摘要
人参从栽培到收获的6年时间内需换床一次,参后地在30~40年内不能重复利用,以免造成严重水土流失。其整地、晒地期由于土地失去了原有植被的保护,管理期间面积占参地20%~25%的作业道要承受整个参地的降水量,参后弃地土质疏散、表土裸露,在这三个不同阶段均需来取相应的水土保持措施,防止水土流失。
The bed of ginseng is changed during 6 years from cultivation to harvest. The land after ginseng is'nt utilized once again in 30-40 years for soil and water loss. The original vegetation protection is losed during soil preparation and sunning land, The all precipitation in ginseng land is beared by work road of 20% -25% of ginseng land during management. The soil of land after ginseng is loose, the surface soil is uncovered, the soil and water conservation measures can be adopted for prevent soil and water loss in three different stages.
出处
《吉林水利》
2002年第1期31-34,共4页
Jilin Water Resources
关键词
人参
栽培
水土保持
可持续利用
降水量
水土流失
防止
work road
ginseng and wood inter-planting
abandoned land after ginseng
soil and water conservation