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Performance of Fine Rice Cv. Kalizira Under Different Doses of Fertilizer and Spacing

M. A. Muttalib
Assistant Executive Officer
Shahjalal lslami Bank Limited, Tangail, Bangladesh

M. A. Salam
Former Director (Research)
Bangladesh Institute of Nuclear Agriculture. BAU Campus. Mymensingh-2202. Bangladesh

R. Sultana
AgricuiIural Economics Division, Bangladesh Institute of Nuclear Agriculture, BAU Campus. Mymensingh-2202. Bangladesh

Abstract/ Executive Summary:

An experiment was conducted at the Bangladesh Institute of Nuclear Agriculture (BINA) farm, Mymensingh, Bangladesh, during the period from July to December 2009 to determine the proper fertilizer dose and spacing for the best performance of a fine rice cv. Kalizira. The experiment consisted of three doses of fertilizer combinations, such as; (i) F₁= 75 kg N ha^-1 + 60 kg P₂0₅ ha^-1 + 45 kg K₂0 ha^-1 (ii) F₂= 50 kg N ha^-1 + 40 kg P20S ha^-1 + 30 kg K₂0 ha^-1 and (iii) F₃=25 kg N ha^-1 + 20 kg P₂0₅ ha^-1 + 15kg K₂0 ha^-1and three spacing, such as; (i) S₁= 20 cm x 20 cm (ii) S₂= 20 cm x 15 cm and (iii) S₃= 20 cm x 10 cm. The cultivar Kalizira showed the best performance at 50 kg N ha^-1 + 40 kg P₂0₅ ha^-1 + 30 kg K₂0 ha^-1 fertilizer dose and in 20 cm x 15 cm spacing. Yield increased from 2.89 t ha^-1 (at fertilizer dose of 25 kg N ha^-1 + 20 kg P₂0₅ha^-1 + 15kg K₂0 ha^-1 to 3.33 t ha^-1 (at the fertilizer dose of 50 kg N ha^-1 + 40 kg P₂O₅ ha^-1 + 30 kg K₂0 ha^-1 but the yield decreased to 2.60 t ha^-1 (at the fertilizer dose of 75 kg N ha^-1 + 60 kg P₂0₅ ha^-1 + 45 kg K₂0 ha^-1 High dose of fertilizer produced the lowest yield because of lodging problem occurred at this dose. On the other hand, 20 cm x 15 cm spacing produced higher yield (3.15 t ha^-1 than 20 cm x 20 cm and 20 cm x 10 cm spacing which produced a yield of 2.75 t ha^-1 and 2.92 t ha^-1 respectively. From the results, it might be concluded that fertilizer dose of 50 kg N ha^-1 40 kg P₂O₅ ha^-1 and 30 kg K₂0 ha^-1 with 20 cm x 15 cm spacing is the best combination for getting higher grain yield of Kalizira rice.

Keywords: Fertilizer dose, Fine rice, Grain yield, Spacing

Location: Bangladesh Institute of Nuclear Agriculture farm, Mymensingh, Bangladesh

Start Date: 00-07-2009

End Date: 00-12-2009

Program Area: Crop-Soil-Water Management

Commodity: Rice, Fertilizer

Objectives:

i) To determine proper fertilizer doses.

ii) To find out the effect of plant spacing on the yield and yield components of the fine rice cv. Kalizira in aman season.

iii) To find out the interaction between fertilizer doses and spacing on yield and yield components of the fine rice cv. Kalizira in aman season.

Methodology:

The experiment was conducted at the Bangladesh Institute of Nuclear Agriculture (BINA) farm, Mymensingh during the period from July to December 2009 in aman season to find out the optimum fertilizer dose and plant spacing for a fine rice vatiety cv. Kalizira. The experiment consisted of three fertilizer doses, such as; i) F_I (75 kg N ha^-1 + 60 kg P₂0₅ ha^-1 + 45 kg K₂0 ha^-1 ii) F₂ (50 kg N ha^-1 + 40 kg P₂0₅ ha^-1 + 30 kg K₂0 ha^-1 and iii) F₃ (25 kg N ha^-1 + 20 kg P₂0₅ ha^-1 + 15 kg K₂0 ha^-1 and three spacing, such as; i) S₁ (20 cm x 20 cm) ii) S₂ (20 cm x 15 cm) and iii) S:1 (20 cm x 10 cm). The experiment was carried out in a split plot design with four replications accommodating fertilizer doses in main plots and plant spacing in split plots. The unit plot size was 4.0 m x 3.0 m. Muriate of potash and triple superphosphate were applied during the final land preparation according to treatment specification. Nitrogen (N) was splited into thrice; one third of as basal doses, one third of N at 30 days after transplanting and the rest of nitrogen was applied at panicle initiation stage. All the management practices were done in proper time starting from land preparation to crop harvest. The collected data were then statistically analyzed and mean differences were compared by Duncan's Multiple Range Test.

Source of Information: Bangladesh J. Nuclear Agric. 30: 75-79. 2014, ISSN 0258-7130

Article Link (Online Journal):

Funding Source:

1. Government

Budget:

Total Budget (Tk.) :

Achievement/Findings:

From the study, it revealed that the fertilizer dose of 50 kg N ha^-1, 40 kg P₂0₅ ha^-1, and 30 kg K₂0 ha^-1 with plant spacing of 20 cm x 15 cm performed the best to produce higher grain yield of the fine rice cv. Kalizira during the aman season.

Knowledge Management: Journal