TY - Bulletin of Botanical Research A1 - Zhuangyue LU, Zhenxin YANG, Chaofan ZHENG, Xi LUO, Nianhui CAI, Yulan XU T1 - Effects of Combined Application of N and P on Stoichiometric Ratio of N, P and K of Pinus yunnanensis Seedlings after Stumping Y1 - 2023-03-20 JF - Bulletin of Botanical Research JO - Bulletin of Botanical Research SP - 218 EP - 230 VL - 43 IS - 2 UR - https://bbr.nefu.edu.cn N1 - 10.7525/j.issn.1673-5102.2023.02.007 ER -