Many good studies dealing with economics of conservation have been reported, but some essential questions remain unanswered. What effect does planning the farm to achieve conservation goals have on farm income? How much income could a farmer earn if he ignored conservation? How would income...

An economic production function was derived in an analysis of water application to corn by phonological time periods. The quantities of use of water by growth periods as delineated by physical stages were tested for influence on final output of dry matter and grain. Several yearsÂ’ data for...