2023, Vol. 8, Issue 6, Part B

The study was carried out on growth rates area, production and productivity of major oilseeds crop in Gujarat state for the period 1988-89 to 2020-21. Four major crops of state viz. Castor, Rapeseed-Mustard, Groundnut and Sesame were selected for the study on the basis of their diversified cropping pattern in different regions depending upon agro-climatic conditions. Three districts were selected purposively for the study viz., Rajkot district for Groundnut, Banaskantha district for Rapeseed-Mustard and Castor and Kutch district for Sesame crop based on highest triennium average area occupied as per the year from 2016-17 to 2018-19. For further study compared different models viz., linear, quadratic, cubic, exponential, compound, logarithmic, inverse, power, S-curve and growth models for estimating the growth in area, production, and productivity and found the best fit using the statistical methods such as highest R² and adjusted R². Overall study revealed that cubic function model was best fitted model for the future estimation.