去年,涇县马头林埸同河瀝溪林产化工厂协作,对湿地松进行了一次采脂试验和松脂质量化验。通过实验,证明湿地松可用下降法采脂,且产脂量高,开始采脂年龄早。其松脂质量为1级,含油量高,加工成松香、松节油, Last year, Jingxian Ma Tau Lin 埸 Lixi River Forest Chemical Plant cooperation, conducted a slash pine slashing test and pine resin quality testing. Through experiments, it can be proved that P. elliottii can adopt the descent method to take the fat, and the fat yield is high, and begin to take the fat early. The quality of its turpentine 1, high oil content, processed into rosin, turpentine,