Study On The Special Property Of Salt Accumulation Of Populus Popular's Farm Field Protection Forest Of Hetao-irrigated District

The paper quantitative analysis the salt content and their season variation regularity of different parts of different forestation way of Populus popular' s farm field protection forest. The result showed as follow: 1.The different forestation way of planting and sprout seedling Populus popular's have the same regularity of salt accumulation; the content sequence is leaf higher than a year branch than root than heartwood than many year branches than sapwood in each month .2. The influence of forestation way on the salt content of Populus popular's aren't marked.3.They have the same regularity of the salt content of Populus popular's and the movement of underground water.4. They are different of the forestation way and transpiration and the salt content that of transpiration, but the salt content of Populus popular's are't marked .So planting is benefit to reducing the soil salt accumulation.