The field of geography is primarily concerned with the study of land and man. Nutrition is one of the important aspect of a region. Agricultural development helped in augmenting per capita calorie and protein production. Wheat and rice output was the major contributor for this increase in calorie and protein production. The contribution of coarse grains in augmenting calorie and protein production was very marginal in spite of the introduction of improved strains.

The field of geography is primarily concerned with theA remnant of an inactive river or stream channel that has been either filled or buried by younger sediment. The sediments that the ancient channel is either cut into or buried by can be unconsolidated, semi-consolidated, consolidated, or lithified.The word palaeochannels is formed from the words "palaeo" or 'old', and channel; i.e.; a palaeochannels is an old channel. This may be synonymous with palaeovalley and palaeoriver. Examples:-Morna and Purna River, Maharashtra, India etc.