用材林、经济林、薪炭林的林地使用权；

The woodland use right for timber stands, economic forests and firewood forests;

退耕还经济林的效益值最大，生态效益以还混交林为最好。

The best efficiency is economic forest, the best zoology efficiency is mixed forest.

枣树是我国重要的经济林树种之一，在我国大部分地区广泛种植。

Zizyphus jujube, as one of the important economic trees, is planted widely in china.

其中很大一部分（85％）来自于板栗、银杏、竹子等经济林，其余来自非农业就业。

Most of that increase (85 percent) came from the products of ‘economic’ trees like chestnut, ginkgo and bamboo while the remainder came from off-farm employment.