Ahmet Çelik, Ristina Siti Sundari, Suat Cun, Ali Sarıoğlu, Vedat Beyyavaş, Erdal Sakin, Korkmaz Bellitürk, Zemzem Fırat, Mehmet Fatih Dilekoğlu
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Physiological traits such as SPAD readings (19%) and stomatal conductance (17%) improved, indicating increased photosynthetic efficiency. Oxidative stress indicators decreased at moderate doses, with MDA reduced by 26% and H<sub>2</sub>O<sub>2</sub> by 21% at 3.0%, while the 4.5% application increased some stress markers (MDA + 18%) alongside certain growth and enzymatic parameters, suggesting a dual effect. Soil enzyme activities such as urease (29%), dehydrogenase (27%), and catalase (21%) increased, accompanied by slight rises in pH (3%) and electrical conductivity (6%), reflecting enhanced microbial activity and nutrient cycling. These findings demonstrate gyttja's potential as a multifunctional organic amendment that supports plant vigor and improves soil health in semi-arid environments. However, high application rates may induce stress, highlighting the importance of dose optimization. Gyttja can be considered a promising component of sustainable agricultural systems, particularly for nutrient-poor soils, but further field-scale research is needed to confirm its long-term effectiveness. 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引用次数: 0
摘要
在具有挑战性的环境条件下,利用有机改良剂提高土壤肥力和植物生产力在可持续农业中受到越来越多的关注。本试验研究了半干旱条件下不同浓度(1.5%、3.0%和4.5%)皂荚对大豆(Glycine max L.)植株生长、生理反应、抗氧化酶活性和土壤生化特性的影响。采用完全随机设计,进行3个重复的盆栽试验。与对照相比,尤以3.0%和4.5%的浓度显著提高了茎高(28%)、根长(24%)和生物量(22%)。SPAD指数(19%)和气孔导度(17%)等生理性状均有所改善,表明光合效率提高。在中等剂量下,氧化应激指标降低,其中MDA降低26%,H2O2在3.0%时降低21%,而4.5%的用量增加了一些应激标志物(MDA + 18%)以及某些生长和酶参数,表明双重作用。土壤酶活性如脲酶(29%)、脱氢酶(27%)和过氧化氢酶(21%)增加,同时pH值(3%)和电导率(6%)略有上升,反映了微生物活性和养分循环的增强。这些发现表明,gyttja作为一种多功能有机改剂,在半干旱环境中具有支持植物活力和改善土壤健康的潜力。然而,高施用量可能引起应力,突出剂量优化的重要性。Gyttja可以被认为是可持续农业系统的一个有希望的组成部分,特别是对于营养贫乏的土壤,但是需要进一步的实地研究来证实其长期有效性。本研究为半干旱条件下青花在促进植物生长和土壤健康方面的多功能作用提供了新的证据,为将其纳入营养贫乏地区的可持续农业实践提供了有价值的见解。试验注册本研究不涉及任何人类参与者,因此不是临床试验。
Impacts of gyttja application on morphological, physiological, and biochemical parameters in soybean and soil.
The use of organic amendments in sustainable agriculture has gained increasing attention to improve soil fertility and plant productivity under challenging environmental conditions. This study evaluated the effects of different gyttja concentrations (1.5%, 3.0%, and 4.5%) on plant growth, physiological responses, antioxidant enzyme activities, and soil biochemical properties in soybean (Glycine max L.) under semi-arid conditions. A pot experiment with three replications was conducted in a completely randomized design. Gyttja significantly enhanced shoot height (28%), root length (24%), and biomass production (22%) compared to the control, particularly at 3.0% and 4.5% concentrations. Physiological traits such as SPAD readings (19%) and stomatal conductance (17%) improved, indicating increased photosynthetic efficiency. Oxidative stress indicators decreased at moderate doses, with MDA reduced by 26% and H2O2 by 21% at 3.0%, while the 4.5% application increased some stress markers (MDA + 18%) alongside certain growth and enzymatic parameters, suggesting a dual effect. Soil enzyme activities such as urease (29%), dehydrogenase (27%), and catalase (21%) increased, accompanied by slight rises in pH (3%) and electrical conductivity (6%), reflecting enhanced microbial activity and nutrient cycling. These findings demonstrate gyttja's potential as a multifunctional organic amendment that supports plant vigor and improves soil health in semi-arid environments. However, high application rates may induce stress, highlighting the importance of dose optimization. Gyttja can be considered a promising component of sustainable agricultural systems, particularly for nutrient-poor soils, but further field-scale research is needed to confirm its long-term effectiveness. This study provides novel evidence on the multifunctional role of gyttja in enhancing plant growth and soil health under semi-arid conditions, offering valuable insights for its integration into sustainable agricultural practices across nutrient-poor regions.Trial RegistrationThis study does not involve any human participants and is therefore not a clinical trial.
期刊介绍:
BMC Plant Biology is an open access, peer-reviewed journal that considers articles on all aspects of plant biology, including molecular, cellular, tissue, organ and whole organism research.