In terms of source-sinkrelationship in soil resources, the resource island under shrub patches acts as a sink for soil resources in the thicketization of grasslands.
从草原灌丛化过程中灌丛内外土壤资源源-汇关系，说明灌丛资源岛作为土壤资源的汇而发生作用。
2
The source-sinkrelationship of dry matter accumulation exists among corm, the first grade cormels and the second cormels.
球茎发育过程中，各级球茎干物质积累存在库源关系。
3
The grain-leaf area ratio was a quantitative expressing way to evaluate the coordinative level of source-sinkrelationship and was taken as a comprehensive index to select the variety of high yield.