grazed forest

用法例句

Experiments and investigations were carried out for4years to study the problems and development in grazing forest in Liaoning.

辽东山区的林业和牧业一直是既互相依存又互相矛盾的两个行业 ,混牧林业的提出为解决这一问题提供了科学的依据。

The loss of soil and water is positively correlated with the grazing intensity in grazing forest and the ratio of plot to contrast is 297:10 The spot check.

通过对本溪、丹东两市混牧林的抽样调查表明:牛对幼树的伤害途径主要为践踏和耍角,但通过分析也证明,当落叶松幼林平均高度为2 0m时可进行适度放牧,但伤害指数不能高于50。

As a main part of forest ecosystem exploitation and utilization, grazed forests closely relate to the economic development and the improvement of environment and peasants income in the hilly area.

混牧林业是森林生态系统开发利用的一个重要组成部分。