1. Vetches form on of the most economically important genera of legumes. This book contains the key and detailed descriptions and illustrations of some of the species.
  2. A new method for the practical identification and recognition of trees -- and an important supplement to existing botanical methods. The book is in two parts: Pictorial Keys and Master Pages. The Keys are designed for easy visual comparison of details whichlook alike, narrowing the identification...
  3. This book has been prepared for undergraduate fruit and nut growing courses in colleges. The author has made a special attempt, however, to make the book not only complete and technically accurate but interesting and easy-to-read so that it can be used as a text or reference in technical courses...
  4. This booklet tells why organic matter in the soil may be considered our most important national resource. The author describes how it furnishes fuel for bacterial wrecking crews and how it is turned into plant nutrients. He shows that many of our farm practices have enormously reduced the supply...
  5. This technical guide is a comprehensive summary of forest nursery practices for the Caribbean, tropical Latin America, and, to a lesser degree, other tropical areas in the world. Included are actual and the authors' recommended practices, pointing out the advantages and disadvantages wherever...
  6. This book discusses grain storage problems as they are faced by small-scale farmers. It contains explanations of the sturcture of grain, the relationship between grain and moisture, the need for proper drying. One large section contains detailed, fully illustrated plans for constructing a variety...
  7. An Acres U.S.A. Primer is a primer in the sense that very little in the book runs beyond the comprehension of a person blessed with average intelligence and a fair education. It assumes no great knowledge of chemistry, botany, entomology or soil physics. But those who study this book will handle...
  8. This monograph is intended to set forth the principles and the best practices currently known of dryland agriculture in North America. It represents a distillation of the knowledge of the leading authorities in the field from the federal governments, universities, and private industry....
  9. The focus throughout this book is small-space gardening. We draw from the work of plant scientists on dwarfing rootstocks and genetic or natural dwarfs; from old and new techniques of pruning and trining that confine plants; and from the experience of home gardeners willing to try something new...
  10. The aims of the workshop were to document the importance of diseases in pastures from a realistic assessment of the extent and nature of losses caused by diseases in each country and to consider the methodology needed to assess accurately such losses using economic analysis; to critically review...