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Influence of Sulphur on Nutrient Content and Uptake by Rice and Its Balance in Old Brahmaputra Floodplain Soil

M. N. Rahman
Scientific Officer
Soil Science Division, Bangladesh Agricultural Research Institute (BARI), Joydebpur, Gazipur

S. M. Sayem
Lecturer
Dept. of Soil Science, Hajee Danesh Science and Technology University, Dinajpur, Bangladesh

M. K.Alam
Scientific Officer
Soil Science Division, Bangladesh Agricultural Research Institute (BARI), Joydebpur, Gazipur

M. S. Islam
Scientific Officer
Soil Science Division, Bangladesh Agricultural Research Institute (BARI), Joydebpur, Gazipur

A. T. M. A. I. Mondol
Scientific Officer
Soil Science Division, Bangladesh Agricultural Research Institute (BARI), Joydebpur, Gazipur

Abstract/ Executive Summary:

The experiment was conducted on a Non-Calcareous Dark Gray Floodplain Soil (Sonatola series) of BAU farm, Mymensingh during Boro season of 2004. The soil was silt loam having pH 6.8, organic matter 1.62%, available S 9 ppm and available P 7.62 ppm. There were five treatments viz. T₀(control), T₁ (10 kg S ha^-1), T₂ (20 kg S ha^-1), T₃ (40 kg S ha^-1) and T₄(60 kg S ha^-1). A randomized complete block design was followed with four replications. All plots received an equal dose of N, P, K and Zn. The highest N, P, K and protein content was recorded from treatment T₂ (20 kg S ha^-1). On the other hand, the highest S, Ca and Mg content was recorded from treatment T₄ (60 kg S ha^-1). However, the application of S fertilizer significantly increased protein, N, P, K, S, Ca and Mg content as well as their uptake over control. The S balance was positive where S was added as treatment combination. Negative S balance was recorded where no S was added (control).

Keywords: Sulphur, Nutrient uptake, Floodplain soil

Location: Soil Science Field Laboratory of Bangladesh Agricultural University (BAU), Mymensingh

Start Date: 25-11-2003

End Date: 23-05-2004

Program Area: Crop-Soil-Water Management

Commodity: Rice

Objectives:

To determine proper Sulphur quantity to be applied for maximizing grain yield and improving crop quality of rice.

Methodology:

The experiment was carried out during Boro season 2003-2004 at the Soil Science Field Laboratory of Bangladesh Agricultural University (BAU), Mymensingh . The experimental soil was Sonatala silt loam, a member of Hyperthermic Aeric-Haplaquept. Initial soil samples were collected from a depth of 0 to 15 cm from the soil surface, on December 2003 after harvest of T. Aman. The soil samples were air-dried, ground, and sieved through 1-mm (20-mesh) sieve. The composite sample was stored in a clean plastic bag for physical and chemical analysis. Morphological, Physical and chemical properties of the experimental soil were analyzed. The experiment was laid out in a Randomized Complete Block Design (RCBD) with four replications. 0,10, 20, 40 and 60 Kg S ha^-1 were used as treatment combination in this experiment. Treatments were randomly distributed within the blocks. The unit plot size was 4 m × 3 m and the test variety was BRRI dhan29. The crop was harvested at full maturity on May 23, 2004. The harvested crop of each plot was bundled separately and brought to the threshing floor. Grain and straw yields were recorded plot wise and expressed as t ha^-1 on 14% moisture basis. The grain and straw samples were analyzed for the determination of N, P, K and S in the BARI, Soil Science laboratory following the respective methods.

Source of Information: J. Soil. Nature. 1 (3):05-10, (2007)

Article Link (Online Journal):

Funding Source:

1. Government

Budget:

Total Budget (Tk.) :

Achievement/Findings:

Application of sulphur protein content increased in rice grain. The experimental soil was deficient in S. Thus the S uptake by plant varied due to different treatments and the S balance in the experimental soil are presented below. The S balance was positive where S was added as treatment combination. Negative S balance was recorded where no S was added (control).

Knowledge Management: Journal