【摘要】 本文提出的发展三川河流域经济林、提高综合治理经济效益的意见主要是:引进优良果树树种与品种,推广果园覆膜、覆草保水技术,施行果园间作绿肥和根外追肥技术,改造小老树和合理密植等。作者根据试验结果与实践经验,对以上问题进行了较为具体的讨论,将对解决这方面的实际问题起到一定的作用。更多还原

【Abstract】 A set of technical measures aimed to develop economic forest and raise its benefits are presented in this paper as follow- introduction of fine varieties of fruit trees, popularizationof technology of membrane and grass covers for soil conservation, implement of intercrop with green manure crops and fertilization near roots, amelioration of small old trees and proper increasement of density of crops or trees. Relatively .concret discussion is made on the problems above according to the experimental result and practical experi ence .更多还原