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Effect of Tillage and Mulch on the Growth and Yield of Ginger in the Hilly Area

M. M. Zaman
Hill Agricultural Research Station, BARI, Khagrahcari

A. S. M. H. Masum
Bangladesh Agricultural Research Institute, Gazipur,

N. U. Ahmed
Khagrachari

M. A. Salam
Agricultural Research Station, BARI, Pahartali, Chittagong,

M. H. Rahman
Department of Horticultrue, BAU, Mymensingh,

Abstract/ Executive Summary:

The experiment was conducted to find out the effect of three different tillage practices such as zero (dibbling), furrow and conventional (spading) and mulching (mulch, no mulch) on the growth and yield of ginger. Tillage practices and mulching showed significant influence on the growth, yield and yield components of ginger. The highest yield ( 18.75 t/ha) was recorded from zero tillage which was significantly different from other tillage practices. Significantly higher yield ( 17.87 t/ha) was obtained from the mulched plants than that of unmulched plants (11.85 t/ha). In case of, combined effect, the most satisfactory yield (22.36 t /ha) was found in the zero tillage with mulch while the lowest yield (9.41 t /ha) was in conventional tillage with no mulch.

Keywords: Tillage, Mulch, Ginger, Hilly area

Location:

Start Date:

End Date: 12-12-1999

Program Area: Crop-Soil-Water Management

Commodity: Ginger

Objectives:

To find out the suitable tillage practice and response of ginger to mulch.

Methodology:

The study was conducted at the Hill Agricultural Research Station, Khagrachari from April to December, 1997, 1998 and 1999 respectively. Locally collected ginger was planted for this purpose. The factorial experiment was designed at randomized complete block design with three replications. The treatment consists of three tillage practices viz., zero (dibbling). furrow and conventional (spading) and with or without mulching. Seed rhizomes were planted at first week of April each year at 50 X 25 cm² spacing between and within the rows. The unit plot size was 10.0 X 3.0 m². The land was prepared and fertilized with cowdung, Urea, TSP, MP and Gypsum @ 10 t, 304, 267, 233 and 111 kg/ha respectively. The entire quantity of cowdung, TSP, gypsum and half of MP were applied during land preparation. The half of urea were top dressed at 50 days after planting. Remaining MP & urea was applied in two equal splits at 80 and 110 days after planting. Intercultural operations were done as and when necessary. Harvesting was done at 9 months after planting. Data on different parameters of vegetative growth and fresh rhizome of ginger were recorded and analyzed following the standard statistical procedure. Test of significance was performed by F-test. The difference among the treatments mean were judged by LSD.

Source of Information: Online Journal of Biological Sciences 2 (2): 121-123, 2002

Article Link (Online Journal):

Funding Source:

Total Budget (Tk.) :

Achievement/Findings:

Tillage practices had a significant influence on the yield and yield components except number of mother rhizome. The highest plant height (65.81 cm) was found in zero tillage which was statistically identical to furrow tillage (50.27) and the lowest (44.40 cm) was in conventional tillage. Number of leaves were highest (21.97) in zero tillage which was significantly different from furrow ( 18.50) and conventional tillage ( 15.03). Zero tillage also gave higher number ( 11.27) of tillers over furrow (9.06) and conventional tillage (8. 16). The maximum weight (44.65 g) of mother rhizome was found in zero tillage while the lowest (29.53 g) in conventional tillage. The highest number and weight of primary and secondary rhizome (7.23, 81.75 g and 13.65,1 21.34 g respectively) was recorded from zero tillage and the lowest (4.95, 54.13 g and 9.56, 80.38 g respectively) in conventional tillage. The highest yield (246.91 g) per plant was obtained from zero tillage which was statistically different from furrow (183.94 g) and conventional tillage ( 164.05 g). Among the tillage practices, the highest yield ( 18.75 t/ha) was observed in zero tillage which was significantly different from both furrow ( 13.7 1 t/ha) and conventional tillage ( 1 2. 1 2 t/ha). The yield components and yield of ginger were significantly influenced by the combined effect of tillage and mulch. The highest yield (292.08 g) per plant was recorded form the treatment combination of zero tillage with mulch while the lowest yield (130.21 g) was obtained from the combination of conventional tillage with no mulch.

Knowledge Management: Journal