Hey, mossberghunter93
Yes it can, horse manure is very good for the ground. Only down side is it can have weed seeds in it. And it dont have as much nitrogen. But all of those things can be fixed, by composting both the poultry litter, horse manure,straw,leaves etc. Not sure how big your plot is. But generally you can use about 2 tons per acre. No fertilizer is better than good compost. Can even cut down on how much lime you need.