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Response of Turmeric to Planting Material and Mulching in the Hilly Region of Bangladesh

M.K. Alam
Horticulture Research Centre, Bangladesh Agricultural Research Institute, Gazipur 1701, Bangladesh.

Z. Islam
Horticulture Research Centre, Bangladesh Agricultural Research Institute, Gazipur 1701, Bangladesh.

M A. Rauf
Regional Horticulture Research Station, Akbarpur, Moulvibazar,

M.S. Alam
Hill Agricultural Research Station, Khagrachari, Bangladesh.

H.P. Mandal
Hill Agricultural Research Station, Khagrachari, Bangladesh.

Abstract/ Executive Summary:

A field experiment was conducted at the Hill Agricultural Research Station, Khagrachari to find out a suitable planting material and mulch material for turmeric production in the hill slope of Chittagong Hill Tracts. Nine treatment combinations comprising 3 levels of planting material (mother rhizome, primary finger and secondary finger) and 3 levels of mulching (rice straw, sungrass and non-mulched) were compared. Mother rhizome showed better yield performance. Sungrass appeared the best mulching material for producing higher turmeric yield. Mother rhizome coupled with sungrass mulching gave significantly higher yields (387.6 g clump^-1 and 29.4 t ha^-1) of turmeric in hilly region of Bangladesh.

Keywords: Planting material, Mulching, Turmeric and Curcuma Zanga

Location: Hill Agricultural Research Station, Khagrachari

Start Date: 00-04-2000

End Date: 00-01-2002

Program Area: Crop-Soil-Water Management

Commodity: Turmeric

Objectives:

To determine the effect of planting material and appropriate mulching materials on the growth and yield of turmeric in the hilly region.

Methodology:

The experiment was carried out at the Hill Agricultural Research Station, Khagrachari during the period from April 2000 to January 2001 and April 2001 to January, 2002 using the BARl released variety Dimla of turmeric. During the growing season of the crop, the average monthly minimum temperature was 12.8°C and maximum 31.9°C, relative humidity was 82.7% with a total rainfall of 2527.3 mm were recorded from the hill agricultural research station, Khagrachari during the growing season of 2000-01 and 2001-02. The experimental area was a fallow slope (about 20%) land. Slope of the land was measured by a framed level instrument. The soil was developed from sandstone and silt stone sedimentary rocks with fairly low water holding capacity, having a pH 4.5 to 5.0. A two factor (viz. planting material and mulching) experiment was conducted in a randomized block design with three replications. The unit plot size and plant spacing were 4 x 1.5 m² and 50 x 25 cm², respectively. There were 9 treatment combinations comprising of 3 levels of planting material and also same levels of mulching materials. The treatments were:

Planting materials P₁= Mother rhizome, P₂= Primary finger, P₃ = Secondary finger

Mulching materials M₁= Rice straw, M₂=Sungrass, M₃=control (non-mulched)

Experimental plots were prepared by spading. Seeds were planted in a furrow of about 5 cm depth and 15 cm width covered with soil with no subsequent ridging. Urea, TSP, MP, Gypsum and Zinc oxide were applied @ 200, 170, 160,105 and 5 kg ha^-1 respectively. The half of Urea and whole amount of all other fertilizers were applied during final land preparation and the remaining half of urea was top dressed in both year within 80-100 days after planting the seed. Mulch materials (10 t ha^-1) were applied in assigned plots just after planting the seeds. Usual cultural practices were performed as and when necessary. Data were recorded from 10 randomly selected plants from each treatment. Morphological data were recorded at 6 months after planting and yield data were recorded just after harvesting. The yield ton ha-I was calculated from the total yield plot^-1. Collected data were compiled for statistical analysis.

Source of Information: Pakistan Journal of Biological Sciences 6 (1): 7-9, 2003 (ISSN 1028-8880)

Article Link (Online Journal):

Funding Source:

Budget:

Total Budget (Tk.) :

Achievement/Findings:

The result indicated that mother rhizome was suitable for turmeric production in the Chittagong hill tracts region combination with sungrass mulching.

Knowledge Management: Journal