[{"gicategorycode":"林业 ","giinfoid":"334729","giindentifier":"dyx023-/2025-0228002","giuuid":"72F6097D1D4D4EE6BF406C08FA77A88F","gititle":"商品林和公益林是如何划分的?","subcatcode":"政策问答","gitcatcode":"其他 ","giccatcode":"","gipubcodes":"大姚县林草局","gidate":"2025-02-28 10:33:37","gidocno":"","gisubterm":"","gipubcode":"xlcj","summary":"商品林是以生产林产品，发挥最大的林业经济效益为目的的森林，商品林分为一般用材林、薪炭林和经济林三类;公益林是以保护生态环境为主要目的森林，起到水源涵养、水土保持、防风固沙、调节气候等维护生态平衡的作用。公益林分为防护林和特用林两类。"},{"gicategorycode":"林业 ","giinfoid":"334726","giindentifier":"dyx023-/2025-0228001","giuuid":"57DE061686A9432F94BBC97F91A627FF","gititle":"造林后为什么要及时地进行除草、松土等抚育管理?","subcatcode":"政策问答","gitcatcode":"其他 ","giccatcode":"","gipubcodes":"大姚县林草局、","gidate":"2025-02-28 10:32:31","gidocno":"","gisubterm":"","gipubcode":"xlcj","summary":"要使树木健壮生长，就要满足它对水、肥、光、温度、空气等主要生长条件的需要。所以，必须根据幼树生长的需要进行除草、松土、施肥、灌水等必要的管理措施。"},{"gicategorycode":"林业 ","giinfoid":"334032","giindentifier":"dyx023-/2025-0224002","giuuid":"2306F4A949634448A645F0C14840FEA6","gititle":"我国造林技术规程规定，造林成活率要达到多少为合格?","subcatcode":"政策问答","gitcatcode":"其他 ","giccatcode":"","gipubcodes":"大姚县林草局、","gidate":"2025-02-24 16:56:39","gidocno":"","gisubterm":"","gipubcode":"xlcj","summary":"一般常规造林，造林成活率要达到85%以上;营造速生丰产林，造林成活率应达到90%以上。"},{"gicategorycode":"林业 ","giinfoid":"334022","giindentifier":"dyx023-/2025-0224001","giuuid":"22D485D5A04D49099FA9EFB160F63189","gititle":"什么叫无土栽培?","subcatcode":"政策问答","gitcatcode":"其他 ","giccatcode":"","gipubcodes":"大姚县林草局、","gidate":"2025-02-24 16:28:36","gidocno":"","gisubterm":"","gipubcode":"xlcj","summary":"无土栽培是植物的一种特殊栽培方法和研究手段。栽培对不用土壤作介质以支持植物直立生长，而用砂、合成塑料粒、某些多孔的岩石作介质;一般将化学肥料或化学试剂用水配成营养液，以满足植物所需要的无机盐类。无土栽培又分为水培和沙培两种。"},{"gicategorycode":"林业 ","giinfoid":"332199","giindentifier":"dyx023-/2025-0127004","giuuid":"3E4FED47EB24441197BCCB2A144BAA81","gititle":"湿地分为哪五大类?","subcatcode":"政策问答","gitcatcode":"其他 ","giccatcode":"","gipubcodes":"大姚县林草局、","gidate":"2025-01-27 16:15:24","gidocno":"","gisubterm":"","gipubcode":"xlcj","summary":"湿地分为海域，河口，河流，湖泊，人工水面。"},{"gicategorycode":"林业 ","giinfoid":"332198","giindentifier":"dyx023-/2025-0127003","giuuid":"54AC8C7A830749DC8C463C0254777E75","gititle":"湿地的特征有哪些?","subcatcode":"政策问答","gitcatcode":"其他 ","giccatcode":"","gipubcodes":"大姚县林草局、","gidate":"2025-01-27 16:12:34","gidocno":"","gisubterm":"","gipubcode":"xlcj","summary":"(1)至少周期性地以水生植物为植物优势种;(2)底层土主要是湿土;(3)在每年的生长季节，底层有时被水淹没。"}]