The cost of production has been rising after green revolution.Why??
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Impact on Productivity and Food Prices.
The rapid increase in agricultural output resulting from the GR came from an impressive increase in yields per hectare. Between 1960 and 2000, yields for all developing countries rose 208% for wheat, 109% for rice, 157% for maize, 78% for potatoes, and 36% for cassava (18). Developing countries in southeast Asia and India were the first countries to show the impact of the GR varieties on rice yields, with China and other Asian regions experiencing stronger yield growth in the subsequent decades (19). Similar yield trends were observed for wheat and maize in Asia (20). Analysis of agricultural total factor productivity (TFP) finds similar trends to the partial productivity trends captured by yield per hectare [TFP is defined as the ratio of total output to total inputs in a production process (20)] (21). For the period 1970–1989, change in global TFP for agriculture was 0.87%, which nearly doubled to 1.56% from 1990 to 2006 (21).
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The rapid increase in agricultural output resulting from the GR came from an impressive increase in yields per hectare. Between 1960 and 2000, yields for all developing countries rose 208% for wheat, 109% for rice, 157% for maize, 78% for potatoes, and 36% for cassava (18). Developing countries in southeast Asia and India were the first countries to show the impact of the GR varieties on rice yields, with China and other Asian regions experiencing stronger yield growth in the subsequent decades (19). Similar yield trends were observed for wheat and maize in Asia (20). Analysis of agricultural total factor productivity (TFP) finds similar trends to the partial productivity trends captured by yield per hectare [TFP is defined as the ratio of total output to total inputs in a production process (20)] (21). For the period 1970–1989, change in global TFP for agriculture was 0.87%, which nearly doubled to 1.56% from 1990 to 2006 (21).
hope it helps you too much!
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