    
 
                                                                                                 25℃                                                                                     200~500mm                500mm                                                                                                                                                                                    150~160                                                                                                              10~20m                                                                                                                                                     栅栏组织       海绵组织                                                                                                                                          光周期效应                                                  1973   6    27                 6    30         68       8        12.7%   7                                                                                               pH   6.5~9.5             1.1%                0.6%                              0.6%                                       50cm     0~20cm         5%                  0.6%                                                                                    根瘤菌            弗兰 克氏内生菌   Frankia sp           放线菌                       -                                                                                                               6              47.2%     1.8          3        77.9%                                                                                       1990                                                                            草炭土                                                                                 8~15                         6                                                                                                      
 
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