Age: SMALL farmers in the Murray-Darling Basin will be able to sell their water entitlements to the Commonwealth for up to $150,000 under a plan to return 48 billion litres to the river system. Prime Minister Kevin Rudd said the scheme — open to farmers on blocks of up to 15 hectares — would allow eligible small irrigators affected by drought and climate change to quit farming, while remaining on their blocks. “This program will provide struggling small irrigators, many of whom have been …