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当前位置: 首页 > 文章 > 珲春苹果梨园不同土壤剖面有机磷分布特征 北方园艺 2016 (6) 156-159
Position: Home > Articles > Distribution Characteristics of Organic Phosphorus Components in Soil Profile of Apple-pear Orchard in Hunchun City Northern Horticulture 2016 (6) 156-159

珲春苹果梨园不同土壤剖面有机磷分布特征

作  者：
王非非;谢修鸿;窦文涛;程晶;梁运江
单  位：
长春大学园林学院;延边大学农学院
关键词：
土壤剖面;有机磷组分;苹果梨园;土层
摘  要：
针对延边州珲春市苹果梨园土壤,在苹果梨园内布置剖面点,挖掘剖面,根据土壤形态划分土壤自然发生层,分层采集土壤样品,采用改进Bowman-Cole法测定了土壤中不同土层各种形态的有机磷含量。结果表明:在珲春苹果梨园地区,各剖面层次荒地有机磷总量均高于苹果梨园;随土层深度增加,有机磷各组分含量整体呈下降趋势;有机磷各组分中,活性有机磷表现更易于植物吸收;有机磷各组分占有机磷总量的比例不尽相同,其共同之处表现为中活性有机磷组分在有机磷总量中占有较高的比例,中活性有机磷为珲春苹果梨园土壤中重要的有机磷形态。
译  名：
Distribution Characteristics of Organic Phosphorus Components in Soil Profile of Apple-pear Orchard in Hunchun City
作  者：
WANG Feifei;XIE Xiuhong;DOU Wentao;CHENG Jing;LIANG Yunjiang;College of Agriculture,Yanbian University;College of Landscape Architecture,Changchun University;
关键词：
soil profile;;organic phosphorus fractions;;apple-pear orchard;;soil horizon
摘  要：
Aiming at soil in apple-pear orchard of Hunchun city of Korean Autonomous Prefecture of Yanbian of Jilin Province,mined soil profile in apple-pear orchard,collected soil samples from different soil genetic horizon according to soil properties,determined organic phosphorus fractions with improved Bowman-Cole method.The results showed that organic phosphorus content of wasteland was higher than that in apple-pear orchard within same soil horizon.The content of different organic phosphorus fractions showed a downward trend along with increasing depth of soil horizon in apple-pear orchard and wasteland.Labile organic phosphorus was more easily absorbed by plants among organic phosphorus fractions.The proportion of each organic phosphorus fractions accounting for total phosphorus was different,the common was that the percentage of moderately labile organic phosphorus accounting for total phosphorus was the highest,moderately labile organic phosphorus was the most important form of organic phosphorus in apple-pear orchard soil of Hunchun city of Korean Autonomous Prefecture of Yanbian.

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