An-Zhi Ren, Yu-Bao Gao, Wei Wang, Jin-Long Wang and Nian-Xi Zhao. Influence of Nitrogen Fertilizer and Endophyte Infection on Ecophysiological Parameters and Mineral Element Content of Perennial Ryegrass[J]. J Integr Plant Biol, 2009, 51(1): 75-83.
An-Zhi Ren, Yu-Bao Gao, Wei Wang, Jin-Long Wang and Nian-Xi Zhao. Influence of Nitrogen Fertilizer and Endophyte Infection on Ecophysiological Parameters and Mineral Element Content of Perennial Ryegrass[J]. J Integr Plant Biol, 2009, 51(1): 75-83.