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简述了维修管理对农机维修生产节本增效的意义;分析了农机维修管理实现节本增效的途径及其发展现状;并在生产组织和农业机械维护保养等方面提出改进意见和发展规划。 相似文献
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“节本增效”农业工程能增加农民收入,实现农业生产规模效益,它对农业生产和农村经济发展起促进作用。晋城市农机局坚持农机与农艺紧密结合,积极组织科技人员进行节本增效技术的试验、示范和推广工作,并取得了良好成效。1.机械化深施化肥节本增效技术该技术是在耕整... 相似文献
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为加速高产、优质、高效农业发展的步伐,农业部从1994年开始在全国范围内重点实施了农业生产的节本增效工程技术,这对于推进我国效益农业的进程,带动一大批节本增效工程技术的推广应用具有十分重要的意义。玉米根茬机械粉碎还田,对增强农业发展后劲具有重要作用,是一项实用性强、节本增效显著的工程技术,值得大力推广。 相似文献
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苍山县地处山东最南部,是全国商品粮基地县,著名的大蒜之乡。近几年来,我们紧紧围绕发展高产优质高效农业和农村经济,以开展“节本增效,兴机富农”活动为契机,强化农机管理职能,积极搞好服务,依法管机,真抓实干,争创一流,农机化事业迅速发展,农业生产中农机科技含量大幅度提高,有力地促进了农业生产和农村经济的发展。1993年至1996年连续4年被省局评为先进单位。 一、实施农机节本增效工程,提高农业装备水平 自开展“节本增效、兴机富农”活动以来,我们坚持以“三播二深一还田”为重点,采取各种优惠政策和措施,推广应用了一大批新机具、新技术。1995和1996两年累计推广小麦精少量播种机2400台,玉米套播耧2000台,旱沟麦播种机100台,深耕犁 相似文献
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节本增效工程即以稳定增加农民收入和农产品有效供给为目标,全面发展农村经济,并且把增加农民收入作为当前和今后一个时期农业和农村经济工作的重点。节本增效要以“四节”为突破口,即节肥、节油、节种和节药。当前首先要抓好以化肥深施为重点的节本增效工作。 1994年农业部拨出无偿经费500多万元在全国范围内推广化肥深施技术。 化肥深施节本增效工程在全国分三个层次开展工作:在不同类型地区选择11个国家粮棉生产大县进行较高标准的技术示范;在农业部蹲点调查的 相似文献
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《Journal of Agricultural Engineering Research》1998,69(3):249-254
A model to represent the discolouration of dried powder of carrots as a function of temperature was developed. Two types of carrots, Asian and European, containing large amount of lycopene and β-carotene, respectively, were tested. The dried powder was stored under an atmosphere with O2and at three different temperatures, 5,20 and 35°C. The surface colour of the powder was monitored during storage by a Hunter colour ratioa/b. In the proposed model, the rate of oxidation was assumed to be represented by the product of the fraction of concentration of oxidized pigment at arbitrary time and a specific rate of oxidation of pigment. The rate parameters in the proposed model were calculated by fitting the experimental data with smooth curves by trial and error at the end of the induction period but before discolouration took place. The frequency constant and activation energy, expressing the temperature dependence of the rate parameters, were expressed by the Arrhenius relation. The simulation results of a Hunter colour ratioa/bof dried powder at 25°C showed good agreement with the experimental data, suggesting that the proposed model was effective for the prediction of discolouration of dried powder of both types of carrot. The use of the induction period in the manner described may enable the shelf life of dried powder to be predicted. 相似文献
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The fractional outflow rate of water from the rumen, measured as the rate of disappearance of the chromium complex of ethylenediamine tetra-acetic acid, was related to a number of dietary factors. A multiple regression equation was derived which expressed fractional outflow rate as a function of the intakes of dry matter, ash, acid-detergent fibre and crude protein.The data analysed consisted of 243 observations for sheep on 59 diets, including forage, concentrate and mixed diets. The ranges covered by the data were: fractional outflow rate 0.7–3.6 day?1; dry matter intake 560–1400g/day; ash 4–30%, acid-detergent fibre 7–41%, crude protein 5–26 % of dry matter; there were no observations for sheep of less than 34 kg liveweight.The equation accounted for 56·3 % of the total variance. Between-sheep variance could not be calculated for the whole of the data but was undoubtedly substantial since, for a sixth of the data, it was known to account for 38 % of the total variance. 相似文献
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感官检验棉花的品级,这是农村常见的一种检测手段.它的一个主要特点就是存在不确定性.这是由于检验员的品级检验水平存在一定的差异,其中有很多因素制约着检验的结果.文章对影响感官检验结果的因素进行了系统的分析. 相似文献
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从灾害经济学的角度探讨了城镇供水优化调度的必要性和可能性,认为在缺水不可避免的情况下,对供水进行优化调度可以减小缺水带来的损失,产生较好的减灾效益,特别是可以大大减小严重干旱的灾害效应。并根据水资源的特性,提出了缺水损失的计算模式以及优化调度的原则和方法。 相似文献