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湿地松、火炬松统称国外松,1964年我场开始引种,1974年以来已陆续营造用材林、母树林5,000多亩,生长旺盛,深受群众欢迎。国外松的繁殖目前仍靠进口种子。1974年至今,我场年年承担国外松育苗任务,采用大田播种育苗的方法,培育出来的苗木除本场造林外,还支援了社队绿化。在育苗中,由于不断实践,不断总结,近三年来育苗技术有了显著的提高,无论在产苗数量上还是在苗木质量
Pinus elliottii and Pinus taeda are commonly referred to as foreign pine. In 1964, the field began to be introduced. Since the beginning of 1974, the timber forest has been gradually planted with more than 5,000 mu of mother trees. Its growth is strong and welcomed by the masses. The breeding of foreign pine is still relying on imported seeds. From 1974 till now, I undertook the task of foreign pine seedlings year after year. By adopting the method of field planting and nursery seedlings, the nursery stock cultivated in addition to the afforestation in this field, also supported the afforestation afforestation. In nursery, due to continuous practice, continue to sum up, the past three years, seedling technology has been significantly improved, both in the number of seedlings or seedling quality