1. 1970-01-01 Rev. Ed. 177 pp : charts, graphs Factors influencing crop growth Gift of Dr John Phillip Bishop, June 28, 2023
  2. 2000-01-07 These pictures and the articles in this newsletter reflect the great diversity of concepts, approaches and practices that still exist related to healing people, animals, plants and environments. Vitality and health have a dimension beyond the purely physical and biological level. In most...
  3. The chapters in this monograph have been written to provide examples of models of component processes necessary to simulate the dynamics of crop and soil systems. The information is intended to be useful to researchers, extension and other professional technologists, and teachers.
  4. 1981-01-01 This issue consolidates information about garlic from production to marketing including its economic possibilities.
  5. 1982-01-12 This is volume 3 of the set of four volumes of the Agricultural Development Worker's Training Manuals. This volume is designed to serve a a resource, not a blueprint, for trainers involved in Peace Corps ag trainings that have a crops technical training component. 286 pages
  6. This manual is concerned with the methods of waterproofing all types of soil construction.The first and easiest way toobtainawaterproofingagent from a tree is through Its sap. Since many trees will nothavea free flowing sap, and many that do not have useful sap, all kinds of trees must be tested....
  7. Agriculture in Africa Rural Communities-Crops and Soils is a basic introduction to principples of crop physiology and practices of crop husbandry. The book recognises the realities of traditional subsistence farming but introduces improved methods. As well as details of plant requirements, and...
  8. This Special Publication records in considerable detail, the ideas, concepts, and experiences of 19 outstanding scientist who have observed crop tolerances to different stresses associated with suboptimal land conditions in different parts of the world. The 15 papers included in this Special...