Field crops in South Africa by H. D. Leppan and G. J. Bosman This book, "Field crops in South Africa by H. D. Leppan and G. J. Bosman", by Hubert Dudley Leppan, is a replication of a book originally published before 1923. It has been restored by human beings, page by page, so that you may enjoy it in a form as close to the original as possible. This book was created using print-on-demand technology. Thank you for supporting classic literature.