. Biology of rust resistance in forest trees : proceedings of a NATO-IUFRO advanced study institute, August 17-24, 1969. Trees; Pine; Trees; Rust diseases. 636 NORMAN E. BORLAUG ?2 AREA . PRODUCTION ___ YIELD ^Estimated for 1969 i- § o < 2» o £ a. g o- 5 UJ CO < g uj 3 < 2. i i i N , \ i r> m to <c to CD UJ 800 id a> ;>. q cj »}• (© YEARS Figure 3. Total area; production and yield of wheat in Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations m
. Biology of rust resistance in forest trees : proceedings of a NATO-IUFRO advanced study institute, August 17-24, 1969. Trees; Pine; Trees; Rust diseases. 636 NORMAN E. BORLAUG ?2 AREA . PRODUCTION ___ YIELD ^Estimated for 1969 i- § o < 2» o £ a. g o- 5 UJ CO < g uj 3 < 2. i i i N , \ i r> m to <c to CD UJ 800 id a> ;>. q cj »}• (© YEARS Figure 3. Total area; production and yield of wheat in Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original North Atlantic Treaty Organization; International Union of Forestry Research Organizations; United States. Forest Service; University of Idaho. Washington, D. C. : Forest Service
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Keywords: ., bookauthoruni, bookcentury1900, booksubjectpine, booksubjecttrees
