1. 19 جولائی 1992 This process is being used by farmers near the University of Philippines at Los Baños. Fast-growing nitrogen-fixing trees such as leucaena, gliricidia or calliandra are planted ahead of time to shade out grasses. Yams are planted near the base of the tree after weeds are controlled. When the...
  2. 01 جنوری 1993 Improvements to traditional storage systems for fresh yam tubers are possible. These must begin at the time of harvesting when tubers should be handled carefully so that uninjured tubers can be put into storage. Small technical improvments to keep away pests, to improve the climate in storage and...
  3. 01 جنوری 1974 This is the first of several Agriculture Handbooks in which the major species of yams are individually treated in order to bring the investigator as well as the agriculturalist up to date with respect to the status of these important plants.
  4. This book covers the agriculture and nutritive value of yams, and also their medicinal, economic and anthropological importance. It is intended to bring together the findings of recent research, hitherto almost inaccessible to the student, and to correct certain misconceptions which are presently...
  5. 01 جنوری 1983 Following a detailed examination of the morphology and anatomy of yams, the book looks in depth at the cultivation, classification, and marketing of the crop. The coverage given to each aspect of the production and structure of the yarm, of which there are approximately 600 species, is broad and...
  6. 19 جنوری 1978 File: Download [PDF File] Author(s): Martin, Franklin W.,Degras, Lucien. Subject(s): Yams -- Tropics. Format: iii, 23 p. Coverage: tropics Language: English Publisher: Science and Education Administration, U.S. Dept. of Agriculture in cooperation with Agency for International Development Year:...
  7. 19 جنوری 1977 File: Download [PDF File] Author(s): Martin, Franklin W.,Sadik, Sidki. Subject(s): Yams -- Tropics. Format: iv, 36 p. Coverage: tropics Language: English Publisher: Agricultural Research Service, U.S. Dept. of Agriculture in cooperation with Agency for International Development Year: 1977...
  8. 19 جنوری 1978 File: Download [PDF File] Author(s): Martin, Franklin W.,Degras, Lucien. Subject(s): Yams. Format: iv, 26 p. Language: English Publisher: U.S. Dept. of Agriculture Year: 1978 Series: USDA agriculture handbooks Rights: This item is authored by federal employees as part of their official duties...
  9. 19 جنوری 1976 File: Download [PDF File] Author(s): Martin, Franklin W. Subject(s): Yams. Format: ii, 40 p. Language: English Publisher: Agricultural Research Service, U.S. Dept. of Agriculture in cooperation with Agency for International Development Year: 1976 Series: USDA agriculture handbooks Rights: This...
  10. 19 جنوری 1974 File: Download [PDF File] Author(s): Martin, Franklin W. Subject(s): Yams. Format: iv, 18 p. Language: English Publisher: Agricultural Research Service, U.S. Dept. of Agriculture in cooperation with U.S. Agency for International Development Year: 1974 Series: USDA agriculture handbooks Rights:...