同时对落叶松-龙牙葱木这一混交模式的经济效益进行了分析。
Meanwhile, the economic benefit of the mixed pattern of l. Gmelinii and A. elate was analysed.
下坡段的乔灌混交模式防治坡面侵蚀的作用优于上坡段的草本和灌木；
The effects of mixed tree and shrub in the downhill section were better than those of the herbs and shrubs.
结果表明：这一混交模式可以大大提高经济效益，使林地利用率得到显著提高，是值得在黑龙江东部山区推广的混交模式。
Result showed that the mixed pattern can increase the economic benefit and significantly improve land utilization, which can be popularized in the eastern mountain areas of Heilongjiang Province.
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