Soil Properties and the Abundace of Ironwood (Eusideroxylon zwageri Teijsm.& Binn.) Varieties in Jambi, Indonesia
Abstract: Two series of a
study on the correlation between soil properties and distribution of ironwood
(Eusideroxylon zwageri Teijsm.& Binn.) varieties had been conducted in
Senami, a natural forest stand, Jambi, Indonesia. The first was using purposive
random sampling. The samples were taken from the locations where the E. zwageri
varieties naturally grow in the depth of 0–30 cm and 30–60 cm. The number of
composite samples was 18 which were analyzed for chemical soil properties. The
second study was conducted using systematic sampling where 64 soil cores were
collected from 3 different soil depths namely 0–20 cm, 20–40 cm, and 40–60 cm.
The physical soil properties were analyzed from the 64 soil samples. The
research results revealed that the drainage among E. zwageri varieties varied
from poor conditions to moderate, while the bulk density was slightly
different, from very low to low. The results also show that E. zwageri
varieties are able to grow in almost any soil textures. There is no specific
correlation between chemical soil properties and distribution of E. zwageri
varieties. All varieties grow at almost the same condition of chemical soil
properties except var. grandis.
Author: Bambang Irawan
Journal Code: jpkehutanangg150021
