 | Pedro A. Sánchez, Edilberto Camacho - 1981 - 650 páginas
GREENLAND , D. J. Evolution and development of different types of shifting cultivation . FAO Soils Bull . 24. 1974. pp . 5-13 . Bringing the green revolution to the shifting cultivator . Science 190 : 841-844 . | |
 | Richard R. Harwood - 1986 - 196 páginas
Bringing the green revolution to the shifting cultivator . Science 190 : 841-844 . Una lista de los factores necesarios para mejorar y estabilizar la producción del agricultor africano , incluyendo el uso de cultivos mixtos con ... | |
 | 48 páginas
GREENLAND , D.J. Bringing the green revolution to the shifting cultivator . Science . 190 : 841-844 . 1975 . HART , R. El ordenamiento y las relaciones de información agropecuarias en sistemas ' jerárquicos . | |
 | 56 páginas
GREELAND , D. Bringing the green revolution to the shifting cultivator . Science 190 ( 4217 ) : 841-844 , 1975 . GUATEMALA . INSTITUTO DE CIENCIA Y TECNOLOGIA AGRICOLAS . Sector Público Agrícola . Guatemala , 1974 . 1973-74 . | |
 | 84 páginas
( 11471 ) GREENLAND , D. J. Bringing the green revolution . to the shifting cultivator ; Better seed , fertilizers , zero or minimun tillage and mixed cropping are necessary . Science 190 ( 4217 ) : 841-844 . 1975. 18 refs . | |
 | 84 páginas
( 11471 ) GREENLAND , D. J. Bringing the green revolution to the shifting cultivator ; Better seed , fertilizers , zero or minimun tillage and mixed cropping are necessary . Science 190 ( 4217 ) : 841-844 . 1975. 18 refs . | |
 | 26 páginas
Examples of such systems are shifting cultivation in tropical forests , and rainfed , bunded rice production in Asia . ... centuries as a result of better agricultural methods accelerated in this century and green revolutions occurred . | |
 | 326 páginas
With abundant land and cheap labor , farmers do not readily adopt green revolution technology that increases yield per ... Only when overpopulation pressure pinches and new land cannot be brought into cultivation easily ( as in Asia and ... | |
 | 250 páginas
Only when overpopulation pressure pinches and new land cannot be brought into cultivation easily ( as in Asia and , recently , the drier regions of eastern and southern Africa ) , is there incentive to shift to yield - increasing ... | |
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