 | 140 páginas
RICHARDS , P.W. The tropical rain forest ; an ecological study . Cambridge , University Press , 1952. 450 p . ... RECKNAGEL , A.B. The theory and practice of working plans ( forest organization ) . New York , John Wiley & Sons , 1913 . | |
 | 394 páginas
RECKNAGEL , A. B. The theory and practice of working plans ( forest organization ) . New York , John Wiley & Sons , 1913 . 235 p . Forestry ChroConverting factors U. S. Department 225 , rev . 1949 . Summary of forest research in Puerto ... | |
 | 206 páginas
What we have done and plan to do in the near future is the creation of a technical unit that will be able to coordinate the technical features of the work that FAO , the IAIAS , and other organizations do . The theory of conservation is ... | |
 | 1994 - 26 páginas
Nitrogen Fixing Tree Association , Paia , HI , pp . 129–137 . Kass , D.C.L. , Foletti , C. , Szott ... Plan de trabajo . Proyecto Socioeconomía y biodi- ... On - farm re- search in theory and practice . International Institute of Tropi- ... | |
 | 150 páginas
The chief of the Forest Service has had little identification with or participation in the work of the country team . Annual operating plans and quarterly progress reports are forwarded to him for his information , but otherwise ... | |
 | 12 páginas
However , widespread forest destruction in the South is still a common sight . Failures too have been widespread . Perhaps the most common mistakes include the assumption that it is possible to make conservation plans on paper or to ... | |
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