 | 84 páginas
( 11634 ) ( 11968 ) SINGH , B. N. y SINGH , B. P. The biotic disturbance and soil and water loss . Indian Farming 26 ( 11 ) : 47-49 . 1977 . ( 11969 ) THANGAM , E. S. Containing shifting cultivation . Indian Farming 26 ( 11 ) : 55-56 ... | |
 | 84 páginas
( 11634 ) ( 11968 ) SINGH , B. N. y SINGH , B. P. The biotic disturbance and soil and water loss . Indian Farming 26 ( 11 ) : 47-49 . 1977 . ( 11969 ) THANGAM , E. S. Containing shifting cultivaIndian Farming 26 ( 11 ) : 55-56 ... | |
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