Challenges on Production and Utilization of White Lupin (Lupinus albus L.) in Ethiopia: A Strategic Orphan Crop

Hibstu Azeze, F. Mekbib, Yigzaw Dessalegn, Z. Tadele, Negussie Megersa
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引用次数: 7

Abstract

Aim: To assess the potentials and constraints of production and utilization of white lupin in the major growing areas and analyze the production, area coverage and productivity trend in Ethiopia. Study Design: Purposive sampling method was used to select districts and random sampling procedure followed to select respondents among white lupin producers. Methodology: Survey was conducted on Feb 2013 at Machakel and Banja districts of Eastern Gojjam and Awi Zones of Amhara Regional respectively. A sample size of 80 respondents for the two districts was used. The data was analyzed with SPSS 16.0 software, and descriptive statistics was used to interpret the results. In the trend analysis, three forecasting models such as linear trend model, quadratic trend model, and exponential growth model were used to find the best fitted model for area coverage, production, and productivity of white lupin. Forecasting errors namely mean absolute percentage error; mean absolute deviation and mean squared deviation were used as model selection criteria. Results: The study areas showed significant difference (p<0.001) for production and utilization practices. About 82.5% and 66.7% of the respondents at Banja and Machekel districts respectively replied on consumption of snack as supplementary food. Farmers produce the crop with minimum or no cultural practices. About (40%) respondents intercrop white lupin with other crops. Farmers use their own seeds; lack of production packages, late maturity, disease and stepwise postharvest processing are the major constraints. The quadratic model, due to its lowest values of the forecasting errors, was best fitted to predict the future estimate of area, production, and productivity of white lupin. Conclusion: If the current production practices remain unchanged, decreasing in total area coverage, production and productivity will continue. Therefore, for better utilization of this potential crop, the current indigenous farmers’ practices need to be supported by research based technologies of production and utilization.
埃塞俄比亚白露宾(Lupinus albus L.)生产和利用面临的挑战:一种战略性孤儿作物
目的:评价白屈菜在埃塞俄比亚主要产区的生产利用潜力和制约因素,分析白屈菜在埃塞俄比亚的产量、面积覆盖率和生产力趋势。研究设计:采用目的性抽样的方法选择地区,采用随机抽样的方法在白露生产者中选择调查对象。方法:调查于2013年2月分别在Gojjam东部的Machakel和Banja区以及Amhara地区的Awi区进行。调查样本为两个地区的80名受访者。采用SPSS 16.0软件对数据进行分析,采用描述性统计方法对结果进行解释。在趋势分析中,采用线性趋势模型、二次趋势模型和指数增长模型对白露面积、产量和生产力进行拟合。预测误差即平均绝对百分比误差;采用平均绝对偏差和均方差作为模型选择标准。结果:研究区在生产利用实践上存在显著差异(p<0.001)。在Banja和Machekel地区,分别有约82.5%和66.7%的受访者回答了零食作为补充食品的消费。农民生产这种作物时很少或根本没有任何文化实践。大约(40%)的应答者将白豆与其他作物间作。农民使用自己的种子;缺少生产包装、晚熟、病害和采后逐步加工是主要制约因素。二次型模型的预测误差最小,最适合于对白斑面积、产量和生产力的预测。结论:如果目前的生产实践保持不变,总覆盖面积、产量和生产率将继续下降。因此,为了更好地利用这种潜在作物,目前的土著农民的做法需要得到基于研究的生产和利用技术的支持。
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