The National Geographic Magazine, Volume 100National Geographic Society, 1952 - Geography Indexes kept up to date with supplements. |
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Page 328
... produce hybrids of plants which could never have been crossed naturally . In this way they work to combine qualities ... Production of just a few greatly improved varieties of berries , plums , apples , or grapefruit may pay the cost of ...
... produce hybrids of plants which could never have been crossed naturally . In this way they work to combine qualities ... Production of just a few greatly improved varieties of berries , plums , apples , or grapefruit may pay the cost of ...
Page 348
... production , men turn to plants for the oil they must eat to live . In lands border- ing the Mediterranean Sea , the olive tree supplies much of this need . From 20 to 60 percent of a ripe olive is oil . Men extract almost a million ...
... production , men turn to plants for the oil they must eat to live . In lands border- ing the Mediterranean Sea , the olive tree supplies much of this need . From 20 to 60 percent of a ripe olive is oil . Men extract almost a million ...
Page 350
... production is success- ful are much more limited . Even a small amount of rain and humid weather as the fruit approaches maturity will cause it to mold and sour . Thus fruit production is largely limited to areas having very dry sum ...
... production is success- ful are much more limited . Even a small amount of rain and humid weather as the fruit approaches maturity will cause it to mold and sour . Thus fruit production is largely limited to areas having very dry sum ...
Contents
Around the World in Eighty Days By Newman Bumstead With 34 illustrations | 9 |
Colorados Friendly Topland Rocky Mountains By Robert M Ormes With 19 illus | 11 |
Biggest Little Library in the World By Joseph T Foster 411 | 11 |
Copyright | |
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