Bihar is a predominantly agricultural State with 86 per cent of her population depending upon agriculture. In my study of the National Income of Bihar published in the Indian Journal of Economics, July 1951, I had estimated the gross agricultural income of Bihar for the year 1846-47 at Rs. 230 crores, basing myself on the statistics published in the Season and Crop Report, and at Rs. 272 crores when based on the statistics contained in the Crop Survey Report.

Earlier researches have shown that forecasts of crop acreage and yields can be made on the basis of weather factors. Where adequate data exist such forecasts may be more accurate than those arrived at by the subjective methods used in the official forecasts of most countries.

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