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中文摘要：
为了提高山区农户的粮食安全程度,当地开展了以改良陆稻品种为主的陆稻技术推广措施。利用来自于云南南部山区的农户调查数据,比较分析了不同地块类型上的改良陆稻与传统陆稻生产投入产出效益,并采用柯布-道格拉斯生产函数估算投入要素对陆稻单产的影响。结果发现,农户生产改良陆稻品种的净收益显著地高于传统陆稻品种,台地上陆稻单产要显著地高于坡地;除了台地和改良品种对陆稻单产有正向影响外,农户适当增加磷肥和杀虫剂的投入也能有效地提高陆稻单产。
英文摘要：
For improving farmers＇ food security in the area, upland rice technology extension focused on the use of improved upland rice variety. Using the household survey data from upland of southern Yunnan, we analyzed the input and output of improved upland rice and traditional upland rice on different types of lands, and estimated the effect of input factors on upland rice yield by Cobb-Douglas production function. The results showed that the profit of improved upland rice variety was significantly higher than traditional upland rice variety, and the yield of upland rice on terrace land was higher than on slope land. Terrace land and improved upland rice variety had significantly positive effect on upland rice yield. In addition, increasing the input of phosphate fertilizer and pesticide could also effectively improve the yield of upland flee.
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