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1974年1月,农林部从危地马拉引进一批加勒比松,为洪都拉斯变种Pinus caribaeavar. hondurensis。经我所试种,现8年生平均高达10.3米,胸径19.7厘米,冠幅4米,单株立木材积0.1585立方米。其高度、胸径、材积等生长量均为在同样立地条件下营造的、同林龄的湿地松Pinus elliottii Engelm.、南亚松(海南松)Pinus finlaysoniana Wall. ex B1.的2倍以上,可见其生长之快。现将引种情况介绍如下: 一、引种立地条件林地位于东经109°56′,北纬19°06′的琼中与屯昌两县交界处,属热带气候特性,年平均温度23.4℃,1月平均14.8℃,7月平均
In January 1974, the Ministry of Agriculture and Forestry introduced a group of Pinus caribaeavar. Hondurensis from Guatemala. After my trial, now 8-year-old averaged up to 10.3 meters, 19.7 cm in diameter, crown width of 4 meters, 0.1585 cubic meters per plant standing timber. Its height, DBH and volume were all more than twice that of Pinus elliottii Engelm. And Pinus finlaysoniana Wall. Ex B1. In the same stand age Grow fast. The introduction of the introduction is as follows: First, the introduction site conditions Woodland is located east longitude 109 ° 56 ’latitude 19 ° 06’ at the junction of Qiongzhong and Tunchang counties, is a tropical climate characteristics, the average annual temperature of 23.4 ℃, the average January 14.8 ℃, July average