[Responses of leaf nutrient resorption in marsh plants to shrub encroachment in Sanjiang Plain, China]
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Based on the coverage of the shrub Spiraea salicifolia (0-100%) in the Sanjiang Plain, we examined the responses of nitrogen (N), phosphorus (P), and potassium (K) content, as well as nutrient resorption efficiency in the mature and senescent leaves of three d... ...