栗园套种紫穗槐的生态经济效益分析

Ecologically Economic Benefit Analysis on False Indigo of Interplanting in Chestnut Orchard

在辽宁丹东栗园进行了紫穗槐套种,并对其生态经济效益进行了研究,结果表明:栗园套种紫穗槐可以明显提高土壤含氮量,三年中提高幅度为17．3％;明显减少地表土壤流失,三年中减少幅度为38．9％;对地表径流有明显的降低作用,明显地改善了栗园的生态环境。

False indigo of interplanting in chestnut orchard can greatly increase nitrogen content of soils, 17.3% up within three years,greatly decrease surface loss of soils, 38.9% down within three years, which can greatly decrease surface runoff,remarktably improve ecological environment of chestnut orchard ,what＇s more,raise economic benefit 450 yuan per hacre.