盐水和脱盐水的最佳灌溉调度方式：田间试验

IF 0.8 Q4 Environmental Science

Houille Blanche-Revue Internationale De L Eau Pub Date : 2020-08-01 DOI:10.1051/lhb/2020037

I. Daghari, Mohamed Ramadhane El Zarroug, Charles Muanda, Shanak Naima

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引用次数: 5

摘要

在突尼斯，只有30%的动员水资源的盐度低于2.34 dS/m。这项工作的目的是确定当使用盐水和脱盐水时的最佳灌溉调度方式。淡水和盐水的灌溉剂量不同：T80-20、T50-50和T1d-1d。80、20和50对应于一天中供应的灌溉水的百分比。对于1d-1d，这相当于一天用盐水灌溉，第二天用脱盐水灌溉。测量了三种不同盐水（1.56、4.68和7.81）对作物生长和土壤盐度的影响 dS/m）。用于盐度为1.56的灌溉处理T50-50的产量较好。对于4.68和7.81 dS/m，观察到所有处理的高度降低。此外，对于生菜作物周期结束时的土壤盐度，T50-50是在所有水平上都能获得最佳结果的最佳处理。

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Best irrigation scheduling way with saline water and desalinated water: Field experiments

In Tunisia, only 30% of mobilized water resources have salinity less than 2.34 dS/m. The objective of this work was to determine the best irrigation scheduling way when saline and desalinated waters are used. Different irrigation doses of freshwater and saline water are used: T80-20, T50-50 and T1d-1d. 80, 20 and 50 correspond to the percentages of irrigation water supplied in a day. For 1d-1d, this corresponds to irrigation one day with saline water and then the next day with desalinated water. Their effect on crops growth and on soil salinity was measured for three different saline waters (1.56, 4.68 and 7.81 dS/m). For irrigation with water salinity of 1.56 dS/m, the treatments T50-50 gives the better yield. For the 4.68 and 7.81 dS/m, a reduction in height was observed for all treatments. Also, for soil salinity at the end of the lettuce crop cycle, T50-50 is the best treatment that has given the best results at all levels.

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来源期刊

Houille Blanche-Revue Internationale De L Eau 环境科学-水资源

CiteScore

0.40

自引率

0.00%

发文量

审稿时长

>36 weeks

期刊介绍： La Houille Blanche, revue internationale de l ''eau/International Water Journal, is the only almost all French-written journal of Water science. It promotes the dissemination of research and innovative practices in the field of water, as a key resource for everyday use for human needs, agriculture, energy and transport, and hydraulic public works. This includes environmental and risk assessment and management issues related to hydrology, meteorology, flood, low flows and drought, as well as issues in the field of fluid mechanics, hydraulics machinery, multiphase flows, microfluidics... La Houille Blanche, International Water Journal, is cited by Science Citation Index Expanded of Institute for Scientific Information (I.S.I) in USA, and by CNRS in France; since 1902, the journal publishes high-standard relevant peer-reviewed research papers. La Houille Blanche also provides more general information and recent news about the water world, and the SHF association and its members life: scientific events, book review, R & D advancements, … Six issues per year. Thematical journal for original articles and reviews mostly in French.