A classification system based on the use / function of the crops. These crops are grown in large-scale or in small-scale farms based on what they offer.
Food crops that are regularly consumed in a traditionaldiet and from which people obtain a major proportion of their energy and nutrient requirements. Examples: Wheat and Millet
Crops with edible seeds that are rich in protein. They are also crops that fixes nitrogen from the atmosphere into the soil using bacteria in their roots. Examples: Cowpea, Peanut and Peas
Crops with enlargedroots for storage that are edible. These crops are hardy, they can grow through the winter or cold months and usually have a long shelf life. Examples: Carrots, Turnip, Sugar Beet, Sweet Potatoes, Cassava, Beet Root
Crops with a specialized stem or storageorgan that can be found underground which can be eaten, and these are used as a source of energy and the site of regrowth. These crops are hardy, they can grow in harsh conditions. Examples: Potato and Yam
Crops renowned for producingoils naturally and have the added benefit of having fattyacid. Examples: Sunflower, Safflower, Sesame, Castor Bean, Rape Seed, Canola, Peanuts, and Olives
Crops known for producing sweetplant parts that can be extracted for sugar or other sugary substances. Examples: Sugarcane, Sugar Beet, Sugar Maple, Palms, Dahlia, Sweet Sorghum
Crops that produce the same product which is latex, a liquidmilky product which is then further processed into rubber. Examples: Guayule, Kok-Sagys, Manihot glaziovii (cera rubber), Castiolla elastic (Panama rubber) and Ficus elastica (India rubber)
Special crops that are used for dying and coloringmaterials.Tannin is an aromatic, phenolic substance which is obtained from barks and other plant organs. Examples: Mangrove, Chestnut, and Bloodroot
Crops grown for industrial purposes, these crops are grown for their fiber rich plant parts that can be used for textiles, paper, ropes, etc.. Examples: Cotton, Hemp, Jute, Flax
Crops grown for cattle feeds.Soilage Crops are the grasses grown, cut and directly fed to animals. Silage Crops are the grasses grown, cut, fermented and preserved before being fed to animals. Examples: Wheat, Hay, and Sorghum
Crops grown for their medicinal properties and for alleviation of symptoms relating to disease or other ailments. Examples: Cinchona, Opium poppy, and Belladonna
Crops that are known for additives in petroleum products or an outright replacement of them. Examples: Sugarcane, corn, coconut, castor bean and Jatropha
Spice crops for additivegarnishing or flavoring for food or in other cases, a preservative as well. Examples: Ginger, Garlic, Chilli, Cumin, Onion, Coriander, Cardamom, Pepper, Turmeric
Crops that produce substances that have highly addictive and life-altering effects on people. These crops are prohibited to cultivate in many parts of the world due to their nature. Examples: Cannabis, Pyrethrum, and Opium