Rice (Oryza sativa is the most important cereal crop in the developing world and is the staple food of over half the world's population. It is generally considered a semi-aquatic annual grass plant. About 20 species of the genus Oryza are recognized, but nearly all cultivated rice is O. sativa L.

The tomato (Solanum lycopersicum) is a plant whose edible fruit is commonly consumed as a vegetable. Tomatoes are a significant vegetable crop, rich in vitamins, minerals, fiber, and antioxidants.

Soybeans are legumes related to peas, clover and alfalfa. Soybeans are dicots, which means they have two cotyledons. Each soybean plant produces 60 to 80 pods, each holding three pea-sized beans. Soybeans are hardy plants and well adapted to a variety of soils and soil conditions.

Sorghum is a tall, erect, annual grass that typically grows to a height of 1-2 meters. It has long, narrow leaves and produces large, compact clusters of grain on top of its stems. The grains are typically small and round, with a hard outer layer that is difficult to remove.