生物动力园艺与耕作》第 3 卷，Ehrenfried Pfeiffer 著

The book is authored by Dr. Ehrenfried Pfeiffer, a pioneer in biodynamic gardening and farming.

The book focuses on sustainable farming practices and insights into biodynamic gardening by Dr. Ehrenfried Pfeiffer.

Yes, it is the third volume in a series of articles by Dr. Ehrenfried Pfeiffer, following the first two volumes published in 1983.

You can purchase this book from The Josephine Porter Institute, specializing in gardening and agriculture publications.