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Comparative Study of Prilled Urea (pu) and Super Granular Urea (usg) on the Yield of Tea

M. A. Motalib
Principal Scientific Officer
Soil science Division, BTRI, Srimangal, Moulvibazar

Abdul Kader Khan
Senior Scientfic Officer
Soil science Division, BTRI, Srimangal, Moulvibazar

Ashim Kumar Saha
Scientific Officer
Soil science Division, BTRI, Srimangal, Moulvibazar

Apu Biswas
Scientific Officer
Soil science Division, BTRI, Srimangal, Moulvibazar

Abstract/ Executive Summary:

In paddy Guti urea is used to reduce the amount urea fertilizer as loss of nitrogen is minimized through submerged condition in between the plants rows. From that point of view an experiment was laid at BTRI farm to reduce the amount of urea. Amount of Prilled urea and Guti urea was calculated and applied as per treatment. The Prilled urea was applied as broadcast as usual and the same amount of Guti urea was applied in the hole in between tea plant rows. Highest yield was recorded in the treatment T₂ where blanket dose of Prilled, TSP and MOP were applied as broadcast followed by T₄ where amount of fertilizer was applied 20% less in to the hole in between the rows. The experiment is discontinued as the result shows that the application of granular urea in the hole has no positive response on yield compared to Prilled urea applied as Broadcast.

Keywords: USG, Prilled, yield and tea

Location: BTRI Main Farm

Start Date: 01-01-2009

End Date: 31-12-2010

Program Area: Crop-Soil-Water Management

Commodity: Fertilizer

Objectives:

To find out the suitable form of urea for the growth and development of tea

Methodology:

Treatment:4 Replication: 3 Design: RBD Treatment combination: T₁ = Control (Blank dose TSP and MOP) No urea. T₂= Recommended dose of urea + TSP = MOP T₃ = Granular urea (equivalent to recommended dose) + TSP = MOP T₄ = Recommended dose of TSP+MOP+ Granular Urea (20% less) NB: recommended dose of urea 220, TSP 66, MOP-120 kg/ha Regular weekly data were recorded.

Source of Information: Annual Report 2010

Article Link (Online Journal):

Funding Source:

Budget:

Total Budget (Tk.) :

Achievement/Findings:

Highest yield was recorded in the treatment T₂where blanket dose of Prilled, TSP and MOP were applied as broadcast followed by T₄ where amount of fertilizer was applied 20% less in to the hole in between the rows. The experiment is discontinued as the result shows that the application of granular urea in the hole has no positive response on yield compared to Prilled urea applied as Broadcast.

Knowledge Management: Report/Proceedings