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  1. Tài Nguyên Chính 01-01-1996 This is a book of practical ideas. It is written for people who help those who live and make their living under difficult conditions in the tropics and subtropics. What should a development worker do to assist a community? There are no simple answers, but there are many possibilities—plants,...
  2. Tài Nguyên Chính 01-11-1995 This is a new and up-to-date edition of the farming section in the hugely popular "People's Workbook". Originally written for the millions of Southern Africa's small farmers who help themselves by growing their own vegetables or keeping their own chickens and a few goats, this book will also help...
  3. Tài Nguyên Chính 01-01-1985 Subsistence agriculture is the major pre-occupation of the bulk of the rural population. This manual on subsistence agriculture is the end result of consistency and persistence in the development of appropriate and improved techniques in improving subsistence agriculture production – to make...
  4. Tài Nguyên Chính 19-01-1980 General information about human nutritional needs forms the background for detailed discussion of various plant groups and the roles they fulfill in the human diet. Individual species of leaves, legumes, roots and tubers, fruit vegetables, and cereals that are especially appropriate for the...

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