roots (66.55 g) per plant were also recorded under the treatment combination of 40 t cowdung + 80 kg K/ha, while the lowest fresh weight of leaves (22.11 g), fresh weight of knob (136.00 g) and fresh weight of roots (23.33 g) were obtained from control treatment combination. Similarly, the dry weight of leaves (19.34%), knob (15.19%) and roots (32.75%) were highest under the same treatment combination of 40 t cowdung + 80 kg K/ha and the lowest dry weight of leaves (11.71%), dry weight of knob (7.38%) and dry weight of roots (15.29%) were obtained from control treatment combination C₀K₀. The marketable yields of knob per plot (7.86 kg) and per hectare (39.58 tons) were also the highest under the treatment combination 40 t cowdung/ha and 80 kg potassium per hectare.

Keywords: Kohlrabi, Cowdung, Potassium, Growth, Yield

Location: Horticulture Farm of the Bangladesh Agricultural University, Mymensingh

Start Date: 12-10-2010

End Date: 00-01-2011

Program Area: Crop-Soil-Water Management

Commodity: Jujube

Objectives:

To study the effect of cowdung and potassium on growth and yield for obtaining high economic return of Kohlrabi.

Methodology:

The present study was carried out at the Horticultural Farm of the Bangladesh Agricultural University, Mymensingh during the period from October 2010 to January 2011. The soil of the experimental plot was silty loam in texture and medium high in nature belonging to the Old Brahmaputra Floodplain Alluvium under the Agro-Ecological Zone 9 (UNDP and FAO, 1988). The variety of Kohlrabi selected for the experiment was Winter queen F-1. It is a hybrid variety and originated from Japan. Seeds were sown on 12 October 2010. The experiment consisted of 3 levels of cowdung manure (0, 20 and 40 t ha^-1) and 4 levels of potassium (0, 20, 50, 80 kg K ha^-1). The two factor experiment comprised 12 treatment combinations, and was laid out in randomized complete block design with three replications. The total number of plots was 36. The size of each unit plot was 1.6m × 1.2m. The crop was fertilized with urea, TSP, Borax @ of 200, 150 and 10 kg per hectare, respectively (Haque, 1985). Entire amount of cowdung and TSP, half of MoP and one third of urea were applied in respective plots as per treatment during the final land preparation. The rest of urea and MoP were applied in 3 equal installments. Data on plant height, number of leaves, length of largest leaf and breadth of largest leaf were collected 20 days after transplanting (DAT). All other parameters were recorded during harvest and after harvest. The collected data were analyzed statistically and analysis of variance was done with the help of MSTAT computer programme. The mean differences among the treatments were tested with least significant difference (LSD) at 5 and 1% levels of probability (Gomez and Gomez, 1984).

Source of Information: J. Bangladesh Agril. Univ. 10(1): 27–32, 2012, ISSN 1810-3030

Article Link (Online Journal):

Funding Source:

Total Budget (Tk.) :

Achievement/Findings:

Cowdung showed highly significant effect on the number of leaves per plant. The maximum number of leaves per plant (10.59) was obtained from C2 (40 t cowdung ha^-1) treatment while the minimum number of leaves (9.55) was found from the treatment of C0 (0 t cowdung ha^-1) at harvest.The longest plant height (42.26 cm) at harvest was recorded from K3 (80 kg K ha^-1) treatment while the shortest plant height (34.74 cm) was observed from K0 (0 kg K ha^-1) . The plant height increased with the increased doses of K fertilizer. This result is partially supported by Farooque and Mondal (1987). The maximum number of leaves per plant (10.92) was found from the K3 (80 kg K ha^-1) treatment while the minimum (9.59) was found from control (K0) treatment. The combined effect of cowdung and potassium was statistically significant on plant height, number of leaves, number of lateral roots per plant, fresh weight of leaves and knobs per plant, dry weight of leaves and knob per plant, marketable yield per plot and per hectare. The longest plant height (44.65 cm) was recorded from the treatment combination of C2K3 (40 t cowdung ha^-1 and 80 kg K ha^-1) while the shortest plant height (33.64 cm) was found in the treatment combination of C0K0 (0 t cowdung ha^-1 and 0 kg K ha^-1). The marketable yields of knob per plot (7.86 kg) and per hectare (39.58 tons) were also the highest under the treatment combination 40 t cowdung/ha and 80 kg potassium per hectare.

Knowledge Management: Journal