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微耕机在屏南县的应用前景及推广对策 总被引:1,自引:0,他引:1
近年来,随着社会经济的飞速发展和农村产业结构的调整,屏南县农业机械化水平有了很大提升。农业机具补贴政策的实施,使得适用于小地块作业的微耕机深受我县广大农户的喜爱。解决好微耕机推广应用中存在的问题,建设和完善推广服务体系,是促进屏南县农机化发展、实现农业现代化、增强农业综合生产能力的有力手段和重要保证。 相似文献
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论述微耕机在巍山县的推广应用现状,分析存在的问题,并提出推进农业现代化发展的对策,以期提高当地的农业生产水平。 相似文献
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近年来,随着社会经济的飞速发展和农村产业结构的调整,秦安县农业机械化水平有了很大的提升。农业机具补贴政策的实施,使得适用于小地块作业的微耕机深受我县广大农户的喜爱。解决好微耕机推广应用中存在的问题,建设和完善推广服务体系,是促进我县农机化发展、实现农业现代化、增强农业综合生产能力的有力手段和重要保证。 相似文献
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Short Response of Spring Wheat to Tillage,Residue Management and Split Nitrogen Application in a Rice-Wheat System 总被引:1,自引:0,他引:1
Khalid Usman ;Ejaz Ahmad Khan ;Fazal Yazdan ;Niamatullah Khan ;Abdur Rashid ;Saleem Ud Din 《中国农业科学(英文版)》2014,(12):2625-2633
A ifeld experiment was conducted to study the impact of tillage, crop residue management and nitrogen (N) splitting on spring wheat (Triticum aestivum L.) yield over 2 yr (2010-2012) in a rice (Oryza sativa L.)-wheat system in northwestern Pakistan. The experiment was conducted as split plot arranged in randomized complete blocks design with three replications. Treatments comprised six tillage and residue managements:zero tillage straw retained (ZTsr), zero tillage straw burnt (ZTsb), reduced tillage straw incorporated (RTsi), reduced tillage straw burnt (RTsb), conventional tillage straw incorporated (CTsi), and conventional tillage straw burnt (CTsb) as main plots and N (200 kg ha-1) was applied as split form viz., control (no nitrogen&no splitting, N0S0);2 splits of total N, half at sowing and half at the 1st irrigation (i.e., 20 d after sowing (DAS)) (NS1);3 splits of total N, 1/3 at sowing, 1/3 at the 1st irrigation, and 1/3 at the 2nd irrigation (NS2);4 splits of total N, 1/4 at sowing, 1/4 at the 1st irrigation, 1/4 at the 2nd irrigation (45 DAS), and 1/4 at the 3rd irrigation (70 DAS) (NS3);and 4 splits of total N, 1/4 at the 1st irrigation, 1/4 at the 2nd irrigation, 1/4 at the 3rd irrigation, and 1/4 at the 4th irrigation (95DAS) (NS4) as sub plots. The results showed that the most pikes m-2, grains/spike, 1 000-grain weight, grain yield, and N use efifciency (NUE) were obtained at zero tillage, straw retained and 4 splits application of total N (i.e., at sowing 20, 45 and 70 d after sowing). The results indicated that ZTsr with application of 200 kg N ha-1 in 4 equal splits viz. at sowing 20, 45 and 70 d after sowing is an appropriate strategy that enhanced wheat yield (7 436-7 634 kg ha-1) and N efifciency (28.6-29.5 kg kg-1) in rice-wheat system. 相似文献
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易运池 《北京农业职业学院学报》2014,28(4):91-94
《单片机应用技术》是一门应用性很强的课程,是高等职业院校数控加工类的专业必修课.该课程借助学院重点专业的建设,坚持职业性与实用性原则,把课程内容划分成实际项目,以真实的任务为载体,进行理论与实践一体化模式的教学,改革考核方法,收到了良好的效果. 相似文献
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结合工程技术学院机械类课程设置改革,论述了SolidWorks在机械设计基础课程体系教学中的作用,提出基于SolidWorks系统的模块化案例教学法在“机械原理”和“机械设计”理论教学中的应用模式,探讨基于SolidWorks系统的“机械原理课程设计”与“机械设计课程设计”的整合教学改革措施.通过以Solid-Works这一凝炼现代设计思想和现代工程理念的工程软件为纽带,将机械设计基础课程体系中的理论教学和实践教学有机地结合起来,旨在夯实基础知识的同时培养学生运用现代化手段解决实际工程问题的意识和能力,以及提高现代化教学层次和效率. 相似文献
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针对淮安市水稻病虫发生规律新的变化,集成水稻穗期病害"二喷三防"用药技术组合,制定出"两次用药、防三害,增产、防病相结合"的水稻穗期"二喷三防"新技术。即第1次在水稻破口前5~7 d用30%苯甲.丙环唑225 mL/hm2+20%井冈霉素375 g/hm2防治1次;第2次防治在水稻齐穗期(破口后5~7 d)用30%苯甲.丙环唑225~300 mL/hm2,达到防病虫害(主防病害、结合虫害),防早衰,防(抗)倒伏的多重功效。 相似文献
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持续集成是全新的集成模式。它每天进行一次或多次的集成测试,以集成结果来制作版本。目的在于打破传统模式,在不改变原有的组织方式的前提下,由集成测试的结果来驱动版本的发布,将集中发现的集成问题分散开。通过更加频繁与快速的集成测试,版本整体质量在研发过程中可以实时展示出来。通过及时的集成,及时发现和解决代码故障,提高代码质量,减少故障处理成本,降低实施成本。 相似文献
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本文论述了一种适于我国北方地区,平作种植玉米、甜菜、高梁、籽瓜等作物的联合作业播种机的设计原理。该机一次完成深施化肥、地膜覆盖、膜上半精量穴播等作业工序。6年来得到大面积推广应用。 相似文献
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Short Response of Spring Wheat to Tillage,Residue Management and Split Nitrogen Application in a Rice-Wheat System 下载免费PDF全文
Khalid Usman Ejaz Ahmad Khan Fazal Yazdan Niamatullah Khan Abdur Rashid Saleem Ud Din 《农业科学学报》2014,13(12):2625-2633
A field experiment was conducted to study the impact of tillage, crop residue management and nitrogen (N) splitting on spring wheat (Triticum aestivum L.) yield over 2 yr (2010-2012) in a rice (Oryza sativa L.)-wheat system in northwestern Pakistan. The experiment was conducted as split plot arranged in randomized complete blocks design with three replications. Treatments comprised six tillage and residue managements: zero tillage straw retained (ZTsr), zero tillage straw burnt (ZTsb), reduced tillage straw incorporated (RTsi), reduced tillage straw burnt (RTsb), conventional tillage straw incorporated (CTsi), and conventional tillage straw burnt (CTsb) as main plots and N (200 kg ha−1) was applied as split form viz., control (no nitrogen & no splitting, N0S0); 2 splits of total N, half at sowing and half at the 1st irrigation (i.e., 20 d after sowing (DAS)) (NS1); 3 splits of total N, 1/3 at sowing, 1/3 at the 1st irrigation, and 1/3 at the 2nd irrigation (NS2); 4 splits of total N, 1/4 at sowing, 1/4 at the 1st irrigation, 1/4 at the 2nd irrigation (45 DAS), and 1/4 at the 3rd irrigation (70 DAS) (NS3); and 4 splits of total N, 1/4 at the 1st irrigation, 1/4 at the 2nd irrigation, 1/4 at the 3rd irrigation, and 1/4 at the 4th irrigation (95DAS) (NS4) as sub plots. The results showed that the most pikes m−2, grains/spike, 1000-grain weight, grain yield, and N use efficiency (NUE) were obtained at zero tillage, straw retained and 4 splits application of total N (i.e., at sowing 20, 45 and 70 d after sowing). The results indicated that ZTsr with application of 200 kg N ha−1 in 4 equal splits viz. at sowing 20, 45 and 70 d after sowing is an appropriate strategy that enhanced wheat yield (7436-7634 kg ha−1) and N efficiency (28.6-29.5 kg kg−1) in rice-wheat system. 相似文献
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Microsoft Excel是一种功能强大的电子表格软件,具有对数据进行系统处理、分析、统计等功能。作者结合多年的科研管理工作的实践,阐述了Excel在科研管理工作中的应用。 相似文献
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微胶囊技术原理及其在食品工业中的应用 总被引:17,自引:0,他引:17
通过微胶囊技术的原理,概述了食品工业中应用的喷雾干燥法、喷雾冷却法、空气悬浮法、凝聚法、挤压法及很有应用前景的包接络合法,同时介绍了食品工业中微胶囊化香料和风味料、微胶囊化酸味剂、微胶囊化酶制剂及微胶囊化防腐剂等具有开发前景的应用实例。 相似文献