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引用次数: 2
摘要
本研究评估了1990-2015年降雨模式对喀麦隆巴门达高地NDOP平原玉米产量的影响，因为玉米是该地区的主食和经济作物。收集了1990年至2015年的降雨量和玉米产量数据，并以时间序列表示。利用降雨异常指数(RAI)对降雨数据进行分析，确定降水不足的关键时期。结果表明，降雨和玉米产量趋势分别从1990年的146.94 mm/月增加到2015年的220.03 mm/月，从1990年的0.28 t /ha增加到2015年的4.2 t /ha。由于未来降雨模式存在不确定性，变异系数为22.03%(不可靠)，农民应通过生态农业、气候智慧型农业、保护性农业和生产系统多样化来建立抵御能力。
Impact of Rainfall Variability on Maize Production in the NDOP Plain, North West Region of Cameroon (1990-2015)
This study assesses the impact of rainfall patterns from 1990-2015 on maize production in the NDOP Plain of the Bamenda Highlands of Cameroon since maize is a staple food and cash crop in the area. Data on rainfall and maize output were collected from 1990 to 2015 and represented in time series. The rainfall data were further analysed using Rainfall Anomaly Index (RAI), to establish critical periods of rainfall deficiencies. Results indicate that rainfall and maize production trends were increasing from 146.94 mm/month in 1990 to 220.03 mm/month in 2015 and ~0.28 tons/ha in 1990 to ~4.2 tons/ha in 2015 respectively. With uncertainties on the future of the rainfall pattern, the coefficient of variation was 22.03% (unreliable), and farmers should build resilience through agroecology, climate-smart agriculture, conservation agriculture and diversification of production systems.
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