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. 2006 Dec 8;103(52):19668–19672. doi: 10.1073/pnas.0609584104

Fig. 4.

Fig. 4.

Historical trend in wet-season rice harvest in India. MMT, million metric tons. Observed values (black) are summed across the nine predominantly rain-fed rice-growing states in the country. The trend line (blue), a cubic polynomial relating ln(harvest) to year, was fitted using ordinary least squares regression. The annual growth rate along the trend line peaked at 2.70% in 1984–1985.