In geology, a hotspot is a location on the Earth's surface that has experienced active volcanism for a long period of time.
Many of the world's volcanoes occur along the plate margins (e.g. Pacific Rim of Fire), but some occur wholly in isolated pockets within plates (e.g. Yellowstone National Park in the USA). The latter form from hotspots of upwelling magma that pierce the crust, forming voluminous volcanic outpourings
The beans are leguminous crops and are sensitive to the cold environment and won't begin to germinate as until the soil temperature reaches 70 F. While the corn is grown in the tropical subtropical and the temperate climates and can be grown in the woodlands and the grasslands. But needs lots of irrigation and its production is limited in the drover areas.