防护林带来的效益文／王君义地处河北省丰润县西部的新军屯镇，１９８９年在原来零星树的基础上，大力营造农田防护林，到１９９０年全镇建成以原有道路为骨架的防护林体系，有林地面积达到１４１公顷，使全镇农田全部得到庇护。随着林木的生长，林木的生态效益、经济效益... Welfare Benefit from Shelterbelt / Wang Junyi Located in Xinjun Tun Town in the western part of Fengrun County in Hebei Province, on the basis of the original scattered trees in 1989, the shelterbelts for farmland protection were energetically constructed. By 1990, the shelterbelts based on the original roads were built in the town System, a forest area of ​​141 hectares, so that all the farmland to be sheltered. With the growth of trees, the ecological benefits of trees, economic benefits ...