经营林木具有漫长的生长期和投资回收期,有人说它是“劣势产业”,永远竞争不过第二、三产业。可是在江苏里下河地区,他们因地制宜与农作物、渔类、菜蔬等间种、套种、混种(养),建立起以林为主的复合经营系统,不仅改变了里下河地区滩地、沼泽环境,充分利用了土地、时间、空间,综合经 Trees have a long period of growth and investment recovery period, some people say that it is “a disadvantaged industry”, but never compete for the second and third industries. However, in the Lixiahe River area of ​​Jiangsu Province, they established inter-forest mixed management systems based on the local conditions with crops, fisheries, vegetables and other intercropping, interplanting and intercropping. This not only changed the land and swamps in the Lixiahe area Environment, make full use of the land, time, space, integrated by