| 1. | Some envisions of reformation irrigation district in beijing 西宁地区草坪灌溉制度与灌水技术的确定 |
| 2. | Research on the high efficiency using water pattern and irrigated technical for irrigation with rainfall harvesting in hill district 山丘区集雨灌溉高效用水模式及灌水技术研究 |
| 3. | The main reasons for the growth in drip irrigation are the advantages , which it offers over sprinkler and certain conventional forms of surface irrigation 滴灌是当今世界最先进的灌水技术之一,同传统灌水方式比较具有节水、高产、优质的优点。 |
| 4. | Drip irrigation under mulch is a advanced technique combined by the trickle irrigation technique and the polyethylene film planting technique , which have the advantages of saving water , enhancing yields , upgrading quality and high utility 膜下滴灌是当今世界最先进的滴灌灌水技术和覆膜种植栽培技术相结合的产物,同传统的灌水方式和栽培技术相比较具有节水、高产、优质和高效的优点。 |
| 5. | Abstract : characteristics of film hole irrigation and effects of irrigation technological parameters on ir - rigating quota are analyzed , and the relationships among discharge per unit width , hole spacing and ir - rigation quota are studied in this paper , based on field experimental data 文摘:根据膜孔灌溉大田灌水试验资料,分析了膜孔灌溉特点和灌水技术要素对膜孔灌灌水定额的影响,研究了单宽流量与开孔率与膜孔灌灌水定额的关系。 |
| 6. | This thesis aims at promoting the innovation on irrigation methods and the development of irrigation techniques in vegetable cultivation , and also provides for percolation irrigation by way of experimental study on the seepage flow both in air and soil with zippered plastic pipes and on the application of percolation with zippered plastic pipes to vegetable tomato cultivation in shelves 本论文通过拉链式塑料管大气、土壤中的渗流试验研究,以及在大棚蔬菜(番茄)栽培应用拉链式塑料管渗灌的试验研究,希望为保护地蔬菜栽培灌水方法的革新和渗灌灌水技术的发展、拉链式塑料管作为渗灌管的可行性和优越性提供理论依据。 |
| 7. | Abstract : the paper studies the important technique and index in application scope , equipment configuration , operating duty , energy consumption , irrigation application efficiency and economic benefit of pipe - sprinkler combined irrigation , and presents the usage method of the low - pressure pipe and multi - hole micro - sprinkler ribbon combined system 文摘:针对管喷结合灌水技术的应用范围、设备配置、运行方式、能耗、灌溉水利用系数以及效益等关键技术及指标进行了探讨,并提出了低压管道和多孔式微喷带结合系统的使用方法。 |
| 8. | Furthermore , it is pointed out that the water - saving irrigation technologies are to be applied in combination with different measures adaptable to the natural conditions , economic levels and technical capacities of the various regions concerned and then the relevant long - term plans are to be considered for developing the modern and automatic irrigation technologies as well 提出了对节水灌溉的几种新的认识和节水灌溉技术在应用时各地区应结合自然条件、经济水平、技术力量等因地制宜地采取的不同措施,并考虑了长远规划,逐步发展现代化、自动化的先进灌水技术。 |
| 9. | This paper , briefing on the controlled root - split alternate irrigation , a new idea of saving and regulating on - farm water use whereby crop water requ i rement can be satisfied while controlling transpiration , gives out its definitio n , traces the historical development of studies in relation to the adoption of t he techniques concerned at home and abroad , summarizes the main research finding s in the technical aspects of the controlled root - split alternate irrigation in the past two years and makes an analysis on some of the problems that may exist in the implementation of this technique 介绍了一种既能满足作物水分需求、又能控制蒸腾的农田节水调控新思路控制性分根交替灌溉,阐明了控制性分根交替灌水技术的含义,概述了国内外一些相关的采用分根技术研究的历史动态,总结了控制性分根交替灌水技术近两年来的主要研究成果,分析了该技术在实施过程中可能存在的一些问题。 |