International Journal for Asian Contemporary Research, 2(3): 80 - 86

Research Article

Improvement of Leaf Chlorophyll Content and Yield of Maize Through Calibration of Optimum Basal and Top Dressing Urea

Md. Billal Hossain Momen,
Md. Billal Hossain Momen,

Farming Systems Engineering Laboratory, Department of Agronomy and Agricultural Extension, University of Rajshahi, Rajshahi, Bangladesh.

Abdur Razzak,
Abdur Razzak,

Farming Systems Engineering Laboratory, Department of Agronomy and Agricultural Extension, University of Rajshahi, Rajshahi, Bangladesh.

Tanvir Md. Rashedur Rahman, Mosammat Nilufar Yasmin,
Tanvir Md. Rashedur Rahman, Mosammat Nilufar Yasmin,

Farming Systems Engineering Laboratory, Department of Agronomy and Agricultural Extension, University of Rajshahi, Rajshahi, Bangladesh.

Mesbaus Salahin,
Mesbaus Salahin,

Farming Systems Engineering Laboratory, Department of Agronomy and Agricultural Extension, University of Rajshahi, Rajshahi, Bangladesh.

Tariful Alam Khan
Tariful Alam Khan

Farming Systems Engineering Laboratory, Department of Agronomy and Agricultural Extension, University of Rajshahi, Rajshahi, Bangladesh.

and Md. Robiul Islam*
Md. Robiul Islam*

Farming Systems Engineering Laboratory, Department of Agronomy and Agricultural Extension, University of Rajshahi, Rajshahi, Bangladesh. Email: [email protected]


Received: 30 September 2022 || Accepted: 31 October 2022 || Published: 10 November 2022

 

A B S T R A C T

The experiment was carried out at the Agronomy Field Laboratory, Department of Agronomy and Agricultural Extension, the University of Rajshahi during the period from 1st December 2018 to 20th April 2019 to calibrate basal and top dressing nitrogen fertilizer to improve leaf chlorophyll content and yield of maize. In the field experiment, a split-plot design was used with three replication. This experiment consists of three basal urea application rates (B1= 50% of the standard dose of nitrogen; B2= 100% of the standard dose of nitrogen; B3= 150% of the standard dose of nitrogen) and three topdressing urea application rates (N1= 50% of the standard dose of nitrogen; N2= 100% of the standard dose of nitrogen; N3= 150% of the standard dose of nitrogen)  Standard irrigation schedule, as well as other cultivation procedures, were followed during the experiment. Digital color image analysis based on Red, Green and Blue (RGB) color models have been used to determine plant Ch and N. both experimental parameters (basal and topdressing urea application rate) have remarkable effects on maize, chlorophyll content, growth characters, physiological characters, yield components and yield performance. Maximum top dressing urea rate N3, which reduces gradually with the reduction of urea amount. The maximum grain yield (10.48 t ha-1) was observed in N3, and the maximum stover yield (12.60t ha-1) and biological yield (23.08t ha-1) were found in N1. The harvest index was non-significant for both basal and top dressing urea rates. From our observation, it was found that nitrogen fertilizer is the most critical material in maize production. It can also suggest that maize leaf can be measured using an algorithm based on RGB, and this value could be a good indicator to determine urea top dressing amount.

 

Keywords:  Chlorophyll Content,  irrigation schedule , Basal and top dressing 


Copyright information: Copyright © 2022 Author(s) retain the copyright of this article. This work is licensed under a Creative Commons Attribution 4.0 International License


    To cite this article: Momen, M.B, H., Razzak, A., Rahman, T.M.R., Yasmin, M.N., Salahin, M., Khan, T.A. and Islam, M.R. (2022). Improvement of Leaf Chlorophyll Content and Yield of Maize Through Calibration of Optimum Basal and Top Dressing Urea. International Journal for Asian Contemporary Research, 2 (3): 80-86.  

 

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