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10月1日起实施:贵州省丘陵山区宜机化地块整理整治技术规范解读

2022-09-14 10:58:10 来源:农机网整理发布 阅读量:23738 评论

导读:《DB52/T 1675-2022丘陵山区宜机化地块整理整治技术规范》即将于2022年10月1日开始实施。

  【农机网 政策与标准】据《贵州省人民政府关于加快推进农业机械化和农机装备产业发展的实施意见》(黔府发〔2019〕19号)提出到2025年,全省农机总动力稳定在3100万千瓦以上,“宜机化”在500亩以上坝区全覆盖,力争综合机械化率达到55%。水稻综合机械化率达到70%,马铃薯综合机械化率达到40%。
 
  2022年6月23日,贵州省市场监督管理局批准发布了《DB52/T 1675-2022丘陵山区宜机化地块整理整治技术规范》。该标准由贵州省农业农村厅提出并归口,由贵州省农业机械技术推广总站、贵州省山地农业机械研究所起草,该标准规定了丘陵山区土地宜机化整理整治的基本要求、内容及技术要求、流程等技术规范。适用于丘陵山区土地宜机化整理整治。该标准即将于2022年10月1日开始实施。
 
  土地整理整治技术要求:
 
  坝区地块单块长宜≥100 m,宽≥20m,或面积宜>0.20 hm2。
 
  缓坡地块单块长宜≥80 m,宽≥8m,或面积宜>0.13 hm2。
 
  陡坡地块单块长宜≥50 m,宽≥4m,或面积宜>0.07 hm2。
 
  单块旱地纵向坡度≤10%,横向坡度≤3%,土面起伏≤0.05 m;单块水田田面高度差≤0.03 m。
 
  最大挖填高度<2 m。
 
  对直径≥0.15 m 的石块,采取就地埋置处理,埋置深度≥0.5 m;对直径 0.05 m~0.15 m 的石块,采取捡拾或用碎石机进行粉碎,捡拾深度或粉碎深度>0.2 m,耕作层内直径>0.05 m 的石块体积含量<5%。
 
  土地宜机化整理整治后耕作层厚度应≥0.25 m。
 
  对新建和改造的水田犁底层应夯实处理。
 
  田埂设计应按照安全稳定、占地少、工程量小的原则,坡度宜结合田埂材质按照 GB/T 16453.1 中的参考数值选取。田埂材料选取宜因地制宜。若选择素土田埂,应采用粘性较强的生土,逐层压实后修坡,拍打结实;沙土区域可使用编织袋装土构筑田埂或使用石坎加固。
 
  田间道路技术要求:
 
  田间道路应优先结合改造区域内现有田间道路进行布设,新建田间道路尽可能沿山、沿河、沿沟渠布设,合理规划密度,尽量少占耕地和割裂地块。
 
  宜机化整理整治后的区域内,田间道路应与地块连通。
 
  田间道路路基宽度宜≥3.5 m,路面宽度应≥3 m;设置路肩的路段,路肩宽度应≥0.5 m;最大纵坡≤9%。
 
  当田间道路与地块表面高差>0.5 m 时,应设置下地坡道。
 
  当地块无直达田间道路,只能由相邻地块联通供农业机械通行,且相邻地块存在 0.5 m 以上高差时,应设置连接两个地块的下地坡道。
 
  下地坡道宜设在地角,并尽可能避免与边沟交叉,如遇沟渠应埋设涵管。
 
  下地坡道宽度应≥2.5 m,坡降应≤18%,压实度应≥94%,水田下地坡道应做软基处理,转弯半径应满足该区域配套农业机械通行。
 
  田间道路设计行驶速度、材质选取、边沟、错车道、掉头点等设计要求按照 NY/T 2194 执行。
 
  整理整治后,大中型农业机械直接到达地块的通达率为 100%。
 
  可点击下方下载完整标准文件。
 
  注:本文由农机网(www.nongjx.com)整理发布,资料来源:地方标准信息公共服务平台、贵州日报
 
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