“三北”防护林体系建设第二期工程将与我国第七个五年计划同步进行,它标志着防护林建设进入一个新的历史时期。当前正值经济体制改革之际,摆在我们面前的“三北”防护林建设如何适应这一改革,首先是林业生产责任制与“三北”二期工程的投资关系值得进行调查研究,深入探讨。为此,我们对吉林、黑龙江两省部分县进行了实地考察,深感,由于普遍落实了林业政策,建立和健全了林业生产 The second phase of the “Three North” Shelterbelt Construction Program will be carried out simultaneously with the Seventh Five-Year Plan of our country, marking a new historic period for the construction of shelterbelts. At the moment when the reform of the economic system is taking place, how the “Three Norths” construction of shelterbelts before us adapts to this reform is first of all worth investigating and studying the relationship between the responsibility system for forestry production and the investment in the “Three Norths” Phase II project . To this end, we conducted field visits to some counties in Jilin and Heilongjiang provinces. We are deeply concerned that due to the widespread implementation of forestry policies, we have established and perfected forestry production