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山核桃产业已经成为临安农村经济的一个主导产业,是当地农民增收致富的主要渠道,然而由于当地农民不合理的农业开发及生产方式,随之带来的林下水土流失问题日益加剧,制约了山核桃产业的可持续发展。针对临安市山核桃林下的水土流失问题,回顾近几年的治理工作经验,提出了坡面立体治理模式,即:坡面上部封育治理,禁止新造山核桃林;坡面中下部布设小型蓄排水工程、种草、株干围栏等治理措施;坡面底部沟道布设拦沙措施。目前来看该模式取得了较好的治理效果,不仅方便了当地农民的农作,而且也大大减少了水土流失。
Hickory industry has become a leading industry in Lin’an rural economy and is the main channel for local peasants to increase their income. However, due to the unreasonable agricultural development and production methods of local peasants, the consequent problems of soil and water loss under forests are aggravated and restricted Hickory industry sustainable development. Aiming at the problem of soil and water loss under the perennial forest in Lin’an City, and reviewing the management experience in recent years, this paper proposes a three-dimensional slope management model, namely: Storage and drainage projects, planting grass, dry fence and other control measures; the bottom of the channel laid channeling sand measures. At present, the model has achieved good governance effects, which not only facilitate the farming of local peasants, but also greatly reduce soil and water loss.