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泰州市:DB3212/T 197-2019《通南高沙土地区秋冬萝卜机械化生产技术规程》

2023-11-22 14:54:07 来源:农机网整理发布 阅读量:24926 评论

导读:适用于泰州市通南高沙土地区秋冬萝卜无公害机械化生产,其他同类型地区可以参照。

  【农机网 政策与标准】2019年4月10日,泰州市市场监督管理局批准发布DB3212/T 197-2019《通南高沙土地区秋冬萝卜机械化生产技术规程》,该地方标准自2019年4月10日起开始实施。

  该标准由泰州市农业委员会提出,由泰兴市农业技术推广中心起草。规定了通南高沙土地区秋冬萝卜术语和定义、产地环境要求、机械化栽培技术、收获清洗以及档案记录等。适用于泰州市通南高沙土地区秋冬萝卜无公害机械化生产,其他同类型地区可以参照。
 
  机械化栽培技术——
 
  品种选择:选用抗病、优质高产、抗逆性强、商品性好耐抽薹的大中型白萝卜品种,如CR世农301。种子标准应符合 GB 16715.2。
 
  播种前准备——
 
  耕整:萝卜栽培要求深耕土层,耕翻深度(30-35)cm。较大的萝卜专业生产基地可使用120匹马力以上的拖拉机带动耕整机械,如1GKN-160型旋耕机,耕整后可同时进行旋耕整平。
 
  起垄:用起垄机机械起垄,使用100匹马力以上拖拉机带动启起垄机作业,如DB/H-2000起垄机等,垄底部宽70cm,垄高(35—40)cm ,沟宽30cm。
 
  播种——
 
  播期:在8月25日至9月20日播种。
 
  播种量:每亩用种量(100-130)g。
 
  种子处理:用种子重量 0.4%的 50%百菌清可湿性粉剂拌种后播种。
 
  播种方式:采用萝卜播种机播种如DS~5Z自走型播种机。播种方式为穴播,每垄2行,穴深1.5cm,每穴1粒,播种后覆土1.5cm,然后镇压。高垄双行栽培,株距(16-18)cm,行距30cm。通过数控编织机把种子按要求编制到种袋中,之后将种子带按不同要求播种到地里。一次性完成播种、镇压。
 
  铺滴灌带:垄上每行萝卜铺一行滴灌带,与田头支管接通。滴灌可带采用孔距为17cm,外径为(12-20)cm的贴片式1700系列滴灌带。
 
  苗期管理——
 
  间苗定苗:播种后(5-6)天查苗一次,如有缺棵,及时补种。间苗在真叶(2 -3)片时进行。
 
  水肥管理——
 
  水分管理:幼苗期掌握少浇勤浇,宜浇播后水,拱土水,齐苗水。保持土壤还水量在80%以上。叶生长盛期适当增加供水量,忌水分过大,保持土壤相对含水量在60%以上,在垄沟土壤发白时适当浇水。肉质根膨大期需水量较大,土壤相对含水量宜在80%以上。充分均匀浇水但不能过多,避免土壤忽干忽湿,以免出现裂根、腐烂、糠心等现象。收获前逐渐减少浇水,最后停止浇水。下雨时及时排水,以防止根腐病的发生。
 
  追肥:采用水肥一体化系统进行追肥。追肥时,根据田间情况,结合浇水进行。一般追肥 2 次。第1次追肥在幼苗具有(3-4)片真叶时,随水追氮磷钾 15:15:15 复合肥(5-6)㎏;第 2次追肥在萝卜膨大期,追施以磷钾肥含量较高的复合肥(8-10)㎏。追肥后,直根迅速膨大,不再追肥。
  
  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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