The National Geographic Magazine, Volume 96National Geographic Society, 1949 - Geography Indexes kept up to date with supplements. |
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Page 147
... origin of a 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 ...
... origin of a 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 ...
Page 149
... origin or distribution . " Neverthe- less , other available evidence points to a strictly American origin ( page 159 ) . Other American vegetable species , too , were so quickly scattered over the earth after about 1500 and were grown ...
... origin or distribution . " Neverthe- less , other available evidence points to a strictly American origin ( page 159 ) . Other American vegetable species , too , were so quickly scattered over the earth after about 1500 and were grown ...
Page 150
... origin in the Mediterranean , such as cabbage , lettuce , beets , and parsley , show other centers of origin or distribution in the Near East , and vice versa . Likewise , many kinds of vege- tables show centers in both the Middle East ...
... origin in the Mediterranean , such as cabbage , lettuce , beets , and parsley , show other centers of origin or distribution in the Near East , and vice versa . Likewise , many kinds of vege- tables show centers in both the Middle East ...
Contents
Adobe New Mexico By Mason Sutherland With 28 illustrations in color from natural | xiii |
Laplands Reindeer Roundup 14 illustrations in color from naturalcolor photographs | xxvi |
New Discoveries on the MidAtlantic Ridge By Maurice Ewing With 23 illustrations | xxxix |
Copyright | |
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