Most of it falls in the winter and early spring. The water is delivered by surface systems or underground water systems. Excess irrigation water may be stored or returned to a delivery system. Dryland crops are wheat, corn, grasses and other drought resistant plants. Flood crops are alfalfa, grasses, and some grains such as wheat, barley and oats.
Row crops are beets, corn, onions, beans, carrots and other vegetables.
Aerial irrigation crops are alfalfa, wheat, corn, and other grains. Drip plants are flowers and other ornamental plants. Encourage the students to research how much water it takes to produce different types of food. Have them share their findings with the other students by chart and discussion.