The New Encyclopaedia Britannica: A - K.Encyclopaedia Britannica, 1997 |
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Page 67
... crops . artificial brood of three young , only two squabs can be fed at a time , and natural broods of three are extremely rare . In several species so far studied , when the nestlings are about three - quarters grown the parents begin ...
... crops . artificial brood of three young , only two squabs can be fed at a time , and natural broods of three are extremely rare . In several species so far studied , when the nestlings are about three - quarters grown the parents begin ...
Page 624
... crop easily adopted by tuber farmers but more difficult for grain farmers to ac- cept . It , too , was better protected from rodents - and even from marauders - than traditional crops . Cassava could be left in the ground when farmers ...
... crop easily adopted by tuber farmers but more difficult for grain farmers to ac- cept . It , too , was better protected from rodents - and even from marauders - than traditional crops . Cassava could be left in the ground when farmers ...
Page 631
... crops of coffee , cotton , and tobacco were introduced by French plantation owners , but , faced with political instability since independence , many Central African producers have returned to sub- sistence production . Newer cash crops ...
... crops of coffee , cotton , and tobacco were introduced by French plantation owners , but , faced with political instability since independence , many Central African producers have returned to sub- sistence production . Newer cash crops ...
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