The determinants of common bean variety selection and diversification in Colombia.
The determinants of common bean variety selection and diversification in Colombia.
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DOI：
10.1016/j.ecolecon.2021.107181
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发表时间：
2021-12
期刊：
影响因子：
--
通讯作者：
Ramirez-Villegas J
中科院分区：
文献类型：
--
作者：
Botero H;Barnes AP;Perez L;Rios D;Ramirez-Villegas J
品种选择和多样化是哥伦比亚普通豆生产商采取的适应气候变化的做法。我们在哥伦比亚最重要的普通豆生产区之一桑坦德调查了普通豆品种选择和多样化背后的驱动因素。气候变化对该地区的影响预计是由海拔驱动的。利用海拔驱动的天气变化与桑坦德的气候变化感知之间的关系，我们估计了一个替代特定的条件逻辑回归模型，以确定从生产者调查中确定普通豆品种选择的决定因素。使用有序逻辑回归模型，我们还调查了该农业社区普通豆类品种多样化背后的驱动因素。我们发现，农场的海拔、家庭组成和种子认证是桑坦德农民选择普通豆类品种背后的一些最重要的驱动因素。我们还发现，价格较高、营养周期较短的品种往往更受农民的青睐。最后，从家庭成员那里得到更多帮助并拥有拖拉机的农民倾向于在同一生产周期内种植多个品种。普通豆育种计划可以利用这些驱动因素来设计交流策略，以最大限度地吸收新开发的普通豆表型。确定了哥伦比亚普通豆品种选择和多样化的品种和农民特有的决定因素。一个替代特定的条件逻辑回归模型被用来识别品种选择背后的驱动因素。使用有序逻辑回归模型来识别普通豆类品种多样化背后的驱动因素。品种的选择取决于农场的海拔和家庭组成、植物的生命周期长度和市场价格。多样化取决于家庭组成、农场的地理位置和农民对资本货物的所有权。
Variety selection and diversification are climate change adaptation practices pursued by Colombian common bean producers. We investigate the drivers behind common bean variety selection and diversification in one of the most important common bean production regions in Colombia —Santander. The effects of climate change on this region are expected to be elevation driven. Exploiting the relationship between elevation-driven weather variations and climate change perception in Santander, we estimate an alternative-specific conditional logistic regression model to identify the determinants of common bean variety selection from a survey of producers. Using an ordered-logistic regression model, we also investigate the drivers behind common bean variety diversification within this farming community. We find that farms' elevation, household composition, and seed certification are some of the most important drivers behind farmers' common bean variety selection in Santander. We also find that varieties that sell at higher prices and have shorter vegetative cycles tend to be more preferred by farmers. Finally, farmers who receive more help from family members and own a tractor tend to grow more than one variety in the same production cycle. Common bean breeding programmes can exploit these drivers to design communication strategies to maximize uptake of newly developed common bean phenotypes. Variety- and farmer-specific determinants of common bean variety selection and diversification in Colombia are identified. An alternative-specific conditional logistic regression model is used to identify the drivers behind variety selection. An ordered logistic regression model is used to identify the drivers behind common bean variety diversification. Variety selection depends on farms' elevation and household composition, plants’ life cycle length, and market price. Diversification depends on household composition, farms' geographical location, and farmers' ownership of capital goods.
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影响因子：
7
作者：
Asrat, Sinafikeh;Yesuf, Mahmud;Wale, Edilegnaw
通讯作者：
Wale, Edilegnaw
DOI：
10.1007/s11027-012-9432-0
发表时间：
2014-02-01
影响因子：
4
作者：
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通讯作者：
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DOI：
10.1080/14735903.2004.9684569
发表时间：
2004-01-01
影响因子：
3.4
作者：
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通讯作者：
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影响因子：
2.3
作者：
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影响因子：
2.3
作者：
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