Water use has been growing at more than twice the rate of population increase in the last century. As we knowagriculturepractices use the water at itshighestlevel. Let discuss what are the smart water use practices in agriculture are and howfarmershould contribute in the agriculture water stewardship.
first: Farmer by protecting soils from buildings contribute to maintain the natural cycle of water.
secondly: by recycling waste water they could enhance groundwater
thirdly: by lowering evaporation using microclimate (for example agroforestry) they could limit water use for crop
http://intranet.catie.ac.cr/intranet/posgrado/Agrof-Cult-AyP/Curso%20SAF%20A%20y%20P%202010/I.%20Plantaciones%20lineales%20en%20SAF/Lecturas%20optativas/Effects%20of%20windbreaks%20on%20airflow,%20microclimates%20and%20crop%20yields.pdf
The question could also be inverted
What impact have farmer on water stewardship?
http://www.mbl.edu/blog/neill-phil-trans-april-2013-pr/
http://www.rtcc.org/2012/09/07/amazon-deforestation-could-reduce-tropical-rainfall-and-affect-brazils-hydro-plans/