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分析了当前我国农机维修网点的发展现状与突出问题,从提升农机维修网点的市场竞争实力、完成农机维修网点基础设施、农机维修网点的合理设置等方面进行论述,以期为农村农机的维修网点未来发展提供参考。 相似文献
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农机维修网点的统一规划和合理布局李波,许京勇对农机维修网点进行统一规划和合理布局,是搞好农机维修管控。作的一条重要措施,是使农机维修管理标准化、制度化、规范化的重要保证。搞好农机维修网点的统一规划和合理布局能够充分发挥农机维修网点作用,为农机提供良好... 相似文献
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如何使农村农机维修网点在农业机械的维修中有效地发挥主体作用,提高农机维修水平,是当前农机维修网点管理工作的一个课题。2009年,旅顺口区农机管理总站通过认真调查研究,结合本地实际,对全区农机维修网点实施了“星级管理”,有效地增强了农村农机维修网点的活力,提升了农机维修管理工作的整体水平。 相似文献
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1.农机维修管理成绩突出
近年来,山东省农机维修网点审核发证率达到90%以上,新发、换发农机维修技术合格证1.6万多个,实现网上信息化管理的网点达9000多个,组织开展了"星级文明农机维修网点"创建活动,先后2次共评选出一星级文明农机维修网点1 834个,二星级、三星级网点930个,四星级网点141个,培育发展了一大批农机维修优质服务品牌企业. 相似文献
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正1市场现状三台县农机维修从业人员160人。从年龄结构看:35岁以下的占19.4%,35~50岁的占80.6%;农机维修人员持有维修工技术等级证书的占32.5%。调查农机维修网点102个:经工商注册网点65个,占63.8%;经审批有农业部门颁发的农机维修许可证的网点37个,占36.3%;从事农机销售进行农机售后服务维修的网点45个,占44.1%;从事汽车等机具维修兼营农机维修的网点55个,占53.9%;专门从事农机维修的网点2 相似文献
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国家对农业机械购置与应用的补贴力度不断加大,湘潭市农业机械销售量每年持续上涨,农业机械的发展如火如荼,蒸蒸日上。但是农机维修网点却没有跟上农机销售和使用发展的步伐,并远远滞后。重点分析湘潭市乡镇农机维修网点存在的问题及对策,并以当下乡镇农机维修网点存在的问题为依据,阐述提高乡镇农机维修网点的综合实力,合理设置维修网点、完善维修网点基础设施的对策,为提高乡镇农机维修网点的发展动力奠定坚实的基础。 相似文献
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农村农机维修网点存在的问题及对策 总被引:3,自引:0,他引:3
由于农业机械保有量的不断增加和农机管理空间的不断拓展,需要增加农机维修网点,扩大农机维修范围,提高农机维修质量.介绍我国农村农机维修网点的建设现状,分析存在的问题,提出搞好农村农机维修网点建设的建议. 相似文献
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供水流程中的摇蚊污染影响水厂生产和自来水水质,S市水厂进行的摇蚊污染特征调查结果表明,污染水厂的摇蚊优势种是花翅摇蚊,水厂孳生的摇蚊来源于进厂原水,摇蚊主要孳生分布在水厂沉淀池。水厂沉淀池形成摇蚊污染的主要原因有:原水的悬浮物和丰富的藻类,沉淀池的温度、溶解氧、pH值,摇蚊幼虫对氯离子和混凝剂浓度的较强耐受性。 相似文献
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为分析矿区充填复垦土壤种植农作物的生态安全性,以中国徐州市柳新矿区复垦场地为例,对照当地农田土壤,对充填场地种植小麦不同部位As、Cd、Cr、Cu、Hg、Pb、Zn 7种重金属元素含量进行检测,分析了Cd、Cr在成熟小麦不同器官中的分布、富集情况,并利用单项污染指数法和综合指数法对小麦籽粒进行了风险评价。结果表明,三场地中Cd 和Hg在未成熟苗中的含量小于成熟茎中的含量,Cr、Cu和Zn则与之相反,Pb和As的含量规律性不太明显;复垦场地小麦未成熟根的重金属含量都小于成熟根中的含量;比照地中除Cr 和Zn之外,其余元素在未成熟根中的含量均大于成熟根的含量;参照粮食污染限量标准,小麦籽粒中Cd和Cr含量均超标。风险评价显示三场地小麦籽粒中Cd、Cr单项污染指数达到轻度至重度水平,综合污染指数处于轻度污染至中度污染水平之间。该研究对矿区粮食安全的监控具有重要的实际应用价值。 相似文献
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Evaluating the Impact of Irrigation and Drainage Policies on Agricultural Sustainability 总被引:3,自引:0,他引:3
Farmers in the Broadview Water District in central Californiahave been improving irrigation practices in response to risingirrigation water prices and reductions in water supply since1989, when incentive policies were first implemented to reducethe volume of subsurface drain water generated in theDistrict. The average salinity of water deliveries hasincreased, over time, as the District has recycled largeamounts of drainage water to achieve regional restrictions ondrainage water discharge. We review irrigation and drainageactivities in Broadview since 1986 with an emphasis on thesustainability of crop production when drainage discharge islimited. Average cotton yields in Broadview have declined inrecent years, both nominally and in comparison with averageyields reported for the large county in which Broadview islocated. Average tomato yields in Broadview have increased inrecent years, but county-wide yields have exceeded Broadviewyields with greater frequency than in the late 1980s. Theseobservations suggest that average crop yields in Broadview maybe starting to reflect the increasing salinity of soil andwater resources, which may be due in part to persistentrestrictions on drainage water discharge. 相似文献
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根据黄河头道拐断面2008年4月—12月水环境的监测数据,分析了PCBs在该断面水体中的季节性分布特征及源汇。结果表明:头道拐断面∑PCBs各季度平均浓度呈夏季>秋季>春季>冬季的变化特征,水体中PCBs各同系物的最大浓度大多出现在6、7、8月。PCB29和PCB98的浓度相对较高,这与我国曾大量生产低氯联苯相吻合。头道拐水体中PCBs的浓度与其他水体中PCBs的污染水平相比处于低值水平。PCBs的主要贡献源有历史残留,污废水的汇入,大气的干湿沉降作用,主要归宿是沉积物。 相似文献
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Regulated Deficit Irrigation (RDI) is an irrigation scheduling technique, originally developed for fruit orchards, that has been successfully adapted for winegrape production. The aim of this work is to evaluate the effect of RDI in vegetative growth, yield and harvest quality in ‘Tempranillo’ vineyards grown under semiarid conditions typical in Mediterranean areas. Two RDI strategies were compared with conventional irrigation practices (CI). CI that consisted in a progressive increase in water deficit as summer progressed, whereas RDI strategies (RDI1 and RDI2) had in common a deficit period just after fruit set and, in RDI2, vines were subjected to an additional stress period shortly after veraison. The experiment was carried out in four consecutive seasons in a commercial vineyard.Water stress at the beginning of berry development resulted in an important reduction of both vegetative growth and berry weight in RDI strategies. No differences in sugar concentration were found between treatments, and RDI berries tended to have lower acidity. The most relevant effect of RDI strategies on grape quality was an increase in anthocyanin and phenolics concentration. In RDI1 berries, this increase was mainly an indirect consequence of smaller berry size. However, in the RDI2 treatment the higher berry anthocyanin concentration reported was not exclusively due to a reduction in berry size. Since harvest quality has been clearly improved by any of the RDI strategies in both years, it can be concluded that RDI constitutes an interesting technique to be applied in ‘Tempranillo’ vineyards grown in semiarid areas aiming to obtain high quality grape. 相似文献
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2011年5—6月,对深圳市小叶榕榕管蓟马危害情况进行了调查。结果表明:全市小叶榕榕管蓟马株受害率达92.55%,各区域存在一定差异,福田区最高,达98.82%,罗湖区相对较低,为76%;全市小叶榕榕管蓟马叶片受害率为46.25%,各区域存在显著差异,罗湖区达57.65%,南山区最低,为30.33%;全市小叶榕榕管蓟马虫口密度为13.09头叶,福田区榕管蓟马虫口密度最大,达19.10头叶,南山区最低,为6.56头叶。根据调查结果和国内防治技术研究进展,从植物检疫、化学防治和农业措施等方面对其防治对策进行了探讨。 相似文献