灌溉水平下大蒜的水足迹及其农业应用

A. Farag, M. Abdrabbo, Z. Maharik, R. El-Morshedy
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摘要

在2017-2018年和2018-2019年的两个生长季节,在埃及吉萨对大蒜作物进行了田间试验,目的是研究不同灌溉水平(60%、80%和100%的需水量及其与agrispon(0.5和1.0毫升/升)的叶面喷洒对生长和产量的影响。结果表明,当灌溉水平提高到100%时,大蒜的营养特性得到改善,而当灌溉水平达到60%时,生长和生产力最低。在考虑喷洒agrispon时;其中1.0ml/L增加生长和生产力,然后是0.5ml/L;而对照处理在这两个季节的生产率最低。灌溉水平和agrispon处理之间的相互作用表明,100%灌溉水平结合1.0ml/L喷雾施用agrispons可获得最高的大蒜产量,其次是100%灌溉水平联合0.5ml/L喷雾。化学分析表明,在这两个季节,100%灌溉水平和1.0ml/L的agrispon施用可获得最高的NPK。关于水足迹,80%的灌溉水平获得了最高的灌溉水足迹,其次是60%的灌溉水平,而100%的灌溉水平则获得了最低的足迹,这是因为在100%灌溉水平下大蒜的生产力很高。大蒜的水足迹估计为525立方米/吨。大蒜的蓝色水足迹为422立方米/吨,约占总水足迹的80%,而灰色水的百分比约为20%,价值为103立方米/吨。
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Water Footprint for Garlic under Irrigation Levels and Agrispon Application
Field experiment was conducted in Giza, Egypt, during two growing seasons of 2017-2018 and 2018-2019 on garlic crop, with the objective of investigating the effect of different irrigation levels (60, 80 and 100 % of water requirements and their combination with the foliar spraying applications of agrispon (with 0.5 and 1.0 ml/ liter) on growth and yield. The results indicated that increased irrigation level up to 100% led to increased vegetative characters of garlic and that the lowest growth and productivity was obtained by 60% irrigation level. When considering spray application of agrispon; with 1.0 ml/L increased growth and productivity followed by 0.5 ml/L; while control treatment gave the lowest productivity during the both seasons. Interaction effect between irrigation level and agrispon treatments indicated that 100% irrigation level combined with 1.0 ml/L spray application of agrispon gave the highest garlic productivity followed by 100% irrigation level combined with 0.5 ml/L spray application. The chemical analysis showed that the highest NPK was obtained by 100% irrigation level combined with 1.0 ml/L agrispon application during the both seasons. Regarding water footprint, the highest irrigation water footprint was obtained by 80% irrigation level followed by 60% irrigation level, while the lowest footprint was obtained by 100% irrigation level due to high garlic productivity under 100% irrigation level. The estimate water footprint for garlic was 525 m3/ton. The blue water footprint for garlic was 422 m3/ton about 80% form total water footprint, while gray water percentage about 20% with value of 103 m3/ton.
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International Letters of Natural Sciences
International Letters of Natural Sciences MULTIDISCIPLINARY SCIENCES-
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