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Effect of Urea-n on Growth and Yield of Garlic (allium Sativum L.) Under Irrigated and Rainfed Condition

M. F. Mondal
Department of Horticulture, Bangladesh Agricultural University, Mymensingh.

M. Abdus Salam
Department of Horticulture, Bangladesh Agricultural University, Mymensingh.

M. H. R. Pramanik
Department of Horticulture, Bangladesh Agricultural University, Mymensingh.

Abstract/ Executive Summary:

An attempt was made to assess the effect of urea -N under irrigated and rainfed condition of garlic in Mymensingh, during the winter season of 1987-88. Five levels of urea-N each at 50(N₅₀), 100 (N₁₀₀), 200 (N₂₀₀₎ kg per hectare and a control (N₀) were used both under irrigated and rainfed condition. Data on plant height, number of leaves per plant, number of cloves per bulb, bulb diameter, bulb weight, growth duration and bulb yield of garlic showed significant increase with N levels. But no significant yield difference was observed between N₁₅₀ and N₂₀₀ in irrigated condition. N₁₅₀ treated plots gave 61% higher yield over control (3.44 t/ha) and the irrigated plots out yielded the rainfed plots by 53%.

Keywords: Urea-N, Growth, Yield, Garlic, Irrigated, Rainfed Condition

Location: Horticulture Farm of Bangladesh Agricultural University, Mymensingh

Start Date: 00-00-1987

End Date: 00-00-1988

Program Area: Crop-Soil-Water Management

Commodity: Garlic

Objectives:

To assess the optimum N-requirement for garlic under irrigated and rainfed condition in BAU Farm soil.

Methodology:

An experiment was conducted during the rabi season of 1987-88 in the Horticulture Farm of Bangladesh Agricultural University, Mymensingh to evaluate the response of garlic to different levels of Urea-N under irrigated or rainfed condition in a split plot design with four replications putting N in the subplot. The size of each subplot was 2m x2m. Irrigation treatments were put in the mariposa and the main plot size was 20 m². The soil of the experimental area belongs to the Sonatola series and AEZ 9 Old Brahmaputra Alluvial Soil. The soil characteristics were sandy loam having PH 6.8. The amount of organic C, total N, available P and available K were 0.835%, 0.068% 18 ppm and 0.28 me per 100 gm soil, respectively. During final land preparation cowdung, triple superphosphate and muriate of potash @ 10t, 48 kg P₂O₅ and 120 kg K₂O/ha. respectively and half of urea as per treatment were applied at a time. Healthy cloves of a local cultivar were dibbled on 10 November 1987 at 10 cm x 10cm spacing. Weeding was done twice on 30 and 45 days after emergence in all Plots. At second weeding the remainder of the urea was top dressed followed by an irrigation in the plots to be irrigated. Data were collected on plant height, number of fertile leaves ( leaves bearing colves) per plant, bulb diameter, number of colves per bulb and bulb weight averaged over ten randomly selected plants from each plot. Maturity time for each treatment was noted separately. Bulb yield was recorded from the harvest of each subunit plot. The recorded data were statistically analyed and the treatment effects were evaluated using Duncan's new Multiple Range Test.

Source of Information: Bangladesh Hort. 19 (1): 1-6, 1991; ISSN 0379-4288

Article Link (Online Journal):

Funding Source:

Total Budget (Tk.) :

Achievement/Findings:

The lowest bulb yield (3.44t/ha) was obtained from the control plots (N₀). But no significant yield difference was observed between N₁₅₀ and N₂₀₀ in irrigated condition. N₁₅₀ treated plots gave 61% higher yield over control (3.44 t/ha) and the irrigated plots out yielded the rainfed plots by 53%.

Knowledge Management: Journal