Fulvic Acid Fertilizer Improves Garlic Yield and Soil Nutrient Status

Lv, Dongqing; Sun, Han; Zhang, Minggu; Li, Chengliang

doi:10.1007/s10343-022-00644-z

Cited by 11 publications

(6 citation statements)

References 40 publications

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Section: Discussionsupporting

confidence: 93%

“…Thus, fulvic acid effectively inhibits the transformation of activated nutrients into invalid states, continuously regulates the transformation of nutrient forms, and improves the long-term performance of nutrients, so its effect is highly significant in the middle and late stages. This finding is similar to the research results of Lv et al (2022) and Yao et al (2022b). The input of exogenous biomass directly increases the energy substrate of the beach soil, leading to a significant increase in the total amount of soil organic matter and nutrients.…”

Section: Processes and Effects Of Treatment With Exogenous Organic Ac...supporting

confidence: 90%

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Biomass composite with exogenous organic acid addition supports the growth of sweet sorghum (Sorghum bicolor ‘Dochna’) by reducing salinity and increasing nutrient levels in coastal saline–alkaline soil

et al. 2023

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IntroductionIn coastal saline lands, organic matter is scarce and saline stress is high. Exploring the promotion effect of intervention with organic acid from biological materials on soil improvement and thus forage output and determining the related mechanism are beneficial to the potential cultivation and resourceful, high-value utilization of coastal mudflats as back-up arable land.MethodThree exogenous organic acids [humic acid (H), fulvic acid (F), and citric acid (C)] were combined with four kinds of biomass materials [cottonseed hull (CH), cow manure (CM), grass charcoal (GC), and pine needle (PN)] and applied to about 0.3% of medium-salt mudflat soil. The salinity and nutrient dynamics of the soil and the growth and physiological differences of sweet sorghum at the seedling, elongation, and heading stages were observed under different treatments to screen for efficient combinations and analyze the intrinsic causes and influencing mechanisms.ResultsThe soil salinity, nutrient dynamics, and forage grass biological yield during sweet sorghum cultivation in saline soils differed significantly (p < 0.05) depending on the type of organic acid–biomass composite applied. Citric acid–pine needle composite substantially reduced the soil salinity and increased the soil nutrient content at the seedling stage and improved the root vigor and photosynthesis of sweet sorghum by increasing its stress tolerance, allowing plant morphological restructuring for a high biological yield. The improvement effect of fulvic acid–pine needle or fulvic acid–cow manure composite was manifested at the elongation and heading stages.DiscussionCitric acid–pine needle composite promoted the growth of saline sweet sorghum seedlings, and the effect of fulvic acid–pine needle composite lasted until the middle and late stages.

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Section: Discussionsupporting

confidence: 93%

Section: Processes and Effects Of Treatment With Exogenous Organic Ac...supporting

confidence: 90%

Biomass composite with exogenous organic acid addition supports the growth of sweet sorghum (Sorghum bicolor ‘Dochna’) by reducing salinity and increasing nutrient levels in coastal saline–alkaline soil

et al. 2023

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“…Many studies have found that FA has great potential in improving stress resistance, increasing crop yield and maintaining sustainable agricultural development [5,[28][29][30]. FA could promote photosynthetic capacity by increasing Pn, Tr, Gs and Ci.…”

Section: Discussionmentioning

confidence: 99%

Fulvic Acid Alleviates the Toxicity Induced by Calcium Nitrate Stress by Regulating Antioxidant and Photosynthetic Capacities and Nitrate Accumulation in Chinese Flowering Cabbage Seedlings

Wu,

Zhang,

Chu

et al. 2023

Applied Sciences

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Continuous cropping can lead to an excessive accumulation of nitrate in facility-cultured soil. Excessive accumulation of nitrate gradually becomes the main reason for crop failure in vegetables and endangers human health. Therefore, the exploration of effective measures to decrease abundant nitrate accumulation in Chinese flowering cabbage is indispensable. In this study, a kind of plant growth regulator, fulvic acid (FA), was used to study its positive effect on alleviating the growth inhibition induced by excessive Ca(NO3)2 in Chinese flowering cabbage. Meanwhile, we conducted hydroponic cultivation and measured the growth indices, photosynthetic and oxidation-reduction characteristics of Chinese flowering cabbage with different treatments. After determining the optimal treatment concentration, we mainly designed four treatment groups, including Con, FA, Ca(NO3)2 and FA + Ca(NO3)2 cotreatment, to explore the regulatory mechanism by which FA alleviates Ca(NO3)2 stress in Chinese flowering cabbage. The results showed that FA can effectively alleviate the inhibitory effect of excessive Ca(NO3)2 on the growth of Chinese flowering cabbage seedlings. FA recovered the photosynthetic capacity of seedlings under Ca(NO3)2 stress. In addition, FA depressed the accumulation of O2·−, H2O2, malondialdehyde (MDA) and relative electrical conductivity, but increased the activity of antioxidant enzymes, including SOD, POD, CAT and APX, which finally enhanced the stress resistance of Chinese flowering cabbage to Ca(NO3)2. The expression of nitrate-related transporters, BcNRT1.1 and BcNRT1.5, was depressed by FA, which inhibited redundant nitrate absorption and restricted more nitrate from being stored in the roots instead of being transferred to the shoot. Ultimately, nitrate accumulation in the edible part was reduced in Chinese flowering cabbage seedlings. In general, exogenous FA may alleviate nitrate stress by improving oxidation resistance, photosynthetic capacity and redundant Ca(NO3)2 accumulation in Chinese flowering cabbage.

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“…9,10 Because the composition (carboxylic acid, amino acids, quinones, and aromatic hydroxyl) and properties of small molecular substances are similar to those of fulvic acid (FA), they are named fulvic-like acid (FLA). 11 Meanwhile, the abundant FLA could meet the needs of plants and reduce the activity of heavy metals (HMs) in SFC. 12 Compared with traditional compost, AOPs have the advantages of short humification time, simple process, and low cost.…”

Section: ■ Introductionmentioning

confidence: 99%

“…In the AOPs, the free radicals are strong oxidants and could enhance the composting process (i.e., Le Chatelier’s principle). At the same time, the macromolecular substances in the SFC could be rapidly decomposed to produce small molecular substances and most of the harmful bacteria are eliminated. , Because the composition (carboxylic acid, amino acids, quinones, and aromatic hydroxyl) and properties of small molecular substances are similar to those of fulvic acid (FA), they are named fulvic-like acid (FLA) . Meanwhile, the abundant FLA could meet the needs of plants and reduce the activity of heavy metals (HMs) in SFC .…”

Section: Introductionmentioning

confidence: 99%

Alkali-Activated Potassium Persulfate Treatment of Sugarcane Filter Cake for the Rapid Production of Fulvic-like-Acid Fertilizer

Cai,

Kong,

Zhang

et al. 2023

ACS Sustainable Chem. Eng.

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In recent years, alkali activation for potassium persulfate (PS) treatment has been proven a promising method in the advanced oxidation processes. However, the majority of studies have focused on water pollution control and remediation processes. There are few reports on the application of PS to transform organic solid waste into a resource. In this study, the sugarcane filter cake (SFC) was treated with PS activated by calcium hydroxide (CH) to convert it into an organic fertilizer (CH-PS/ SFC) with high amounts of fulvic-like acid (FLA). CH-PS/SFC could also be used to remediate the acid soil and immobilize heavy metals (HMs). Due to the simple structure and high sucrose content of SFC, the sucrosesaturated solution was to investigate the CH-PS treatment and the result was the production of a large amount of (785.7 mg/g) after 2 h. In optimal conditions, the yield of FLA in CH-PS/SFC could reach 316.8 mg/g, and the subsequent use as a fertilizer offered a germination index of over 80% and a decrease in the leachability of HMs. In addition, in the humification the maximum temperature was found to be 80.3 °C and the moisture decreased by 20% during the humification of SFC. Furthermore, pot experiments showed that CH-PS/SFC could promote Chinese cabbage growth, decrease the yellow leaves rate, and decrease the absorption of HMs by Chinese cabbage.

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Fulvic Acid Fertilizer Improves Garlic Yield and Soil Nutrient Status

Cited by 11 publications

References 40 publications

Biomass composite with exogenous organic acid addition supports the growth of sweet sorghum (Sorghum bicolor ‘Dochna’) by reducing salinity and increasing nutrient levels in coastal saline–alkaline soil

Biomass composite with exogenous organic acid addition supports the growth of sweet sorghum (Sorghum bicolor ‘Dochna’) by reducing salinity and increasing nutrient levels in coastal saline–alkaline soil

Fulvic Acid Alleviates the Toxicity Induced by Calcium Nitrate Stress by Regulating Antioxidant and Photosynthetic Capacities and Nitrate Accumulation in Chinese Flowering Cabbage Seedlings

Alkali-Activated Potassium Persulfate Treatment of Sugarcane Filter Cake for the Rapid Production of Fulvic-like-Acid Fertilizer

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