Nitrogen makes grass grow. Spreading fertility produces more pounds of forage, which cows convert to protein: beef and milk. Adding nitrogen to pastures would be a no-brainer, except for toxic tall fescue. Toxic fescue cuts conception rates, milk output and pounds of gain. It affects heat tolerance. Also, the toxin constricts blood flow. That latter symptom can cause fescue foot, which can kill cows. Read more at Drovers CattleNetwork…