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  1. 关键资源 2000-12-01 All gardeners and farmers should be plant breeders, says author Carol Deppe. Developing new vegetable varieties doesn't require a specialized education, a lot of land, or even a lot of time. It can be done on any scale. It's enjoyable. It's deeply rewarding. You can get useful new varieties much...
  2. 关键资源 1975-01-01 Seed technology comprises the methods of improving the genetic and physical characteristics of seed. It involves such activities as variety development, evaluation, and release and seed production, processing, storage, and quality control. These are the main components of a healthy seed industry,...
  3. 关键资源 1999-02-01 This handbook covers a whole range of issues relating to local seed supply systems, including participatory plant breeding, and both technical and practical information on seed production and variety maintenance. It suggests new approaches and methods to support on-farm seed production by...
  4. 关键资源 1987-11-01 This 505 page book is an exceptionally exhaustive source of information on tropical and subtropical fruits. It is a well-illustrated and very readable, practical guide for those interested in growing tropical and subtropical fruits either for the home garden or commercially. The fruits are...
  5. 关键资源 2011-04-28 Part of the NOFAguides. Includes information on: Strengths and limitations of hybrid varieties Before you grow the seed (selecting varieties, saving seed and improving crops, intellectual property rights) Growing seed (pollination biology, harvesting, cleaning, storage, germination testing)...
  6. 关键资源 2007-05-01 This laboratory manual is designed to acquaint the student with many of the important facets of seed science and technology. It accompanies the text Principles of Seed Science and Technology.
  7. 关键资源 2001-07-11 Maintain viability with these techniques for proper seed storage! Healthy, viable seeds are the foundation for sustainable crop production, while poorly kept seeds can result in low germination and crop loss. Seed Storage of Horticultural Crops suggests appropriate strategies to help farmers and...
  8. 关键资源 2002-03-01 Seed to Seed is a complete seed-saving guide that describes specific techniques for saving the seeds of 160 different vegetables. This book contains detailed information about each vegetable, including its botanical classification, flower structure and means of pollination, required population...
  9. 关键资源 2004-01-01 2 Copies Seed production and the maintenance of crop cultivars by small farmers is a subject that has attracted increasing attention over the past decade. The increasing dominance of large multinationals in the seed trade, the controversy over genetic engineering, and the recognition of farmersí...
  10. 关键资源 2000-12-01 The founders of Australia's Seed Savers' Network show how gardeners can protect the global food heritage - and eat it too. The seeds and growth cycles of 117 vegetables, culinary herbs and edible flowers are described in detail. The book begins with eight chapters on the issues around seeds...
  11. 关键资源 2002-01-01 Tropical Tree Seed Manual is a one-volume reference manual for students, technicians, and scientists that provides comprehensive, internationally compiled data about tropical trees. The emphasis is on species of the Americas; however, a number of tropical tree species from other countries are...