'Strip crop' diaporamas de présentation

FFA Land Judging Using the 2005 Scorecard and Guidebook

FFA Land Judging Using the 2005 Scorecard and Guidebook. Terence H. Cooper Dept. of Soil, Water, & Climate University of Minnesota, St. Paul. Soil - the essence of life. Darkle, darkle, little grain, I wonder how you entertain a thousand creatures microscopic.

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