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الموضوعات: Manures Wisconsin., Cattle Manure Wisconsin., Farm manure Wisconsin., Irrigation Wisconsin., Engrais naturels Wisconsin., Bovins Fumier Wisconsin., Fumier Wisconsin., Irrigation Wisconsin., Cattle Manure., Farm manure., Irrigation., Manures., Wisconsin.
URL:
https://fyi.uwex.edu/manureirrigation/files/2016/04/Manure-Irrigation-Workgroup-Report-2016.pdf http://worldcat.org/oclc/951614650/viewonline