Smaller farmlands can yield more ; raising agricultural productivity by technological change.
| Corporate Author: | |
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| Format: | Book |
| Language: | English |
| Published: |
Rome,
[publisher not identified] ;
1969.
|
| Series: | World food problems ;
no. 8. |
| Subjects: |
| Physical Description: | vii, 73 pages : illustrations ; 20 cm. |
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