论文部分内容阅读
赤峰市郊区姜家营子乡是有名的贫困乡,近几年他们对全乡的山、水、田、林、路实行全面规划和种树种草,现在全乡有林面积达19.3万亩,种草1.5万亩。林草业的发展,为这个乡带来了如下变化: 一、控制了水土流失。种树种草后增加了植被,减少了洪峰流量。目前全乡有近18万亩挖山整地造林,可控制约三百多万立方米的水不下山。全乡与河争地8千亩,可扩大水浇地面积1.7万亩。二、减少了地方病
Chifeng City, suburbs of Jiang Jiayingzi is a famous poor township, in recent years they on the township, water, fields, forests and roads to implement a comprehensive planning and planting trees and grass, and now the township has a forest area of 193000 mu Grass 15000 mus. The development of forestry and grass industry has brought the following changes to this township: First, controlling soil and water loss. Increased vegetation after planting tree species reduces the peak flow. At present, there are nearly 180,000 mu digging the whole country afforestation site, can control about 3 million cubic meters of water down the mountain. The township and river fight 8 acres, can expand the irrigated area of 17000 acres. Second, reduce endemic diseases