摘要
中国沙棘人工林发生大面积早衰的现象比较普遍。本文在广泛收集国内外相关文献的基础上,总结出中国沙棘早衰现象的主要成因,包括水分胁迫、病虫危害、密度制约、不合理的造林设计和经营管理等,文中提出了防治中国沙棘早衰的相应对策。
Premature aging is a normal phenomenon in artificial seabuckthorn （Hippophae rhamnoides ssp. sinensis） forest. Based on rich literature both at home and abroad, the paper puts forward and summarizes the causes of premature aging, including water stress,diseases, insect harm, density limita-tion, unreasonable afforestation design and operation as well as management. The countermeasures for prevention and control premature aging has been raised in the paper.
基金
国家自然科学基金(31070551)
关键词
中国沙棘
早衰
现象
成因
对策
Hippophae rhamnoides ssp. sinensis
artificial forest
premature aging
phenomenon
causes
countermeasures
