effects of drought on crop yields (Shah, 2009).
In South Asia the groundwater boom has also
largely been pro-poor, with marginal farmers of
holdings smaller than 2 ha increasing their
groundwater-irrigated area by three times more
proportionally than farmers with more than 10 ha
of land. And an 8-country study of limited smallholder
irrigation in Sub-Saharan Africa, revealed
that small farmers are attracted to groundwater
irrigation because it facilitates the cultivation of
vegetable cash crops for urban markets