* Spring sees scant hope for end of drought in Italy * Farmers cut back planting, food production threatened * Italian government to shore up lakes for storage By Michele Bertelli ABBIATEGRASSO, Italy, April 13 (Thomson Reuters Foundation) - T here is only a feeble trickle in the irrigation canal feeding farmer Alessandro Salmoiraghi's field of kiwi fruit in northern Italy. "The constant problem is the lack of water," he said.