Soil health improvement by inoculation of indigenous microalgae in saline soil

Zhang, Chao; Yu, Xianwei; Laipan, Minwang; Wei, Ting; Guo, Junkang

doi:10.1007/s10653-023-01790-7

Cited by 3 publications

(1 citation statement)

References 68 publications

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“…At the soil level, it increases fertility, improves root modulation, increases root size, and increases the activity of rhizobacteria [ 65 ]. On the other hand, Zhang C. et al [ 86 ] reported the great potential of autochthonous microalgae from China in improving saline soils, especially in lowering pH and improving enzyme activity. The authors suggested that algalization is an environmentally friendly and effective approach to lower the pH and increase the organic matter and enzyme activity of saline soils.…”

Section: Case Studies On the Application Of Biofertilizers And Biosti...mentioning

confidence: 99%

Advances in the Development of Biofertilizers and Biostimulants from Microalgae

Miranda,

Hernandez-Tenorio,

Villalta

et al. 2024

Biology

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Microalgae have commercial potential in different sectors of the industry. Specifically in modern agriculture, they can be used because they have the ability to supply nutrients to the soil and produce plant growth hormones, polysaccharides, antimicrobial compounds, and other metabolites that improve agricultural productivity. Therefore, products formulated from microalgae as biofertilizers and biostimulants turn out to be beneficial for agriculture and are positioned as a novel and environmentally friendly strategy. However, these bioproducts present challenges in preparation that affect their shelf life due to the rapid degradation of bioformulated products. Therefore, this work aimed to provide a comprehensive review of biofertilizers and biostimulants from microalgae, for which a bibliometric analysis was carried out to establish trends using scientometric indicators, technological advances were identified in terms of formulation methods, and the global market for these bioproducts was analyzed.

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Section: Case Studies On the Application Of Biofertilizers And Biosti...mentioning

confidence: 99%

Advances in the Development of Biofertilizers and Biostimulants from Microalgae

Miranda,

Hernandez-Tenorio,

Villalta

et al. 2024

Biology

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Microalgae-based biofertilizers improve fertility and microbial community structures in the soil of potted tomato

Song,

Liu,

Feng

et al. 2024

Front. Plant Sci.

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Continuous cropping decreases soil nutrients and destroys microbial community structure, so the development of eco-friendly and effective biofertilizers is necessary under present conditions. In this study, the preserving microalgal strain Tribonema sp. (H) was firstly selected to be combined with agroforestry waste (shell powder, straw fermentation liquid) and the agroforestry microorganism Bacillus sp. to form microalgae-based fertilizers for the continuous cropping soil of potted tomato. Compared to the control (CK), microalgae-based fertilizers (concentration: 4.45 × 106 cells/ml, dosage: 20 ml/day) improved soil nutrients and salinization indicators. Specifically, the combination of Tribonema sp. and shell powder (HB) reduced electrical conductivity (EC) by 33.7% and significantly increased the Ca2+ content by 59.4%; Tribonema sp. and Bacillus sp. (HY) improved the effects of available phosphorous (AP), DOC, DON, NH4+-N, NO3−-N, and Mg2+ in the soil by 27.4%, 231.3%, 403.4%, 125.2%, 215.6%, and 73.4%, respectively. Microalgae-based fertilizers alter the abundance of soil bacteria and fungi, causing beneficial bacteria such as Thermonaerobaculia, Subgroup_10, Sordariomycetes, and Microascaceae to increase, while pathogenic bacteria like Pseudomonas, Togniniaceae, and Phaeoacremonium decreased. Combining microalgae with agroforestry wastes as a biofertilizer is promising to improve the microbial community structure of the soil with continuous cropping, which will aid in the increase of tomato production and promote green agricultural development.

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Saline–Alkali Soil Reclamation Contributes to Soil Health Improvement in China

Zhu,

Gu,

Jiang

et al. 2024

Agriculture

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Soil salinization is a significant threat to soil health, especially to the agricultural ecosystem; it reduces vegetation biomass, destroys ecosystem diversity, and limits land use efficiency. This area of investigation has garnered extensive attention in China, especially in the arid and semi-arid areas, totaling 7.66 × 106 ha. A variety of theoretical research and technology developments have contributed to soil water and salt regulation and the screening of salt-tolerant varieties to improve nutrient utilization efficiency and microbial control and reduce ecological problems due to saline-based obstacles. These techniques can be classified into physical treatments, chemical treatments, biological treatments, and combined treatments; these different measures are all aimed at primarily solving saline–alkali stress. In general, the improvement and utilization of saline–alkali soil contribute to soil health improvement, concentrating on high-quality development, food security, ecological security, cultivated land protection, and agricultural upgrading. However, the risks of various technologies in the practical production process should be highlighted; green and healthy measures are still expected to be applied to saline–alkali land.

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Soil health improvement by inoculation of indigenous microalgae in saline soil

Cited by 3 publications

References 68 publications

Advances in the Development of Biofertilizers and Biostimulants from Microalgae

Advances in the Development of Biofertilizers and Biostimulants from Microalgae

Microalgae-based biofertilizers improve fertility and microbial community structures in the soil of potted tomato

Saline–Alkali Soil Reclamation Contributes to Soil Health Improvement in China

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