Morphological and physiological responses of Picea asperata to different nitrogen availability and pH

Soil nitrogen (N) availability and pH are two determinants affecting plant growth, both of which are influenced by long‐term N deposition. However, the physiological mechanism of plants response to the changes in soil N availability and pH are not fully understood. To investigate the response of Picea asperata to both factors, seedlings of P. asperata were exposed to 50 or 1000 µM NH 4 NO 3 with pH 5 or pH 7. In the current study, P. asperata ,...