Effects of irrigation with wastewater on soil fertility and growth of forage palm (Opuntia tuna) and sabiá (Mimosa caesalpiniifolia Benth) under degraded soil in semi-arid Brazil.

Q2 Agricultural and Biological Sciences
Brazilian Journal of Biology Pub Date : 2025-08-18 eCollection Date: 2025-01-01 DOI:10.1590/1519-6984.291665
D A Meireles, K A A Carneiro, F A Silva, V S Fraga, B O Dias, D S Batista, R V Santos, A F L Lima, M C C Campos
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引用次数: 0

Abstract

Background: Water scarcity is growing every day, especially in semi-arid regions. Consequently, the amount of groundwater used in agriculture is strictly limited, and it has become necessary to explore alternative water sources. This study aimed to evaluate the potential of wastewater in restoring the fertility of degraded soil and in the vegetative growth of forage palm (Opuntia tuna) and sabiá (Mimosa caesalpiniifolia Benth). The experiment was conducted in the semi-arid region of Paraíba in a randomized block design arranged in a 3x2 factorial arrangement, with three types of irrigation water: i) irrigation with a volume of 500 ml plant/week with water supply; ii) irrigation with a volume of 500 ml plant/week of domestic sewage wastewater; iii) irrigation with a volume of 1000 ml plant/week of domestic sewage wastewater/ and two plant species: i) forage palm and ii) sabiá, with 10 replications. The biometric variables of the forage palm and sabiá plants were assessed. Soil samples were taken before and after irrigation to characterize soil fertility. It was found that wastewater changed pH in water, cation exchange capacity, base saturation, organic carbon, Ntotal, and available phosphorus. The treatment with the highest level of wastewater favored the vegetative growth of the forage palm, while the sabiá plants showed no significant response.

巴西半干旱退化土壤下废水灌溉对饲用棕榈和含羞草土壤肥力和生长的影响
背景:水资源短缺日益严重,尤其是在半干旱地区。因此,农业中使用的地下水数量受到严格限制,因此有必要探索替代水源。本研究旨在评估废水在恢复退化土壤肥力和草料棕榈(Opuntia tuna)和含羞草 (Mimosa caesalpiniifolia Benth)营养生长方面的潜力。试验在Paraíba半干旱区进行,采用3 × 2因子随机区组设计,灌水量为500 ml /周,有供水;Ii)灌溉容积为500毫升/周的生活污水废水;Iii)灌溉量为1000 ml /周的生活污水废水/和两种植物:i)饲料棕榈和ii) sabi, 10个重复。评估了饲用棕榈和sabi植物的生物特征变量。在灌溉前后分别采集土壤样品,以表征土壤肥力。结果表明,废水改变了水体pH、阳离子交换量、碱饱和度、有机碳、硝态氮和速效磷。高浓度废水处理有利于饲用棕榈的营养生长,而sabii植物则无显著响应。
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来源期刊
CiteScore
2.40
自引率
0.00%
发文量
301
审稿时长
4-8 weeks
期刊介绍: The BJB – Brazilian Journal of Biology® is a scientific journal devoted to publishing original articles in all fields of the Biological Sciences, i.e., General Biology, Cell Biology, Evolution, Biological Oceanography, Taxonomy, Geographic Distribution, Limnology, Aquatic Biology, Botany, Zoology, Genetics, and Ecology. Priority is given to papers presenting results of researches in the Neotropical region. Material published includes research papers, review papers (upon approval of the Editorial Board), notes, book reviews, and comments.
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