通过基托基水凝增强作物弹性,作为水资源有限环境的可持续解决方案
Nurdiana Nordin1, W A Farhan W M Afifi1, S R Majid2
1Department of Chemistry, Faculty of Science, Universiti Malaya, 50603 Kuala Lumpur, Malaysia.
International journal of biological macromolecules
|November 3, 2024
概括
在干旱期间,酸盐水凝可以增强土壤的水分保留力,用于作物. 酸/酸水凝在干旱条件下表现出优越的植物生长支持,其次是酸/Pluronic F127.
科学领域:
- 农业科学 农业科学
- 材料科学 材料科学 材料科学
- 生物技术是生物技术.
背景情况:
- 干旱条件严重影响作物产量和农业可持续性.
- 有效的水资源管理策略对于保持作物生产率至关重要.
- 基于酸盐的水凝为土壤中的水留提供了有希望的可生物降解的解决方案.
研究的目的:
- 评估基托基水凝在改善干旱压力下的土壤水分和植物生长方面的有效性.
- 为了比较基托/普鲁罗尼克F127 (CS/Pl-F127) 和基托/酸 (CS/Alg-Na) 水凝与纯基托的性能.
- 描述合成水凝的物理和化学特性.
主要方法:
- 基托基水凝的合成:CS/Pl-F127和CS/Alg-Na.
- 使用富里埃变换红外光谱 (FTIR),核磁共振 (NMR) 和场辐射扫描电子显微镜 (FESEM) 的化学表征.
- 在模拟干旱条件下评估吸水能力,孔隙性,机械强度和植物芽延长率.
主要成果:
- CS/Pl-F127水凝呈现出高孔隙度和81.5%的吸水率.
- CS/Alg-Na水凝显示出更密集的网络,93.35%的吸水率,以及增强的机械强度.
- 用CS/Alg-Na水凝治疗的植物在干旱下持续增长 (7.1毫米/天) 直到33日,表现优于CS/Pl-F127和纯基多.
结论:
- 所有经过测试的基托桑基水凝都有效地提高了植物的用水效率.
- 在干旱期间,CS/Alg-Na水凝为植物生长提供了最重要的支持.
- 基于酸盐的水凝是减轻农业干旱影响的可行策略.
相关概念视频
Adaptations that Reduce Water Loss
24.4K
Though evaporation from plant leaves drives transpiration, it also results in loss of water. Because water is critical for photosynthetic reactions and other cellular processes, evolutionary pressures on plants in different environments have driven the acquisition of adaptations that reduce water loss.
24.4K
Responses to Drought and Flooding
10.2K
Water plays a significant role in the life cycle of plants. However, insufficient or excess of water can be detrimental and pose a serious threat to plants.
10.2K
Responses to Salt Stress
12.3K
Salt stress—which can be triggered by high salt concentrations in a plant’s environment—can significantly affect plant growth and crop production by influencing photosynthesis and the absorption of water and nutrients.
12.3K
Microbial Bioremediation of Hydrocarbons
161
Bioremediation is an environmentally sustainable process that employs living organisms—primarily microorganisms—to degrade or neutralize pollutants from contaminated environments. In oil spills and hydrocarbon pollution, bioremediation involves the use of hydrocarbon-degrading bacteria to transform toxic compounds into less harmful substances. This approach leverages natural microbial metabolic processes and is considered both cost-effective and ecologically favorable compared to...
161
Bioplastics
73
Bioplastics derived from microbial processes present a sustainable alternative to conventional petroleum-based plastics. Among these, polyhydroxyalkanoates (PHAs), particularly polyhydroxybutyrates (PHBs), have emerged as prominent candidates due to their biodegradability and biocompatibility. These polymers are synthesized by a variety of bacteria, such as Cupriavidus necator and Pseudomonas putida, which naturally accumulate PHAs as intracellular carbon and energy reserves, especially under...
73
Biofuels
108
The microbial conversion of organic matter into biofuels holds potential as a renewable energy source. Among biofuel sources, microalgae are recognized as a highly efficient and adaptable feedstock for biodiesel production, owing to their rapid biomass accumulation, elevated lipid productivity, and capacity to proliferate in diverse aquatic systems, including freshwater, marine, and wastewater habitats. Unlike terrestrial crops, microalgae do not compete for land and can achieve significantly...
108


