land occupation. Introduction of new, shorter season (90–100 days)
To facilitate visualization of sub-state level yield correlations, better
approximating the scale of the remote sensing data used in this study,
yield estimateswere also obtained at themunicipality level fromthe aggregate
database from IBGE's Automatic Recovery System (SIDRA;
http://www.sidra.ibge.gov.br/), which provides time-series data from
1990 to present aggregated to the country and state level and also at
the municipality, district and neighborhood levels. Unlike CONAB, the
IBGE dataset does not distinguish yield obtained in different cropping
cycles but only provides a bulk annual yield estimate for each crop type.