1. Turfy not too fine, pearlite grain diameter 3 - 4 millimeter, vermiculite grain diameter 3 - 5 millimeter are idealer.

2. This article takes turfy soil in the eastern part of Jilin as the study subject, analyzing the geologic features of turfy soil on the basis of laboratory experiments.

3. Commonly used matrix has turfy earth, coconut tree branny, pearlite , vermiculite, mix commonly use.

4. The mixture of sand and soil (2:1) is the best cutting substrate, with a survival rate of 81.3%, while as to height growth of cutting wood, the mixture of turfy and soil (1:1) is the best.

5. The organic content is the main factor of the physical and mechanical properties of turfy soil.