Oryza sativa indicates that rice domestication likely began before 5000 BC, but that most sites in China from which rice remains have been recovered are younger than 5000 BC. Rice begins to be cultivated in South Asia from as early as 5000 BC. Wild rice appeared in the Belan and Ganges valley regions of northern India as early as 4530 BC and 5440 BC, respectively, J.Bates et al.(2016) found early domestication process of rice in ancient South Asia was based around the wild species "Oryza nivara". This led to the local development of a mix of 'wetland' and 'dryland' agriculture of local
Cannabis sativa Cannabis sativa Cannabis sativa is an annual herbaceous flowering plant indigenous to eastern Asia but now of cosmopolitan distribution due to widespread cultivation. It has been cultivated throughout recorded history, used as a source of industrial fiber, seed oil, food, recreation, religious and spiritual moods and medicine. Each part of the plant is harvested differently, depending on the purpose of its use. The species was first classified by Carl Linnaeus in 1753. The flowers of "Cannabis sativa" are unisexual and plants are most often either male or female. It is a short-day flowering plant, with staminate (male) plants usually taller