For oilseeds, the main parameters are the content of oil and protein in them.
• In hot weather, during the ripening process, the seeds turn out to be puny, their oil content decreases and their fatty acid composition may even change.
• During the cold or rainy ripening period, the seeds have a reduced oil content in them with a higher protein content.
• During the rainy season of seed harvesting, their harvesting moisture, clogging and the acid number of seed oil increases significantly.