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Since 1986, after erformed policies were exected in "doi moi" process, Vietnam's rice production has increased considerably. That uninterrupted change has transformed Vietnam from a net importer into ...the world's third largest exporter by volume. As a result, food security has been archeived at the aggregate level. Rural income has increased, poverty has fallen, the overall well-being in rural has been improved (United Nations, 1999). Those achievements were gained because of not only reformed policies but also the other directed factors such as improvement in water supplies, better cultivation practices, the dissemination of new varieties and increased use of chemical fertilizer and petticides in rice production. However, how and how much each of those factors influences on the growth of rice production has ben still in the question. Therefore, this approach aims to adress that fundamental problem and to identify variety adoption in a small region of Vietnam.続きを見る
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