water savings have ranged between and per cent input cost savings per hectare are estimated to be per cent due mainly to the use of fewer agrochemicals and farmers incomes have increased substantially however the involvement of formal research institutions has been more marginal with some positive experiences in china and indonesia the governments of cambodia china india indonesia and viet nam have endorsed these innovations and included them as part of their national strategies for food security africare oxfam america and wwficrisat project p