云南大理州烤烟生态适宜性评价

Chinese Agricultural Science Bulletin(2012)

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Abstract
为了大理州优质烤烟的生态种植规划,筛选了关键生态因素,采用模糊数学方法,分析了大理各县(市)的生态适宜度。结果表明:大理烟区各关键生态因子适宜性贡献率表现为成熟期气温(17.5%)>土壤有机质(16.2%)>大田期气温(14.5%)>成熟期降雨量(12.3%)>大田期降雨量(11.7%)>土壤质地(11.0%)>土壤pH(10.6%)>土壤有效氯含量(6.2%)>有效土层厚度(0%)。大理州12个植烟县可划分为3个档次:巍山、南涧、弥渡、宾川、云龙、漾濞、永平为Ⅰ类烟区,生态条件最适宜;洱源、祥云为Ⅱ类烟区,生态适宜性次适宜;大理、剑川、鹤庆为Ⅲ类烟区,生态适宜性再次。
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Key words
Dali,climatic suitability evaluation,flue-cured tobacco
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