English (en) | Change Language
  1. 1983-01-01 Proceedings of a symposium sponsored by the American Society of Agronomy, Crop Science Society of America, and Soil Science Society of America. 378 pages, illustrated
  2. 2004-02-01 Sustainable Agriculture Network 20 pages, illustrated, photos
  3. 1977-01-01 32 pages. Presentation on field food crops in Africa and Near East.
  4. 1984-06-01 FAO of the United Nations has as its objective to present the principles and practices of tillage systems for sustained food production and to create an awareness of the need to conserve the world's soil, water and energy resources for future generations.
  5. This symposium offered a unique opportunity for crop physiologist working on different crops to meet and discuss their problems.
  6. The research reported here aimed to collect basic information on the characteristics of erosion processes in a defined area of the Andean zone of Colombia.
  7. This book unites campesinos, professors, investigators, administrators, and other persons interested in slash/mulch systems, to discuss the improvement of these systems and possible modifications that might be incorporated in the systems.
  8. The book is designed as an introduction to the subject. It is assumed that the reader has the background of a first degree in agricultural
  9. The papers presented in this publication provide a review of soybean cropping systems research from a variety of viewpoints, including those of international, national, and regional programs. There are also a number of papers from the private sector. In reviewing the papers, a number of points...
  10. 1995-01-01 Sound crop and soil management such as the use of fertilizers and lime, pest and disease control, optimum planting densities and patterns, selection of appropriate crop varieties among others are fundamental to diminish soil erosion and achieve greate ryields. From the study it may be concluded...