They are complemented by regulations on land use, the specification of which agricultural zones are suitable for given crops (and therefore more likely to receive official credit), as well as regulations on biofuel use and organic production. Brazil also directs substantial public funds into land reform to empower the poor to generate better incomes. These funds provide disadvantaged groups with access to agricultural land, financial resources, and the knowledge and skills necessary to undertake farming and other economic activities. Support is classified according to its tendency to distort production of trade, but it also gives an indication of how policies priorities vary across the sector.