HELP - I HAVE THE OPPORTUNITY TO OBTAIN WELL ROTTED HORSE MANURE AND CATTLE MANURE FOR MY VEGETABLE GARDEN. WHICH DO I HAVE? I HAVE BEEN TOLD HORSE MANURE IS TOO RICH FOR VEGATABLES IS THIS CORRECT? I HAVE IN THE PAST USED MY OWN WELL ROTTED COMPOST FROM MY OWN COMPOST BINS BUT THIS YEAR I HAVE EXTE...