Also, injecting liquid fertilizer into the ground, 12-20 inches deep is another excellent way to get nutrients into the soil.
Make sure you get your manure into the soil. It is a great way to minimize costs and add rich soil nutrients back in your soil.
Another option that people chose to do is to analyze their manure before spreading and see where the best places would be to help bring up nutrient levels in certain areas of your land. A complete analysis can be very helpful. For more information contact a representative at Midwest Laboratories and ask for a manure testing kit.
Check out more in this recent episode of AgPHd