... convention)Grasses, cereals Poaceae Gramineae Rice, wheat, maizeLegumes, pulses Fabaceae Leguminoseae Beans, pea, lentilSolanaceous plants Solanaceae Solanaceae Potato, tomatoBrassicas, crucifers Brassicaceae ... cultivation of cropsevolved separately in various parts of Asia, Africa,Mesoamerica, and South America.5In contrast, inEurope, North America, and Australasia, crop culti-vation occurred much later. ... easierharvesting by farmers.Rainfed farming: also called dryland farming,this form of crop cultivation relies on rainfallrather than irrigation and is practiced on 80% of the global arable land area....