Within the Kanas Nature Reserve, grow pure forest of stone pine as well as mixed forest of stone pine with spruce or stone pine with fir.
喀纳斯自然保护区内，不但有五针松纯林，还有五针松与云杉或冷杉的混交林。
The results indicated that the effect of mixed masson pine and oak forest on soil amelioration was the best, that of grass was the second and the pure masson pine forest was the worst.
结果表明：松栎混交林对土壤的改良效果最好，草地次之，马尾松纯林则较差。
The results indicated that the effect of mixed masson pine and oak forest on soil amelioration was the best, that of grass was the second and the pure masson pine forest was the worst.
结果表明：松栎混交林对土壤的改良效果最好，草地次之，马尾松纯林则较差。
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