On average, 37 percent of the food produced by participating farmers was purchased by the programme. In some countries, the tendency has been to avoid targeting the same households with social protection and agricultural input subsidy programmes on the grounds of equity; in others, the focus has been on potential synergies among the different programmes. Whether or not the objective is to allow programme overlap, an important challenge in implementing multiple programmes is the identification of target households (see also Box 23). It is targeted at populations living in extreme poverty and implemented by means of the construction of cisterns, collective water supply systems and small dams.