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甘肃省关于设施蔬菜、玉米、马铃薯机械化生产技术指导意见的通知

2020-02-14 09:41:18 来源:甘肃省农业农村厅 阅读量:17029 评论

导读:当前,是冬季设施蔬菜生产管理和春季蔬菜育苗的关键时期,为做好蔬菜生产机械化技术服务工作,指导菜农科学应对复杂多变的天气情况,及时解决生产中遇到的机械化技术难题,现提出如下技术指导意见,供生产者参考。

  【农机网 通知公告】 各市(州)农业农村局、兰州新区农林水务局:
 
  为了贯彻落实全省农业农村系统应对新型冠状病毒感染的肺炎疫情暨春耕备耕工作视频会议精神,切实做好春耕生产机械化技术指导工作,我们制定了《设施蔬菜机械化生产技术指导意见》《玉米机械化播种生产技术指导意见》和《马铃薯机械化播种生产技术指导意见》,现印发你们,请结合实际组织指导生产。
 
  甘肃省农业农村厅
 
  2020年2月7日
 
  附件1:
 
设施蔬菜机械化生产技术指导意见
 
  当前,是冬季设施蔬菜生产管理和春季蔬菜育苗的关键时期,为做好蔬菜生产机械化技术服务工作,指导菜农科学应对复杂多变的天气情况,及时解决生产中遇到的机械化技术难题,现提出如下技术指导意见,供生产者参考。
 
  一、积极应对天气危害
 
  去年入冬以来,我省降雪天气总体较多,目前已进入冬春过渡期,极寒、雨雪、阴天和大风等不利天气还时有发生,要密切关注天气变化,提前做好防御措施,保障蔬菜正常生产。
 
  (一)寒冷天气。寒冷天气应及时通过覆盖多层保温被(膜)、双层或多层膜覆盖或在棚内再覆盖二层膜等方式增加保温性能。如遇极寒天气,应积极利用地暖、电加热,应用浴霸和自动热风机等设备进行增温。同时要保障卷帘机正常运转,上午见光卷起保温被,以增加棚内散射光照,下午早盖保温被,大限度地利用光能升温和蓄热。
 
  (二)降雪天气。降雪后应尽快清除棚膜上的积雪,防止雨雪将外保温覆盖物浸湿,无法卷起等情况发生。有条件的地方应在降雪前在棚面加盖防雪膜,以利于清雪和保温。连续降雪发生时,要及时清雪和进行设施加固处理,以防止积雪压塌温室温棚。同时开启补光灯增加光照,采取增温措施提升棚内温度,保证蔬菜正常生长。
 
  (三)连续阴天。阴天条件下,应减少棚室内放风次数,降低保温被的卷起高度,大程度的减少棚室内温度的散失,有条件的生产者,可采用补光灯进行补光,保证每天的光照时间在10小时以上。同时应减少水肥供给,降低植物生长速率,避免出现徒长苗。另外要根据室内温度和适度等情况喷施药剂,防止低温高湿条件下产生的病虫害,及时清理老叶、病叶,合理整枝打叉,及时采摘成熟的果实,植株长势太弱可暂不留果。
 
  (四)大风天气。保温被两端和中部加装固定钢索,防止大风将保温被吹起,尤其是要注意白天保温被卷到温室顶端时的固定。加固压膜绳(带),减少压膜绳(带)与棚膜之间的摩擦,防止棚膜被摩擦开裂。
 
  二、加强设施蔬菜生产管理
 
  (一)环境调控。加强设施蔬菜相关设备的检修和养护,确保能正常使用。结合天气变化,及时调节温室内环境,确保温度、湿度、光照等条件能够满足蔬菜生产需要。
 
  (二)肥水管理。根据各类温室建设特点,结合天气变化和蔬菜长势,科学进行肥水管理。采用水肥一体化或滴灌技术的,要按照需要及时进行追肥浇水,保持合理的空气湿度和土壤湿度。
 
  (三)病虫害防治。加大综合预防防控力度。适当提高棚室温度并及时通风排湿。当病害发生必须防治时,尽量采用粉尘法和常温烟雾机、热力烟雾机、弥粉机等施药器械开展施药。
 
  (四)果实运输。蔬菜采摘运输过程,劳动强度大, 针对目前农村劳动力不足的情况,建议充分利用轨道运输车、小型电动车等设备,减轻工人劳动强度,提高劳动效率。
 
  附件2:
 
玉米机械化播种生产技术指导意见
 
  为做好玉米耕整地和播种时期技术服务工作,指导农民及时解决玉米生产中遇到的机械化技术难题,根据近期玉米春耕备耕形势需要,现提出如下技术指导意见,供生产者参考。
 
  一、积极做好农机具检修和采购工作
 
  根据玉米种植中整地和播种需要,认真做好深松整地机、翻转犁、撒肥机、起垄覆膜机和播种机等农机具的检修和保养工作,确保机具工作性能良好,能满足玉米耕整地和播种需要。根据种植需要,及时咨询和联系有关生产厂家和当地农机管理部门,做好相关机具的采购工作,以满足玉米耕整地和播种工作需要。
 
  二、认真开展耕整地和顶凌覆膜工作
 
  根据农时和农事需要,及时做好玉米播前整地和起垄覆膜工作。一要及时做好前茬地块秸秆、废膜的清理工作。二要及时做好农家肥、有机肥和化肥等基肥的使用工作,推荐采用撒肥机等机具作业,减少辅助用工。三要及时做好深松(翻耕)灭茬整地作业,推荐采用深松整地等多功能联合作业机具开展作业,深松深度以打破犁底层为原则,要求达到25cm以上。四要根据降雨量需要,做好顶凌覆膜工作。秋季整地质量好的地块,春季尽量不耕翻,直接起垄覆膜,秋季整地质量差的地块,覆膜前要浅耕,平整地表,有条件的地区可采用旋耕机旋耕,做到地表应平整,无秸秆残茬,土壤上松下喧、耕层绵软、土地细碎,便于机械铺膜或播种作业。覆膜应选用厚度大于0.01mm、适合要求宽度的地膜。推荐采用起垄覆膜联合作业机作业,尽量统一宽窄行距;覆膜机应能打渗水孔,以便垄沟的集雨入渗。
 
  三、适期开展机械播种,保证作业质量
 
  适时播种是保证出苗整齐度的重要措施,当气温稳定通过10℃,土壤含水率14%左右时,即可进行播种。各地可结合当地气候特点确定播种时间。一要保证播种密度。应按照当地的玉米品种特性、种植模式、降雨条件,土壤肥力状况、选定合适的播量,保证亩株数符合农艺要求。二要尽量采用机械化精量播种技术,要求单粒率≥85%,空穴率<5%,伤种率≤1.5%;播深一般为3~5cm,误差不大于1cm;株距合格率≥80%;种肥应施在种子下方或侧下方,与种子相隔5㎝以上,且肥条均匀连续;苗带直线性好,种子左右偏差不大于4cm,以便于田间管理。
 
  附件3:
 
马铃薯机械化播种生产技术指导意见
 
  为做好马铃薯耕整地和播种时期技术服务工作,指导农民及时解决马铃薯生产中遇到的机械化技术难题,根据马铃薯春耕备耕形势需要,现提出如下技术指导意见,供生产者参考。
 
  一、做好农机具检修和采购工作
 
  根据马铃薯种植中整地和播种需要,认真做好深松整地机、翻转犁、旋耕机、撒肥机、起垄覆膜机、播种机、覆土机等农机具的检修和保养工作,确保机具工作性能良好,能满足马铃薯耕整地和播种需要。根据种植需要,及时咨询和联系有关生产厂家和当地农机部门,做好相关机具的采购工作,以满足马铃薯耕整地和播种工作需要。
 
  二、认真开展耕整地和顶凌覆膜工作
 
  根据农时和农事需要,及时做好马铃薯播前整地和起垄覆膜工作。
 
  (一)茬口选择。选择地势平坦、便于机械化作业的平原、塬地、川地和梯田地作业。前茬作物以麦类、豆类作物为好,其次是胡麻、玉米茬,忌重茬和压茬作业,同时要合理轮作,以减少病虫害。
 
  (二)施足基肥。做好农家肥、有机肥和化肥等基肥的使用工作,推荐采用撒肥机等机具作业,减少辅助用工。
 
  (三)做好播前整地作业。包括深耕深松、灭茬、旋耕、耙地、施基肥等,其中:深耕深松深度≥30cm,旋耕深度15cm左右。有条件的地区应采用多功能联合作业机具进行作业。整地后要求土地平整,土壤细碎无大块。全膜双垄栽培技术在秋季整地后完成起垄覆膜作业,其中大垄宽70cm,垄高15-20cm,小垄宽40cm,垄高10-15cm,铺膜后压土。
 
  三、适期开展机械播种,保证作业质量
 
  (一)播种时间。适时播种是保证出苗整齐度的重要措施。当地下10cm处地温稳定在7~8℃时,即可进行播种。川水地播期为4月上旬-4月下旬,山旱地播期为4月下旬-5月上旬。
 
  (二)播种密度。合理的种植密度是提高单位面积产量的主要因素之一。各地应按照当地的马铃薯品种特性,选定合适的播量,保证亩株数符合农艺要求。
 
  (三)种植方式。根据不同区域气候特点,可选择平种、露地垄种和起垄覆膜等种植模式。作业要求应符合有关标准。种肥应施在种子下方或侧下方,与种子相隔5㎝以上,肥条均匀连续。苗带直线性好,便于田间管理。播种作业时,可同时实施药剂喷施作业,提高除草效果。
 
  平种:采用机械化点播技术,一次完成开沟、施肥、播种、覆土等多项作业,基本参数为播深10-15cm、宽行行距50±5cm、窄行行距20±2cm。
 
  露地垄种:采用机械化点播技术,一次完成开沟、施肥、播种、起垄等多项作业。基本参数为垄作播深15-20cm、垄底宽70cm、垄顶宽40cm、垄高20-25cm,行距为20±2cm;种薯呈三角形排列。
 
  起垄覆膜:采用机械化点播技术,一次完成开沟、施肥、播种、起垄、覆膜、压土等多项作业。基本参数为播深10-15cm、垄底宽70-90cm、垄顶宽40-60cm、垄距120-130cm,垄高20-25cm,种子行距为22-28cm、株距20-35cm;种薯呈三角形排列。地膜厚度≥0.01mm。起垄铺膜作业时需同时实施除草药剂喷施。
 
  所有播种作业的漏播率均不得大于5%。
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