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˹éÒ 12
... historical causes of deforestation are poverty , population growth and the price
of cash crops ( Tongpan et al , 1990 ) . ... irrigation infrastructure , and crop prices
as the main causes of deforestation in Northeastern Thailand ( Sungsuwan ...
... historical causes of deforestation are poverty , population growth and the price
of cash crops ( Tongpan et al , 1990 ) . ... irrigation infrastructure , and crop prices
as the main causes of deforestation in Northeastern Thailand ( Sungsuwan ...
˹éÒ 25
Spending on research and extension services rose considerably after the 1970s ,
but yields on major crops remain among the lowest in Asia . Nonetheless ,
agricultural output expanded steadily esensi during this period , partly because of
...
Spending on research and extension services rose considerably after the 1970s ,
but yields on major crops remain among the lowest in Asia . Nonetheless ,
agricultural output expanded steadily esensi during this period , partly because of
...
˹éÒ 26
It would decide what crops would be produced nation - wide , it would have ...
commodity taxes and to use the proceeds for research and crop support on a
selective basis , and it would punish farmers who shirk contractfarming
obligations .
It would decide what crops would be produced nation - wide , it would have ...
commodity taxes and to use the proceeds for research and crop support on a
selective basis , and it would punish farmers who shirk contractfarming
obligations .
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