BARLEY_H reports total harvested area dedicated to barley, expressed in hectares, within a 10 kilometer buffer around each DHS cluster location. The harvested area statistics reported in BARLEY_H are based on agricultural censuses and remotely sensed imagery circa 2000. Harvested area data is available for every IPUMS-DHS sample with GPS data and for the following crops: barley, cassava, cotton, groundnuts, maize, millet, oil palm, potatoes, rapeseed, rice, rye, sorghum, soybeans, sugar beets, sugarcane, sunflowers, and wheat.
Please see the User Note on Using IPUMS-DHS Contextual Variables: Crops, Harvested Area [URL omitted from DDI.] for more detailed information about this variable, including data sources and methodology. This variable, like the other IPUMS-DHS contextual variables, is based on sources outside The DHS Program, with values around DHS sample cluster points calculated by IPUMS-DHS staff.