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Debasis Bhattacharya

Publications (6)

Forecasting Oilseed Crop Yields in Bihar: A Comparative Study of Time Series and Hybrid Models for Rapeseed–Mustard

Tahsin Fatma, Debasis Bhattacharya, Kader Ali Sarkar & Digvijay Singh Dhakre · Journal of Scientific Research and Reports · 2026

Rapeseed–mustard is an important oilseed crop in Bihar, and reliable yield forecasts are useful for production planning and policy support. This study developed and compared statistical, machine-learning and hybrid forecasting models for rapeseed–mustard yield in Bihar using annu...

Open access Research Article 10.9734/jsrr/2026/v32i74307

Modelling and Forecasting of Asymmetric Price Volatility of Onion for Lucknow Market, UP, India

Sandip Kumar & Debasis Bhattacharya · Journal of Scientific Research and Reports · 2026

Onion prices in the Lucknow market exhibit very high instability, or in other words, volatility of UP. When price volatility affects differently with positive and negative shocks of the equivalent size, it is said to be asymmetric. Since GARCH is a symmetric model, it will be una...

Open access Research Article 10.9734/jsrr/2026/v32i44110

Regional Economic Shifts in Kerala’s Agricultural Landscape

Ayyoob K C, Debasis Bhattacharya, Kader Ali Sarkar & Digvijay Singh Dhakre · Journal of Scientific Research and Reports · 2025

Income dynamics of different districts of Kerala have been studied using per capita income derived from the agricultural sector by Markov chain analysis. Transition probabilities and steady states have shown high level of income dynamics for majority of districts. Most of the dis...

Open access Research Article 10.9734/jsrr/2025/v31i53101

Trend Analysis of Wheat Prices and the Influence of Meteorological Factors on Wheat Price in Birbhum District

Chinmayee Patra, Digvijay Singh Dhakre, Debasis Bhattacharya & Kader Ali Sarkar · Journal of Scientific Research and Reports · 2025

Agricultural price instability remains a major concern for farmers, market participants, and policymakers. This research examines the trends in wheat prices within Birbhum district of West Bengal, alongside the potential effects of meteorological factors such as temperature, rain...

Open access Research Article 10.9734/jsrr/2025/v31i53027

Exploring Hybrid ARIMA-SVR Approach for Forecast of Gross Cropped Area of Kerala in India

P A Akhisha, K A Sarkar, D S Dhakre & Debasis Bhattacharya · Journal of Experimental Agriculture International · 2025

The present study aimed at fitting forecasting models to Gross Cropped Area of Kerala State in India using data from 1965-66 to 2022-23. It focused on sole models such as Auto Regressive Integrated Moving Average (ARIMA) and Support Vector Regression (SVR). A hybrid model using c...

Open access Research Article 10.9734/jeai/2025/v47i53447

Forecasting of Cropping Intensity of Kerala in India: A Multivariate Approach

P A Akhisha, K A Sarkar, D S Dhakre & Debasis Bhattacharya · Journal of Scientific Research and Reports · 2025

A state like Kerala in Indian subcontinent, even though, blessed with the typical physiographical features contributing to its agricultural diversity, has an average cropping intensity of 132 percentages which shows the huge gap between its potential and actual production. A mult...

Open access Research Article 10.9734/jsrr/2025/v31i22836