This book is a collection of four prize-winning essays by Philipp Jacob Breuchel on viticulture that were presented at a public meeting of the Palatinate Academy of Sciences in Germany in 1767. The essays cover topics such as the best grape varieties for wine production, proper pruning techniques, and controlling pests and diseases in vineyards. This book is a must-read for anyone interested in the history of grape growing and winemaking in Germany. This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work is in the "public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work. Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.