我们参观了一个大型的人工林。

We visited a large plantation.

人工林有助于减少土壤侵蚀。

The plantation helps reduce soil erosion.

这片人工林是十年前种植的。

This plantation was planted ten years ago.

他们计划在这里建立一个新的人工林。

They plan to establish a new plantation here.

现在你是一个佃农的谷歌人工林。

Hellip; and now you're a sharecropper on the Google plantation.

经比对，无瓣海桑人工林的生态影响较14年生秋茄人工林的更为显著。

S. apetala plantation has greater ecological effects compared with Kandelia candel plantation (14-year old).

说明红松混交林土壤质量最好，58年生红松人工林土壤质量最差。

Soil quality of mixed forest of Korean pine is the best, and that of 58 year-old Korean pine plantation is the worst.

主要阴离子平均含量均以落叶松人工林溪流水中为最高.

The average monthly content of anions in stream water was the highest under larch plantation.

表明巨桉人工林土壤动物群落优势度明显,分布具有不均匀性.

It indicated that the distribution of soil fauna in Eucalyptus grandis plantation was not even.

研究结果可为杨树人工林的营养管理和地力维护提供依据。

The results would provide primary data for nutrient management and productivity maintenance of poplar plantation.