会理县烟区土壤肥力状况综合评价
Chinese Journal of Soil Science(2014)
Abstract
会理县是四川主要的烤烟种植区之一,基于会理县主要植烟乡镇269份土壤样品的养分指标,运用模糊综合评价法对会理县燥红壤、红壤、棕壤、黄棕壤、紫色土、水稻土和石灰岩土七种植烟土壤进行综合肥力评价.结果表明会理烟区7种土壤类型的肥力综合指数是:石灰岩土>黄棕壤>水稻土>红壤>棕壤>紫色土>燥红壤;石灰岩土和黄棕壤Ⅰ级土壤所占比例较大;水稻土Ⅱ级和Ⅲ级分布较多;棕壤、紫色土、燥红壤大部分为Ⅳ级;红壤各等级分布比较平均.各土壤类型肥力状况差异较大,石灰岩,黄棕壤和水稻土相比较优,红壤、棕壤、紫色土和燥红壤要根据具体情况进行肥力改造.
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Key words
huili tobaccogrowing area,soil fertility
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