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湖南省县域有机农业气候适宜性研究

Hunan Agricultural Sciences(2009)

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Abstract
为明确气候对有机农业种植的适宜性,在将气候资源综合配置对农林作物生理影响"黑箱化"的前提下,以年日照时数(L)、年降水量(R)、年均气温(T)、气温年较差(△T)、年无霜期(S)5项指标归一求和,建立湖南县域气候适宜度函数,并以归一化值位次三段等分点值之和为气候适宜度评价标准,将湖南87个县评为高度气候适宜级县17个,中度气候适宜级县51个,低度气候适宜级县19个。
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Key words
organic agriculture,climate suitability,county
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