http://www.snydercounty.org/Depts/Conservation_District/Pages/AgriculturalMutrientManagement.aspx snip: Every farm in Pennsylvania that land applies manure is required to have some type of a written plan that describes how the manure and other nutrients are managed. This includes manure application by various types of equipment and/or direct application by animals on pastures and in animal concentration areas. By following the application requirements, the farmer will optimize yields and protect streams, rivers, ponds and groundwater. and another ..... http://panutrientmgmt.cas.psu.edu/pdf/MMM Overview Presentation 2011-12.pdf seems like this is the start, and that you guys in the USA are getting 'grilled' by the authorities and they are making it more expensive and more difficult to go organic? wonder how long it will be before we get the same draconian rules in the UK?