Fertilizer prices have moderated in the last year or two from insane to merely crazy, says a soil fertility specialist.Better nutrient management becomes increasingly important as farmers struggle to find ways to maintain yields without significant production cost increases that may stem from those high fertilizer pricesEnvironmental issues affect fertility. Too much rain may leach nutrients away and drought may limit uptake. Growers must be cognizant of water contamination issues and be wary of nitrogen and phosphorus near bodies of water.