Yam is the second most important root/tuber crop in Africa after cassava, and is extremely important to food security in regions of Southeast Asia and the Pacific, as well as the tropical Americas. Virtually all global yam production takes place in the developing world.
Is yam a grain crop?
Because yam is traded as fresh tubers and maize is marketed as dry grain and due to the differences in prices per kg, the overall revenue (gross income) of the crops was calculated.
Is yam a stem crop?
Potatoes and yams technically have modified belowground stems (“stem tubers”) while sweet potatoes have “root tubers.” monocots (related to grasses and lilies). Yams are widely cultivated worldwide, especially in West Africa, where 95% of the crop is harvested.
Is yam a vegetable crop?
True yams have various common names across multiple world regions. In some places, other (unrelated) root vegetables are sometimes referred to as “yams”, including: In the United States, sweet potatoes (Ipomoea batatas), especially those with orange flesh, are often referred to as “yams”
Is yam a subsistence crop?
Yams are a very important starchy staple crop of tropical and subtropical agriculture. They have been almost exclusively a subsistence food for the peasant farmer, but increasingly have become more of a commercial crop and are generally preferred to cassava.
Is yam a cash crop?
By Femi Ibirogba, Head, Agro-Economy
In Nigeria, yam is a food and cash crop, and plays an important role in food security and in the livelihoods of 60 million people in the West African region. The crop is cultivated mostly in the derived, humid, and southern Guinea savanna agro-ecologies.
What is grain crop in agriculture?
Cereal crops are interchangeably called grain crops. In many publications and correspondence, they are simply called grains or cereals. As of 2012, the top 5 cereals in the world ranked on the basis of production tonnage are maize (corn), rice (paddy), wheat, barley and sorghum.
Why is yam a stem tuber?
Tubers growing underground are connected to the original stem by new stem-like off-shoots called stolons. Characteristics of a stem tuber include leafy plants, high starch content, and a tendency to grow near the soil’s surface. Common examples edible of tubers include potatoes, jicama, sunchokes, and yams.
What are the examples of root crops?
Examples include bulbs (fennel, onions), corms (celery root, water chestnut), rhizomes (ginger, turmeric), tap roots (beets, carrots, parsnips), tuberous roots (sweet potatoes, yucca), and tubers (potatoes, yams). The bulbs, roots, and tubers absorb water and nutrients to feed the rest of the plant.
What are yams?
What Is a Yam? Yams are edible stem tubers native to the tropical regions of Africa and Asia. Because yams have dry starchy flesh, they can be stored in humid environments without fear of spoilage. This makes them an excellent staple food in the tropical climates where they are grown.
What family does yam belong to?
Dioscoreaceae
Yams are members of the genus Dioscorea and are in their own special family, Dioscoreaceae.
What are the types of yam?
YamRepresentative species
Is yam a plant?
Yams are a monocot (a plant having one embryonic seed leaf) and from the Dioscoreaceae or Yam family. Sweet Potatoes, often called ‘yams’, are a dicot (a plant having two embryonic seed leaves) and are from the Convolvulacea or morning glory family.
Which crops are grown in subsistence agriculture?
Millets and Rice are grown mostly under subsistence farming.
What are the 3 types of crops?
By use, crops fall into six categories: food crops, feed crops, fiber crops, oil crops, ornamental crops, and industrial crops. Food crops, such as fruit and vegetables, are harvested for human consumption. Grains, such as corn, wheat, and rice, are the world’s most popular food crops.
What are the major categories of agricultural crops?
Crops
- Corn and Other Feedgrains. Corn is the most widely produced feed grain in the United States, with most of the crop providing the main energy ingredient in livestock feed.
- Cotton & Wool.
- Fruit & Tree Nuts.
- Rice.
- Soybeans & Oil Crops.
- Sugar & Sweeteners.
- Vegetables & Pulses.
- Wheat.
What are the 5 main cash crops?
Different parts of the world grow different cash crops based on climate, but there are few regions in the world that grow no cash crops at all.
Most Planted Cash Crops
- Wheat.
- Maize (corn)
- Rice.
- Soybeans.
What are cash and food crops?
Cash crops are the crops grown for selling and making a profit. Food crops are the crops grown for use as food, either sold in the market or used by the farmer.
What is the cash crops of Nigeria?
These include cocoa, rubber and oil Palm. The main cash crops of the country are cocoa and oil palm. Currently, cocoa is the leading agricultural export of the country and Nigeria is the third largest exporter of Cocoa, after Ivory Coast and Ghana and the fourth largest producer, after Ivory Coast and Ghana.
What are primary 3 grain crops?
Grain crops produce seeds. They give carbohydrates. Examples of grain crops are: millet, maize, rice, wheat, guinea corn etc. Grain crops like rice and beans are staple foods we eat.
What are the examples of local grain crops?
EXAMPLES OF LOCAL GRAIN CROPS
- Rice.
- Maize.
- Beans.
- Millet.
- Guinea corn.
- Oat.
- Wheat.
- Barley, etc.