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Growth, Yield and Yield Components of Fine Rice (oryza Sativa L.) as Influenced by Organic Fertilizer

M. R. Islam
Department of Crop Physiology and Ecology, Hajee Mohammad Danesh Science and Technology University, Dinajpur, Bangladesh

S. Sikder
Department of Crop Physiology and Ecology, Hajee Mohammad Danesh Science and Technology University, Dinajpur, Bangladesh

M. H. R. Hafiz
Department of Crop Physiology and Ecology, Hajee Mohammad Danesh Science and Technology University, Dinajpur, Bangladesh

Abstract/ Executive Summary:

The experiment was conducted at the Research Farm of Crop Physiology and Ecology Department, Hajee Mohammad Danesh Science and Technology University, Dinajpur, Bangladesh during 14 August to 7 December, 2008 to study the effects of organic fertilizer on yield performance of five fine rice cultivars viz., Rajshahi Swarna, Silkumul, Kataribhog, Lal Pajam and Sanla. The experiment was laid out in a split plot design with three replications. Effective tillers hill^-1, plant height, panicle length, filled grains panicle^-1, total grains panicle^-1, 1000-seed weight, grain yield, straw yield and harvest index (HI) were significantly influenced by the combined effect of cultural conditions and rice cultivars. Under inorganic and organic culture, the highest grain yield was obtained from Rajshahi Swarna (2.90 and 2.74 t ha^-1, respectively) and the lowest were from Sanla (2.20 and 1.74 t ha^-1, respectively). All the cultivars showed better performance in respect of grain yield and other parameters under inorganic culture than organic culture.

Keywords: Cultivar, fine rice, harvest index, organic culture, yield

Location: Research Farm of Crop Physiology and Ecology Department, Hajee Mohammad Danesh Science and Technology University, Dinajpur, Bangladesh

Start Date: 00-08-2008

End Date: 00-12-2008

Program Area: Crop-Soil-Water Management

Commodity: Organic fertilizer

Objectives:

To study the effects of organic fertilizer on yield performance of five fine rice cultivars viz., Rajshahi Swarna, Silkumul, Kataribhog, Lal Pajam and Sanla.

Methodology:

The experiment was set up at the Research Farm of Crop Physiology and Ecology Department, Hajee Mohammad Danesh Science and Technology University, Dinajpur, Bangladesh during the Aman season (August to December) of 2008. The experiment was laid out in a split plot design with three replications. The unit plot size was 6 m² (3 m x 2 m) having a plot to plot and block to block distance of 0.75 m and 1.0 m, respectively . The main plot treatments were two cultural conditions e.g. Organic and Inorganic culture. The sub-plot treatments were five fine rice cultivars viz. Rajshahi Swarna, Silkumul, Kataribhog, Lal Pajam and Sanla. A fertilizer dose of 90-75-60-60-10 kg NPKSZn ha^-1 was applied in the form of urea, triple super phosphate, muriate of potash, gypsum, and zinc oxide in the inorganic fertilizer treated plots. In case of organic culture, organic fertilizer of Northern Agro Services Ltd. (NASL) was used at the rate of 2 t ha^-1 to fulfill the nutrient requirements. The initial soil pH was 5.4 to 5.5 having lower organic matter (1.19%) content. Thirty six days old seedlings were transplanted on 14^thAugust 2008 in the main plots. Plant spacing was maintained at 25 cm x 20 cm. Seedlings were transplanted in the field at a rate of 3 seedlings hill^-1. Weeding and other intercultural operations were done properly but no pesticide and chemical were applied in organic culture. Number of effective tillers hill^-1, number of total tillers hill^-1, plant height (cm), panicle length (cm), number of filled grains panicle^-1, number of total grains panicle^-1, 1000-grain weight (g), grain yield (t ha^-1) and straw yield (t ha^-1) were taken. Harvest index was calculated as: harvest index (%) = (Grain yield / Biological yield) x 100. All the data were analyzed by partitioning the total variance with the help of a computer program-MSTAT. The treatment means were compared using Duncan's New Multiple Range Test (DMRT).

Source of Information: The Agriculturists 10(2): 98-103, 2012

Article Link (Online Journal):

Funding Source:

1. Government

Budget:

Total Budget (Tk.) :

Achievement/Findings:

All the cultivars showed better performance under inorganic culture in respect of yield and other attributes. However, the yield variation was minimum in between the two cultural conditions. Based on yield characters, Rajshahi Swarna showed superior performance followed by Silkumul, Kataribhog and Sanla.

Knowledge Management: Journal