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广西百色市农业产业宜机化工作探索

2020-09-07 09:10:27 来源:农机网广西百色市农机服务中心 阅读量:19983 评论

导读:百色市,位于广西壮族自治区西部,右江上游。地形为南北高中间低,地势走向由西北向东南倾斜,总面积3.62万平方公里,山区占95.4%(石山占30%,土山占65.4%),丘陵、平原仅占4.6%,属于典型的山区。百色市因地制宜,根据不同地形条件结合多部门力量开展了农业产业宜机化工作,取得了良好成效。

  【农机网 地方农机】 百色市,位于广西壮族自治区西部,右江上游。地形为南北高中间低,地势走向由西北向东南倾斜,总面积3.62万平方公里,山区占95.4%(石山占30%,土山占65.4%),丘陵、平原仅占4.6%,属于典型的山区。百色市因地制宜,根据不同地形条件结合多部门力量开展了农业产业宜机化工作,取得了良好成效。
 
  一、水田条田宜机化建设
 
  近年来百色市以农业部门牵头开展高标准农田建设共121万亩,实现了水田宜机化技术的大规模推广应用,推动了水稻生产机械化发展进程,2019年百色市水稻生产机械化水平达76%。
 
  主要做法:
 
  (一)地块互联互通:通过开挖回填土壤等工程措施,修建地块进出坡道、完善田间道路,实现相邻地块之间、地块与道路之间衔接顺畅,满足大中型农业机械进出地块需要。
 
  (二)消除作业死角:对尖角、弯月形等影响农业机械作业的异形地块,进行开挖回填、截弯取直等整理,消除地面和耕层内影响机收作业的石块及其他障碍物,满足大中型农业机械作业要求。
 
  (三)优化地块布局:地块小并大、短并长、弯变直,实现以条带状分布为主,延长机械作业线路,减少机械折返频次。
 
  (四)合理布局沟渠:根据改造后的地块坡向和其他相邻地块雨水排泄流向,合理布局沟渠,兼顾农业机械通行需要,深开主沟、背沟和围沟,少开或浅开厢沟和支沟。
 
  (五)土壤培肥熟化:地块改造前后,对土壤表土层进行剥离和回填。通过秸秆还田、绿肥种植、粪肥施用等生态培肥方式,结合深松、旋耕等机械化措施,培肥熟化土壤,提升地力。
 
  二、丘陵地区宜机化建设
 
  主要集中在坡度15°以下的缓坡即“双高”糖料蔗基地的建设。目前全市“双高”糖料蔗基地共6.75万亩,近年来,随着土地流转加速推进,集约化和规模化经营逐步形成,农业经济得到优化发展,且“双高”糖料蔗基地补贴政策力度较大,促进了宜机化的发展,也为农机具市场提供了发展空间,推动了糖料蔗生产机械的购买及应用。
 
  “双高”糖料蔗基地宜机化建设内容:包括小块并大块、合理规划建设机耕道、合理设置给排水设施、推坡降坡、填沟平塘、捡石碎石、移除树根等障碍物、平整蔗地等。
 
  宜机化建设后达到:
 
  (一)地块:改造连片区域面积达到50亩以上,没有出露石芽、树根、水泥墩柱等影响农业机械作业的障碍物。
 
  (二)田间道路:田间主干道宽度4米以上,采用泥结石路面,田间道路满足农机作业地头回转及糖料蔗运输车辆行走要求;道路能充分满足雨季排水需求。
 
  (三)水利设施:输水干管、配水管网工程及喷头、滴灌带滴灌管、微灌带,水沟、水渠等田间水利设施适应全程机械化作业需要,不出现阻碍机械化作业的情况。
 
  2019/2020榨季,百色市“双高”基地机耕采用大型拖拉机配套三铧犁、旋耕机开展耕、整地作业,完成机耕面积15930亩,机耕率为100%;机种采用大型拖拉机配套甘蔗联合种植机开展机械化种植,完成机械化种植15930亩,机种率为100%;收获环节采用大型切断式糖料蔗联合收获机进行机械化作业,完成机械化收获827亩,2019/2020榨季全市“双高”糖料蔗基地综合机械化率达70.4%。
 
  三、山区宜机化改造
 
  除了少量的丘陵、平地外,百色市更多的地形是山区。近年来,百色市根据自身地形特点,不断发展芒果、柑橘、油茶、茶叶、猕猴桃等山区优势特色产业,以芒果产业为例:百色市是全国重点芒果生产基地之一,据2019年统计,全市芒果种植面积约130万亩,产量约60多万吨,产值近39亿元,是农民增收的支柱产业之一。而百色市大部分芒果种植于山区,存在机耕道路不畅、机械作业难、运输难等机械化作业瓶颈,进而放大了芒果生产用工难、成本高、经济效益低、核心竞争力弱等问题,这也是百色市山区优势特色产业发展遇到的问题。
 
  为充分发挥区位优势和资源优势,促进丘陵山区优势特色产业提质增效,推动丘陵山区优势特色产业转型升级,为乡村振兴提供有力支撑, 自2018年开始,百色市通过自治区农机服务中心的优势特色产业项目对当地丘陵山区宜机化工作进行了探索,以提升丘陵山区优势特色产业机械作业水平。总结出一个适合山区地形的宜机化案列。
 
  (一)宜机化项目名称及其规模。百色市田阳区20万亩生态扶贫产业核心示范区山区宜机化建设项目。项目累计投资260万元(其中业主自筹96万元,财政资金164万元)建设面积1000亩。
 
  (二)宜机化建设标准。机耕道路宽度应在3.5米以上,路面平整无明显坑洼,基本满足中小型农用车辆通行需要;山地平缓地带梯带出入口宽度在1.3米以上 ,坡度不大于 15°,梯带条田地面应较平整;坡度较大的梯带条田出入口宽度在1米以上 ,坡度不大于 25°,梯带条田地面无明显坑洼,可顺畅通行小型农机作业机械,机具通行宽度在1米以上。
 
  (三)宜机化改造内容。
 
  1、机耕道路建设。采用购买服务方式,使用挖掘机械进行机耕道路建设,解决机耕道路不畅通的问题。
 
  机耕道路建设前后对比
 
  2、条形梯田机械建设。对条田梯带作业面宽度不足、路面坑洼不平,不适合农机进入作业的条田梯带进行宜机化改造,解决机械进入各条形梯田开展作业问题。
 
  条形梯田机械建设前后对比
 
  3、优化布局、做好互联互通,对梯带机具作业面上影响连续作业的农业设施(轨道运输机、水肥一体化设施等)进行处理,尽量延伸农机作业线路,保障农机具在梯带上的连续作业的通行需求。对横于梯带路面上的轨道运输线进行探索建设,将轨道沉降与路面平齐。
 
  4、梯带条田出入口和路网改造。根据梯带条田实际情况对各梯带进行宜机化建设,实现条田与耕作道、耕作道与外部路网互联互通,满足小型农业机械作业和进出通行需要。
 
  (四)宜机化效果。通过示范基地宜机化改造,进一步提高丘陵山区优势特色产业生产机械化水平,通过“以机换人”,每年减少人工投入1/4以上,节省人工费用约70万元以上,进一步减少劳动力投入、降低生产成本、提高丘陵山区优势特色产业产量和品质,促进优质高产增收,助力丘陵山区优势特色产业发展,以产业发展助推乡村振兴。
 
  四、陡坡山地产业生产机械化推广
 
  除了以上地形外,百色市还有半数以上特色产业种植在陡坡山地,我农机部门为使这部分陡坡山地产业能够实现生产机械化作业,近年来利用农机购置补贴政策红利,大力推广适合丘陵山区的单轨运输机,解决丘陵山区特别是山区运输的难题,取得了良好成效。单轨运输机体积小、质量轻,易于搬移,占地面积小,安装简单、安全性能高,操作简单,相比普通的运输方式,不需要单独开辟专用运输道路,大幅度降低投入成本并节约土地资源。
 
  在一年多的实施时间,百色市已安装2000多台单轨运输机,涵盖了芒果、柑橘、火龙果、百香果、油茶、茶叶、杨梅、西红柿、甘蔗等产业。根据使用效果看,节本增效降低劳动强度非常明显:每台轨道运输机可运输200公斤的物资,45°坡度内能保持一定的匀速行驶,效率是人工运输的20倍以上,减少人工投入1/4以上,节省用工成本90元/吨。
 
  五、宜机化改造的困难和问题及其对策
 
  (一)困难和问题
 
  1.百色市山地地形占比高,导致宜机化改造投资比平原、丘陵地区更多,财政压力较大。
 
  2.地势较陡峭的山区通过坡改梯实现宜机化建设,会导致水土大量流失。
 
  3.受传统思想约束,还存在部分农户不愿意推平田埂,土地整治小块并大块工作受阻,水田条田宜机化建设工作推动难度大。
 
  4.因百色市糖料蔗种植业经济效益偏低,导致除使用财政资金扶持建设的“双高”糖料蔗基地外,其他糖料蔗种植基地业主无自发开展宜机化改造工作的意愿。
 
  (二)对策
 
  1.建议政府出台相应的政策支持丘陵山区标准宜机化建设,政府财政资金向丘陵地区宜机化建设项目倾斜,设立丘陵山区宜机化改造财政专项,大力支持丘陵山区开展宜机化改造。
 
  2.在地势较陡峭的山区建议加大推广安装轨道运输机,进一步解决山区特色产业运输问题及坡改梯导致水土流失问题。
 
  3.完善农机作业需求与土地宜机化改造建设配套政策措施,并做好农业机械化生产作业优势宣传,召开现场培训会让农民群众充分认识到宜机化改造的好处。
 
  4.大力推行糖料蔗作业补贴政策,减轻糖料蔗业主生产成本、增加生产收益,同时解决土地集约化经营问题,扩大、提升土地宜机化整治面积和质量,引导业主自主开展宜机化改造建设。
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