THE ROLE OF ON-FARM TRIALS IN THE EVALUATION OF COMPOSITE TECHNOLOGIES - THE CASE OF ALLEY FARMING IN SOUTHERN NIGERIA

被引:17
作者
ATTAKRAH, AN
FRANCIS, PA
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D O I
10.1016/0308-521X(87)90091-6
中图分类号
S [农业科学];
学科分类号
09 ;
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页码:133 / 152
页数:20
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