두중(杜仲) 삽목(揷木)에 관한 연구(硏究)(I) -삽토(揷土)종류가 발근(發根)에 미치는 영향(影響)-

A Study on the Cutting of Eucommia ulmoides $O_{LIV.}$ (I) -Effects of the Bed Soil on Rooting-

The purpose of the study is to investigate the possibility of cutting of Eucommia ulmoides $O_{LIV}.$ (Eucomiaceae) by using various soils in Korea. Four different kinds of soil, such as sand, red cray, red cray plus sand and Masa soil, were used in the investigation. It was found that total length, number and rate of rooting were most prominent in the cutting cultivated in Masa soil.