Millions of hectares of forest and woodland fell before the newcomers' axes between 1850 and 1890, as intensive European farming methods expanded across the world.
1850年至1890年间，随着欧洲集约化农业方法在世界范围内的推广，数百万公顷的森林和林地被砍伐殆尽。
It included forestry productive level, forest benefits, divided forest species, intensive farming, creating foreign exchange forest, manage system and plantation fund.
包括林业生产水平、森林效益、林种划分、集约经营、创汇林业、管理体制和营林资金七个问题。
The flat land and sparse population and relative lean soil cause forest management to depend on mechanization and intensive cultivation and old-aged harvest system.
土地平整、人口稀少、土壤肥力较低，是该林业公司机械化作业、集约化经营、主伐年龄较大的缘由。
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