The National Geographic Magazine, Volume 96National Geographic Society, 1949 - Geography Indexes kept up to date with supplements. |
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Page 147
... plant , we know where to look for different forms having characteristics that might be valuable in present - day crop breeding . Plant - hunting expeditions are sent to the supposed region of origin of a species in the hope of finding ...
... plant , we know where to look for different forms having characteristics that might be valuable in present - day crop breeding . Plant - hunting expeditions are sent to the supposed region of origin of a species in the hope of finding ...
Page 148
... plant is finding the place where its ancestral form is still growing in the wild . But finding wild forms as weeds in a particu- lar place , or finding cultivated plants that have escaped into the wild , proves nothing about their ...
... plant is finding the place where its ancestral form is still growing in the wild . But finding wild forms as weeds in a particu- lar place , or finding cultivated plants that have escaped into the wild , proves nothing about their ...
Page 153
... plants might grow somewhat larger than in the wild or make somewhat larger yields , but they would still be " wild " plants . Merely continuing to plant all the seed from such plants year after year , and tending the plants carefully ...
... plants might grow somewhat larger than in the wild or make somewhat larger yields , but they would still be " wild " plants . Merely continuing to plant all the seed from such plants year after year , and tending the plants carefully ...
Contents
Incredible Andorra By Lawrence L Klingman With 19 illustrations in color from | 3 |
Laplands Reindeer Roundup 14 illustrations in color from naturalcolor photographs | 109 |
Milestones in My Arctic Journeys By Willie Knutsen | 543 |
Copyright | |
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aborigines Alaska American ancient Andorra animals Appalachian Trail Arctic Arnhem Land beach beans birds built cabbage called camp Canyon century Chinese coast color crop East Escalante Eskimo expedition explorers Fairbanks feet fish flying French garden Greek Greenland Groote Eylandt Grosvenor grow grown Hawaii Hawaiian hills Indians Island jungle Justin Locke Kodachrome Lake live look maize Maynard Owen Williams Mediterranean Mexico Mid-Atlantic Ridge miles mollusks Mount Oglethorpe mountain musk ox muskmelon NATIONAL GEOGRAPHIC MAGAZINE National Geographic Photographer National Geographic Society native North northern Oenpelli Painting Park peaks Peiping Pittsburgh plane plant potato Quebec radio Ridge River road rock seeds shell ship Sno-Cat snow South Spanish species spoonbill station stone summer town trees trip truck United Valley varieties vegetables Virginia walls weather West wild winter Yirrkala