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- Study on water use efficiency of spring corn under film hole furrow irrigation 膜孔沟灌条件下春玉米水分利用效率研究
- Study on technical variables in film hole furrow irrigation with plastic-covered ridge 垄膜覆盖膜孔沟灌技术要素试验研究
- film hole furrow irrigation 膜孔沟灌
- These results lay a founda-tion for further research on film hole irrigation. 研究成果为膜孔灌溉理论与技术的进一步研究奠定了基础。
- The research results of film hole irrigation in Weibei dry plateau are introduced through the property of water movement, area of infiltrating hole, length of film,growth and yeild ,water utilization. 着重从水流运动特性、渗水孔面积、膜畦长度、生长和产量状况、水分利用等方面介绍了膜上灌技术在渭北旱塬研究的初步结论。
- It had a better effect with furrow irrigation and level placement on the ground to grow seedlings in straw container. 秸秆容器育苗时采用侧方渗灌、容器地面平放方式,对育苗效果有相对较好的作用。
- Principles outlined for furrow irrigation apply to related methods of irrigation. 简述的沟灌原理也适用于相近的灌水方法。
- Extensive land leveling is often required because the topography must be smoother than for furrow irrigation. 由于畦灌的地形必须比沟灌的平坦,因此,常常需要大面积平整土地。
- The separate furrow irrigation is a new way of economizing irrigation, which has been investigated and popularized, but there is no report in southern Ningxia hill region. 摘要隔沟灌溉技术是一项新型的节水灌溉技术,在国内外都已进行了较长时间的研究和推广,但在宁南山区尚没有推广应用的报道。
- Bourgeon and growth of oxide film hole were discussed by setting up a model about the forming of oxide film hole under the effects of air bubble. 通过建立气泡作用下氧化面孔洞形成的几何模型来探讨氧化膜孔萌生与生长。
- Results showed that to compare with conventional furrow irrigation(CFI), lateral infiltration of alternative furrow irrigation(AFI)is more obvious. Due to its wet front depth is less than CFI, it can decrease water deep percolation. 结果表明 ,交替隔沟灌溉与常规灌溉相比 ,水分的侧向入渗比较明显 ,由于其湿润锋到达深度小于常规灌溉 ,因此 ,交替隔沟灌溉可以减少土壤水分的深层渗漏 ;
- The types of film hole infiltration can be classified as single point source infiltration,single-line interference infiltration and multiple-line interference infiltration. 膜孔入渗为充分供水条件下的空间三维入渗,可分为三种类型:膜孔自由入渗、膜孔单向交汇入渗和膜孔多向交汇入渗。
- The results showed that as compared with no irrigation, furrow irrigation before wheat sowing improved the sprouting rate of wheat, and increased young-ears number and grain number of each ear. 结果表明:少量灌水使沟播春小麦出苗率提高,小穗数及穗粒数增加;
- The research is focused on upstream and downstream film holes. 取气膜孔前后3倍气膜孔径范围为研究对象。
- Study on Wheat of Film Hole Irrigation in Weibei Dry Plateau 渭北旱塬膜上灌小麦研究初报
- through the growing season by furrow irrigation 在整个生长期间用畦灌法
- Film-covering Bed Furrow Irrigation(FBFI) 覆膜侧渗沟灌
- Width ridge and furrow irrigation 宽垄沟灌
- That was infinitely better than his last film. 这比他上一部电影不知胜过多少倍。
- Alternate partial root zone furrow irrigation 隔沟交替灌溉