Key Laboratory of Water Cycle and Related Land Surface Processes, Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences, Beijing, 100101, People's Republic of China.
University of Chinese Academy of Sciences, Beijing, 100049, People's Republic of China.
Environ Sci Pollut Res Int. 2022 Mar;29(12):17570-17579. doi: 10.1007/s11356-021-16983-9. Epub 2021 Oct 20.
In this paper, the effects of irrigation with different water qualities on the soil characteristics of 8 kinds of garden plants were analyzed. The results showed that soil pH (ranging at 7.76-8.73) had no significant difference in different soils compared with the contrast treatment. Under the reclaimed water irrigation, the content of soil total salinity, chloride ions, and water soluble sodium in soil of most plants was averagely 160.3%, 83.3%, and 67.5% higher than that of tap water, respectively. The influences of reclaimed water irrigation on soil nutrients were changed with the types of plants. The content of soil organic matter and the available potassium showed no significant differences in most plants. Compared with the tap water irrigation, the content of alkaline nitrogen in 5 plants increased (averagely 25.8%) after 5-year irrigation with reclaimed water. In terms of soil microorganism, the increase of soil microbial population, including bacteria, fungus and actinomycetes, has been promoted by different levels of reclaimed water irrigation, which is closely related with soil nutrients.
本文分析了不同水质灌溉对 8 种园林植物土壤特性的影响。结果表明，不同土壤的土壤 pH 值（在 7.76-8.73 之间）与对照处理相比没有显著差异。在再生水灌溉下，大多数植物土壤的总盐分、氯离子和水溶性钠含量分别比自来水平均高出 160.3%、83.3%和 67.5%。再生水灌溉对土壤养分的影响因植物种类而异。大多数植物的土壤有机质含量和有效钾含量没有显著差异。与自来水灌溉相比，5 种植物的土壤碱氮含量在 5 年再生水灌溉后增加（平均增加 25.8%）。在土壤微生物方面，不同水平的再生水灌溉促进了土壤微生物种群（包括细菌、真菌和放线菌）的增加，这与土壤养分密切相关。
