Available N, P. K, Ca, Zn, Mn contents in rbinispberic soil under artificial pure korean pine forest were lower than those under nalinul korean pine forest aix!
英
美
- 天然林红松针叶含K、Ca、Mg、Zn、Fe、Mn等元素较丰富,人工纯林和人工混交林红松针叶含量相对较少; 人工纯林红松叶含N、P、Cu等元素较多。