Study on Nutrient Content Cycle of Different Forest and Grass System in Converting Agricultural Lands to Trees[J]. 2005, (4): 76-79.DOI:
不同林草复合经营模式矿质营养元素相互关系的研究
摘要
林草复合经营模式在目前的退耕还林工程中起着越来越重要的作用
研究林草复合模式的林与草之间的营养元素关系
对矿质养分相互关系的研究为合理搭配林草提供重要依据
以期为退耕还林各模式建立理论基础和科学依据。研究结果显示
3种退耕还林林草模式林、草、土壤养分间存在一定的显著相关关系。
Abstract
Forest and grass ecosystem plays a very important role in converting agricultural lands to forest. This paper makes a preliminary study on grassland and dynamics of nutrient elements about three different forest-grassland pattern around the Sichuan Basin. In order to know about essence of forest and grassland ecosystem and provided theory for forest mixed with grassland.