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Performance of Late Transplanted Aman Rice Under Different Fertilizer Levels

S.M. Altaf Hossain
Farming System Research and Delopment Programme, B.A.U., Mymensingh

M. S. Islam
Farming System Research and Delopment Programme, B.A.U., Mymensingh

M. U. Salam
Farming System Research and Delopment Programme, B.A.U., Mymensingh

Abstract/ Executive Summary:

An experiment was conducted at the Agronomy Field Laboratory, Bangladesh Agricultural University, Mymensingh during September through December, 1986 to determine the response of late transplanted local and improved varieties or Aman rice to different levels of fertilizers. Results indicated that the application of N P K with or without S and Zn had no significant effect on yield although the increasing application of NPK in presence of S and Zn increased the same . NPK and S and Zn alone or in combination increased plant height. Among different varieties , BR 11 produced the highest grain yield followed by BR4 and Nizershail produced the lowest yield,

Keywords: Performance, Late transplanted aman, Fertilizer levels

Location: Bangladesh Agricultural University , Mymensingh

Start Date: 00-09-1986

End Date: 00-12-1986

Program Area: Crop-Soil-Water Management

Commodity: Rice

Objectives:

To see the response of late planted local and improved varieties of Aman rice to different levels of fertilizers.

Methodology:

The experiment was conducted at the Agronomy Field Laboratory, Bangladesh Agricultural University , Mymensingh, during September through December, 1986. The soil of the experimental plot was silty loam with a pH value of 6.67 in 2:5 soil: water suspension. The fertilizer treatments of the experiment were (i) control (no fertilizer), (ii) 30 kg S + 6 kg Zn /ha, (iii) 40 kg N + 30 kg P₂0₅ + 20 kg K ₂ 0 + 30 kg S + 6 kg Zn/ha, (iv) 60 kg N + 45 kg P₂0₅+30 kg K ₂0 + 30 kg S+6 kg Zn/ha, (v) 80 kg N + 60 kg P₂0₅ + 40 kg K ₂0 + 30 kg S + 6 kg Zn/ha, and (vi) 80 kg N + 60 k g P₂0₅ + 40 kg K ₂0 /ha. The whole amount of N, P, K, S and Zn were applied as urea, triple superphosphate, muriate of potash, gypsum and ZnS0₄, respectively. Four popular varieties of transplanted Aman rice namely BR II, Nizersail, Pajam and BR4 were grown in a split-plot design with three replications using fertilizers in the main plots and varieties in the sub-plots. The individual plot size was 4m x 4m. Seedlings of all the varieties were transplanted on 4 September, 1986 with the row spacing of 20 cm . Hand weeding was done twice at 15 and 35 days after transplanting to keep the field free from weeds but no pesticide was applied as there was no insect pest or disease infestation. Data on different yield components were recorded from the randomly selected hills in each plot and those on grain and straw yields were recorded from the whole plot. The collected data were then analysed statistically.

Source of Information: Bangladesh Agron. J. 1987, 2(1): 53-59

Article Link (Online Journal):

Funding Source:

Total Budget (Tk.) :

Achievement/Findings:

Application of N P K with or without S and Zn had no significant effect on yield although the increasing application of NPK in presence of S a nd Zn increased the same . NPK and S and Zn alone or in combination increased plant height. Among different varieties , BR11 produced the highest grain yield followed by BR4 and Nizershail produced the lowest yield,

Knowledge Management: Journal