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Response of Rice to Sulphur and Zinc Fertilization

A. Hossain
Department of Soil Science, Bangladesh Agricultural University, Mymensingh

R. Islam
Department of Soil Science, Bangladesh Agricultural University, Mymensingh

N. A. Miah
Department of Soil Science, Bangladesh Agricultural University, Mymensingh

Abstract/ Executive Summary:

Sulphur application significantly increased the grain and strsw yield of the crop. Zinc plus NPK applicaiion recorded higher grain and straw yields but was not statisticallv significant over NPK treatment. The highest grain yield of 4.3 tons/ha was recorded with 30 kg S and 5 kg Zn/ha application. Sulphur and Zn content in grain and straw increased considerably due to addition of sulphur and Zinc respectively.

Keywords: Rice yield response, Sulphur , Zinc

Location: Bangladesh Agricultural University Farm

Start Date: 15-05-1983

End Date: 07-09-1983

Program Area: Crop-Soil-Water Management

Commodity: Rice

Objectives:

To evaluate of the effect of zinc and sulphur application on the yield response and Zn uptake of BR3 rice.

Methodology:

The experiment was conducted in the Bangladesh Agricultural University Farm during aus season ot 1983. Randornized block desqn was followed with four replications having unit plot size of 5m x 4m. The different rates of sulphur used were 0.15 and 30 kg S/ha from gypsum and the rates for zinc were 0 5 and 10 kg Zn/ha from zinc oxide. There was one NPK treatment. All the treatments except control received 90. 80 and 60 kg/ha of N, P₂0₅ & K₂0 from urea, triple super phosphate and muriate of potash. respectively. The whole of P. K. S. Zn and 1/3rd of urea were applied at the time of final land preparation. The remaining N was applied at 30 and 55 days after transplanting in two equal splits. 25 days old seedlings of BR3 rice were transplanted per hill on the 15th May. 1983 maintaining the spacing of 25 cm x , 5 cm. Weeding, irrigation, spraying of insecticides and other intercultural operations were done as and when necessary. The crop was harvested on the 7th September at full maturity. Grain and straw yields were recorded and S concentration in grain and straw were determined by HN0₃ and HCl₄, digestion and determined turbidimetrically. Zinc content was determined in the digested materials by Atomic Absorption spectrophotometer. Analysis of variance of the results on grain and straw yield and S and Zn concentration in grain and straw was made.

Source of Information: Bangladesh J. Agril. Sci. 16 (1): 131-134: 1989, ISSN 0379-4296

Article Link (Online Journal):

Funding Source:

Total Budget (Tk.) :

Achievement/Findings:

Zinc plus NPK applicaiion recorded higher grain and straw yields but was not statisticallv significant over NPK treatment. The highest grain yield of 4.3 tons/ha was recorded with 30 kg S and 5 kg Zn/ha application. Sulphur and Zn content in grain and straw increased considerably due to addition of sulphur and Zinc respectively.

Knowledge Management: Journal