Assessment of Post-Harvest Losses and Major Constraints Faced by Rapeseed and Mustard Growers and Processors in Rajasthan, India

Abstract

India experiences significant post-harvest losses (PHL) in agricultural produce, with oilseeds like rapeseed and mustard contributing substantially. This study, conducted in Rajasthan, assesses post-harvest losses across different stages of production and identifies key constraints faced by farmers and processors. The study assessed post-harvest losses and key constraints in rapeseed and mustard production, marketing, and processing. On average, 84.39 kg/ha (4.73% of production) of rapeseed and mustard were lost during post-harvest activities, with losses highest in harvesting (16.94 kg/ha) and storage (16.35 kg/ha). Monetary losses averaged ₹4794.64/ha, being maximum for large farms due to prolonged storage. Constraints in production included crop damage by wild animals, pest infestations (aphids), and unfavorable weather, while marketing challenges were dominated by distant markets, weak MSP implementation, and non-remunerative prices. Processors faced difficulties such as seasonal non-availability of produce, stock limits, and high raw material costs. The findings highlight the need for improved storage, pest management, mechanization, efficient market access, and supportive policies to reduce losses and enhance the efficiency of the rapeseed–mustard value chain.