论文部分内容阅读
兴安落叶松心止现象也有人称为心止病，它是在当年新播苗的幼苗生长期间，由于外界生境条件的影响而发生的一种非病菌性的生理生态现象。为探索兴安落叶松心止现象发生的原因，１９９６和１９９８年在大兴安岭林科所实验基地苗圃进行了试验。１ 试验内容和方法 为了解外界生境
Xingan larch heart stop phenomenon was also known as the heart disease, it is in the seedling growth of new sowing that year, due to the impact of external habitats of a non-pathogenic physiological and ecological phenomenon. In order to explore the reasons for the occurrence of larch in Xing’an, experiments were carried out in nurseries of experimental bases of Linke in Daxinganling in 1996 and 1998. 1 Test content and methods To understand the outside habitat