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河北省DB13/T 5598-2022《水稻机插田化肥农药减施增效技术规程》解读

2023-06-28 11:45:04 来源:农机网整理发布 阅读量:13196 评论

导读:该标准规定了水稻机插田化肥农药减施增效技术的品种选择、种子处理、秧田管理、本田管理等技术。适用于水稻机插田化肥农药减施生产。

  【农机网 政策与标准】2022年7月11日,河北省市场监督管理局批准发布DB13/T 5598-2022《水稻机插田化肥农药减施增效技术规程》,该地方标准自2022年8月11日开始实施。
 
  该标准由由河北省农业农村厅提出,由河北省农林科学院滨海农业研究所、唐山久发农业科技有限公司、河北省良牛农业科技有限公司、滦南县华圃水稻种植园区起草。
 

  该标准规定了水稻机插田化肥农药减施增效技术的品种选择、种子处理、秧田管理、本田管理等技术。适用于水稻机插田化肥农药减施生产。
 
  【本田管理】
 
  秸秆还田:水稻秸秆随机收粉碎全量还田,秸秆还田按DB13/T 2985的规定执行。
 
  施肥——
 
  肥料选择:肥料使用符合NY/T 496的规定,化学肥料使用环境安全应符合HJ 555的规定。有机肥料质量符合NY/T 525的规定,生物有机肥质量应符合NY 884的规定,有机-无机复混肥料质量应符合GB/T 18877 的规定,控释肥料质量应符合HG/T 4215的规定,缓释肥料质量应符合GB/T 23348的规定,硅肥质量应符合NY/T 797的规定。
 
  施肥原则:采用秸秆还田、有机肥、生物肥及控(缓)释肥替代为主的减肥措施,结合施用硅肥、减少排水等方法,依据土壤肥力和品种及产量水平,合理控制氮、磷、钾肥施用量。在减施化肥20%条件下, 实现不减产原则。
 
  施肥方法——
 
  基肥:随耙地亩施控(缓)释肥 40 kg,或随水稻侧深施肥插秧一体化技术,亩施控(缓)释肥 30kg。缺氮稻区选用高氮控(缓)释肥,缺钾稻区选用高钾控(缓)释肥。施肥后堵好灌排水系统,禁止排水。有条件的在深耕前亩施腐熟农家肥 1500 kg,或商品(生物)有机肥 200 kg,按照其施用量和含量折算后,减施化肥中控(缓)释肥及追肥中化肥施用量。
 
  蘖肥:缓苗后,亩施入尿素5.0 kg(或硫酸铵 10.0 kg)+40%硅肥5.0kg(秸秆还田地块免施);第1 次蘖肥施用后7 d、14 d 左右,分别亩施尿素 7.5 kg(或硫酸铵 15.0 kg)。
 
  穗肥:主茎幼穗长到1.0 mm~2.0 mm 时,亩施复合肥(N-P2O5-K2O=15-15-15)7.5kg。
 
  病虫草害防控——
 
  药剂选择:防治药剂应符合GB/T 8321、NY/T 1276的有关规定。
 
  防控原则:本着“减药不减效,绿色环保、长效节支”的防控原则,以选用抗病虫品种为主,优先采用物理、生物防治措施,辅助化学防治措施。
 
  杂草防控——
 
  插前封闭或插后封闭除草采用以下方法进行:
 
  ——插前封闭的,在插秧前7 d,亩施40%丙草胺·苄嘧磺隆可分散油悬浮剂 80 ml~100ml,或68%吡嘧磺隆·苯噻酰水分散粒剂100 g~120g。
 
  ——插后封闭的,在插秧后 7 d~10 d,亩施 53%苯噻酰草胺·苄嘧磺隆可湿性粉剂 80 g~120 g, 或 19%氟酮磺草胺悬浮剂12.5 ml~15 ml,或68%吡嘧磺隆·苯噻酰草胺水分散粒剂100g~120 g。
 
  ——施药后,田面保持5cm~7cm 水层5d~7d。
 
  封闭效果差或封闭无法防除的杂草采用以下方法进行:
 
  ——扁杆藨草群落亩施 48%灭草松水剂 150 g~200 g,或 5%五氟磺草胺可分散油悬浮剂75ml;
 
  ——大龄稗草+扁杆藨草群落亩施 19%氟酮磺草胺悬浮剂12.5 ml~15 ml,或18%五氟磺草胺+氰氟草酯可分散油悬浮剂80 ml~100 ml,或 2.5%五氟磺草胺乳油 50 ml~120 ml+10%氰氟草酯乳油60 ml~100 ml;
 
  ——水绵+水生杂草群落亩施 25%西草净可湿性粉剂 125 g,无露水后拌湿润细沙或土撒施;
 
  ——单一水绵,优先采用排水落干和生物制剂防治。
 
  ——施药后,田面保持 5cm~7cm 水层5 d~7d。
 
  虫害防控——
 
  稻水象甲:亩施 25%噻虫嗪水分散粒剂 40 g~45 g。
 
  二化螟:
 
  物理方法:5月中旬亩安装性引诱剂装 1个,诱杀1代二化螟,7月初更换药芯 1次,诱杀2代二化螟。
 
  化学方法:6月25日左右和8月1日左右各防治1次,亩施40%氯虫·噻虫嗪水分散颗粒剂8g,或 20%氟苯虫酰胺悬乳剂20ml,或20%氯虫苯甲酰胺悬乳剂 5 g~10g。
 
  稻飞虱:亩施 25%吡蚜酮可湿性粉剂20 g~30 g。
 
  其它虫类:亩施20%氯虫苯甲酰胺悬乳剂5 ml~7.5 ml。
 
  点击下方下载完整标准文本。
 
  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。
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