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  1. 关键资源 1985-10-19 This book is primarily intended for use by students of tropical agricultural science at higher secondary school and diploma levels, but should also be of interest to agriculturalists, planners and others involved in the development of rural areas in the dry tropics. In writing it, the authors...
  2. 关键资源 1991-02-01 Food from Dryland Gardens encourages gardens that serve local needs, that are based on local knowledge, and that conserve natural resources and the biological diversity of traditional crops. It was written for field workers, extension agents, students, project workers, and program planners. Both...
  3. 关键资源 2013-06-14 How to harvest water and nutrients, select drought-tolerant plants, and create natural diversity Because climatic uncertainty has now become "the new normal," many farmers, gardeners and orchard-keepers in North America are desperately seeking ways to adapt their food production to become more...