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Effect of Organic Manure on the Growth and Yield of Garlic Under Zero Tillage Condition

M. A. Kabir
Department of Horticulture, Hajee Mohammad Danesh Science and Technology University, Dinajpur

M.A. Rahim
Department of Horticulture, Bangladesh Agricultural University, Mymensingh

D.A.N. Majumder
Plant Biotechnology Lab, BRAC Agricultural Research and Development Centre, Gazipur

Abstract/ Executive Summary:

A study was carried out at the field laboratory, USDA-Alliums’ project, Bangladesh Agricultural University, Mymensingh during rabi season of 2006-2007. Seven organic treatments viz. well decomposed cow dung, compost, poultry litter, mustard oil cake, bone meal, ash and rotten water hyacinth were used to determine the effects of manure on the growth and yield of garlic under zero tillage conditions. Results revealed that the plant height; number of leaves per plant; length and breadth of the longest leaf; fresh and dry weights of leaves, bulb & roots; breadth of bulb; total number of cloves and yield per plot were markedly influenced by all the different manures. However, the tallest plant, maximum number of leaves, highest breadth and length of the longest leaves were recorded from the mustard oil cake. But on the basis of economic analysis, maximum BCR (2.59) were recorded with cow dung.

Keywords: Garlic, Zero tillage, Organic manure, Growth, Yield

Location: USDA-Alliums’ project, Bangladesh Agricultural University, Mymensingh

Start Date: 00-11-2006

End Date: 00-04-2007

Program Area: Crop-Soil-Water Management

Commodity: Garlic

Objectives:

1. To find out the suitable organic manures for optimal growth and yield of garlic under zero tillage conditions.

Methodology:

After harvesting wet land rice, garlic cloves were planted in the field under zero tillage conditions. Seven organic treatments viz. well decomposed cow dung @ 25 t/ha, compost @ 20 t/ha, poultry litter @ 5 t/ha, mustard oil cake @ 4 t/ha, bone meal @ 3 t/ha, ash @ 7 t/ha and well rotten water hyacinth @ 20 t/ha were added as per the experimental layout. Immediately after planting of cloves, thick rice straw mulch was used for conserving soil moisture. The crop was always kept under careful observation. Ten plants were selected at random from each plot for the collection of data. When the tops of garlic plants turned yellow or light brown and show signs of drying, were ready for harvesting. Data on physio-morphological parameters at 20 days interval after planting as well as on yield were recorded and continued up to the final harvest. The followings data were recorded: plant height (cm), no. of leaves per plant, length of the longest leaf per plant, breadth of the longest leaf per plant, fresh weight of leaves per plant (g), dry weight of leaves per plant (g), fresh weight of roots per plant (g), dry weight of roots per plant (g), fresh weight of bulbs per plant (g), dry weight of bulbs per plant (g), diameter of bulbs (cm), no. of cloves per bulb, yield of bulb per plot (kg) and yield of bulb per hectare (t). The collected data were statistically analyzed and the mean differences were tested by the Least Significant Difference Test.

Source of Information: J. Agrofor. Environ. 5 (1): 139-142, 2011; ISSN 1995-6983

Article Link (Online Journal):

Funding Source:

Total Budget (Tk.) :

Achievement/Findings:

The experimental results it could be concluded that organic manure had a significant effect on the yield and yield contributing traits of garlic. This was possibly due to the fact that organic manure not only increased the production of crops by supplying all the essential plant nutrients, but also provided organic matter to the soil. It also encouraged cell division, cell enlargement and more photosynthetic activities for higher yield. Organic manures improves texture, structure, humus, aeration, water holding capacity, buffer action, cation exchange capacity and microbial activity of any soil and thus helps to increase and conserve soil productivity. Garlic is a shallow rooted plant so, it needs continuations moisture supply to the soil. The experiment revealed that organic fertilizer like cow dung was found to be best for higher yield and economic return of garlic under the zero tillage conditions.

Knowledge Management: Journal