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本文通过对河北省涿鹿山区7个村111户杂交玉米扩散的实地调查,揭示出如下特征:(1)杂交玉米品种更替在不同的村表现出明显的差异性,即村际差异;(2)中单2号在当地的扩散经历了近10年的历程,而掖单13和农大60在经过5年后近37%的农户采用了它们,反映出技术扩散速度的加快;(3)农户不愿接受新品种更多地受到众多传统因素的影响;而接受新技术的农户则更多地受到经济收入,个人见识的影响;(4)由于农业技术推广网络的严重不足,农户的技术接受还较多地受到了人际网络的影响,有较强的互动作用。
In this paper, field investigation on the 111 maize hybrids in 7 villages of Zhuolu Mountainous area in Hebei Province revealed the following characteristics: (1) The alternation of hybrid maize showed obvious difference in different villages, namely, ) Zhongdian 2 has experienced nearly 10 years of local proliferation while Yedang13 and Nongda 60 have adopted them in nearly 37% of the households after 5 years, reflecting the acceleration of technology diffusion. (3) Farmers Unwillingness to accept new varieties is more influenced by many traditional factors; while those who accept new technologies are more affected by economic income and personal knowledge; (4) Due to the serious shortage of agricultural technology extension networks, farmers’ technological acceptance Also more affected by the network of people, have a strong interaction.