86 Artículos encontrados ( Mostrando 11 - 20)
  1. Ronnie Vernooy et al Despite 25 years of history and the rapid growth in number, organizational diversity and geographical coverage of community seed banks, recognition of their roles and contributions has remained scanty. This book reviews their history, evolution, experiences, successes and failures, challenges and...
    631.521 VER
  2. Laura S. Meitzner, Martin L. Price. 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,...
    633.091 MEI | PI.007, PI.008
  3. S. E. McGregor. Worldwide, more than 3,000 plant species have been used as food, only 300 of which are now widely grown, and only 12 of which furnish nearly 90 percent of the world's food. These 12 include the grains: rice, wheat, maize (corn), sorghums, millets, rye, and barley, and potatoes, sweet potatoes,...
    582.016 USD | PA.006, PG.014
  4. Harry van den Burg 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...
    631.521 AGR
  5. H. et al. Schreppers Proper management of trees and forests is necessary to make resources sustainable. Treesor rather: woody plants in general play an important part in traditional farming systems in the tropics, not just as food and cash crops but also as suppliers of fuelwood and fodder. Farmers are also aware of...
    631.5 AGR | PG.001
  6. Dr. Elaine Ingham Andrew R. Moldenke & Clive A. Edwards For farmers, ranchers, ag professionals, resource specialists, conservationists, soil scientists, students and educators. The Soil Biology Primer is an introduction to the living component of soil and how it contributes to agricultural productivity, and air and water quality. The Primer includes...
    631.4 ING
  7. Toby Hemenway Second Edition The first edition of Gaia's Garden, sparked the imagination of Americas home gardeners, introducing permacultures central message: Working with Nature, not against her, results in more beautiful, abundant, and forgiving gardens. This extensively revised and expanded second edition...
    635.048 HEM
  8. FAO 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,...
    633.104 FAO
  9. Jeff Conant & Pam Fadem From water quality to social inequality, from raising crops to rising temperatures, how we use natural resources affects our health and well-being. This highly-illustrated guide will help health promoters, educators, community leaders and ordinary people take charge of their communities'...
    362.196 CON
  10. Laurens Van Veldhuizen et al This Manual is written for trainers in governmental and non-governmental development organizations who are preparing their staff to work together with farmers in developing technologies appropriate to ecological agriculture and using few external inputs. The training is designed to stimulate...
    630.715 VAN | DB.022