Effect of Potassium Solubilizing Bacteria and Humic Acid on Faba Bean (Vicia faba L.) Plants Grown on Sandy Loam Soils

Ding, Zheli; Ali, Esmat F.; Almaroai, Yaser A.; Eissa, Mamdouh A.; Abeed, Amany H.A.

doi:10.1007/s42729-020-00401-z

Cited by 25 publications

(21 citation statements)

References 38 publications

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“…Additionally, Qin and Leskovar ( 2020 ) and Zhang et al ( 2018 ) found a significant correlation between increasing soil OC and water productivity due to the formation of water-stable macroaggregates under soil humic substance application. Our data showed that the addition of HA 0.2 or HA 0.4 to soil significantly resulted in a slight and significant, respectively, increase in EC e and decrease in pH level, which is in line with Ding et al ( 2021 ) for HA application. These changes could be due to the high CEC of HA due to its active functional groups, such as -COO, -OH, and -NH 2 (Wang et al 2019 ), nutrient contents, and active organic acids.…”

Section: Discussionsupporting

confidence: 92%

“…Comparable observations were reported by Zanin et al ( 2019 ) and Nasiroleslami et al ( 2021 ), who found that root and shoot growth traits and leaf chlorophyll content showed a higher response to HA application in wheat. This might be due to improved soil characteristics, particularly those related to soil moisture retention, soil aeration porosity, bioavailability and uptake of macro- and micro-nutrients, and soil microbial activity that positively reflected root length, photosynthetic and physiological parameters, and ultimately growth and productivity (Liu et al 2019 ; Zhou et al 2019 ; Ding et al 2021 ).…”

Section: Discussionmentioning

confidence: 99%

“…Owing to the diverse reactive surface of HA functional groups, such as -COO, -OH, and -NH 2 (Wang et al 2019 ), HA has a high tendency to form stable colloidal aggregates that provide potential binding sites for chelating macro- and micro-nutrients and consequently improve soil fertility. Of the HSs, HA is a dissoluble material at a basic pH that can modulate soil properties and plant nutrient bioavailability and consequently boost photosynthetic activity (Ding et al 2021 ) and crop productivity in sandy loam soil (Khan et al 2018 ). Soil-applied HA can have beneficial direct physio-biochemical effects on plants, such as increasing the membrane permeability of plant roots (Muscolo et al 2007 ), boosting metabolic processes, prompting nutrient uptake, activating beneficial soil microbiota (Liu et al 2019 ), and augmenting protein biosynthesis and putative hormone-like activities (Nardi et al 2018 ).…”

Section: Introductionmentioning

confidence: 99%

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Integrative Soil Application of Humic Acid and Foliar Plant Growth Stimulants Improves Soil Properties and Wheat Yield and Quality in Nutrient-Poor Sandy Soil of a Semiarid Region

Tahoun

El-Enin

Mancy

et al. 2022

J Soil Sci Plant Nutr

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Sandy soils (containing > 50% sand) are widely distributed worldwide and are characterized by their poor structure, low organic matter, weak hydraulic and nutritional properties, and low crop productivity. Using a 2-year pot experiment, in this study, we investigated the effects of humic acid (HA) as a soil amendment and study two plant growth stimulants (PGSs), zinc oxide nanoparticles (ZnONPs), and L-tryptophan (L-TRP), as a foliar application on wheat grown in nutrient-poor sandy soil. Three HA rates (0 (HA0), 0.2 (HA0.2), and 0.4 (HA0.4) g kg−1 soil) and five PGS levels [control, 50 mg l−1 (ZnONPs50), 100 mg l−1 (ZnONPs100), 0.25 mmol l−1 (L-TRP0.25), and 0.5 mmol l−1 (L-TRP0.5)] were used. The soil hydro-physico-chemical properties, morpho-physiological responses, yield, and quality were measured. HA addition amended the soil structure by allowing rapid macroaggregate formation, decreasing bulk density and pH, and increasing porosity and electrical conductivity, thereby improving soil hydraulic properties. HA0.2 and HA0.4 additions improved growth, yield components, and grain minerals, resulting in higher grain yield by 28.3–54.4%, grain protein by 10.2–13.4%, wet gluten by 18.2–23.3%, and dry gluten by 23.5–29.5%, respectively, than HA0. Foliar application of ZnONPs or L-TRP, especially at higher concentrations compared to the control, noticeably recorded the same positive results as HA treatments. The best results were achieved through the integration of HA0.4 + ZnONPs100 or L-TRP0.5 to the tested nutrient-poor sandy soil. The interactive application of HA0.4 + ZnONPs100 or L-TRP0.5 and the use of mineral fertilizer, which is considered a surplus point in permaculture, can be recommended for sustainable wheat production in nutrient-poor sandy soil.

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Section: Discussionsupporting

confidence: 92%

Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Integrative Soil Application of Humic Acid and Foliar Plant Growth Stimulants Improves Soil Properties and Wheat Yield and Quality in Nutrient-Poor Sandy Soil of a Semiarid Region

Tahoun

El-Enin

Mancy

et al. 2022

J Soil Sci Plant Nutr

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“…Potassium is ranked at third position as crucial plant nutrient after nitrogen and phosphorous ( Ding et al, 2021 ; Patel et al, 2021 ). Potassium is available in plentiful amount in the soil but only a small fraction (1–2%) of it is available to plants.…”

Section: Types Of Biofertilizersmentioning

confidence: 99%

“… Ding et al (2021) applied 50 and 100% of K recommended dose with or without potassium solubilizing bacteria (PSB) and 40 kg of humic acid (HA) ha −1 to faba bean ( Vicia faba L., cv. Giza 843) plants grown in sandy loam soils.…”

Section: Types Of Biofertilizersmentioning

confidence: 99%

Biofertilizers: An ecofriendly technology for nutrient recycling and environmental sustainability

Kumar

Diksha

Sindhu

et al. 2022

Current Research in Microbial Sciences

248

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Highlights Agriculture plays an important role in a country's economy. In modern intensive agricultural practices, chemical fertilizers and pesticides are applied on large scale to increase crop production in order to meet the nutritional requirements of the ever-increasing world population. However, rapid urbanization with shrinking agricultural lands, dramatic change in climatic conditions and extensive use of agrochemicals in agricultural practices has been found to cause environmental disturbances and public health hazards affecting food security and sustainability in agriculture. Besides this, agriculture soils are continuously losing their quality and physical properties as well as their chemical (imbalance of nutrients) and biological health due to indiscriminate use of agrochemicals. Plant-associated microbes with their plant growth- promoting traits have enormous potential to solve these challenges and play a crucial role in enhancing plant biomass and crop yield under greenhouse and field conditions. The beneficial mechanisms of plant growth improvement include enhanced availability of nutrients (i.e., N, P, K, Zn and S), phytohormone modulation, biocontrol of phytopathogens and amelioration of biotic and abiotic stresses. This plant-microbe interplay is indispensable for sustainable agriculture and these microbes may perform essential role as an ecological engineer to reduce the use of chemical fertilizers. Various steps involved for production of solid-based or liquid biofertilizer formulation include inoculum preparation, addition of cell protectants such as glycerol, lactose, starch, a good carrier material, proper packaging and best delivery methods. In addition, recent developments of formulation include entrapment/microencapsulation, nano-immobilization of microbial bioinoculants and biofilm-based biofertilizers. Thus, inoculation with beneficial microbes has emerged as an innovative eco-friendly technology to feed global population with available resources. This review critically examines the current state-of-art on use of microbial strains as biofertilizers in different crop systems for sustainable agriculture and in maintaining soil fertility and enhancing crop productivity. It is believed that acquisition of advanced knowledge of plant-PGPR interactions, bioengineering of microbial communities to improve the performance of biofertilizers under field conditions, will help in devising strategies for sustainable, environment-friendly and climate smart agricultural technologies to deliver short and long terms solutions for improving crop productivity to feed the world in a more sustainable manner.

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Microbial Inoculants for Improved Soil Nutrient Accessibility and Maintenance of Soil Fertility

Dhaigude,

Chaudhary,

Gore

et al. 2024

Interdisciplinary Biotechnological Advances

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Effect of Potassium Solubilizing Bacteria and Humic Acid on Faba Bean (Vicia faba L.) Plants Grown on Sandy Loam Soils

Cited by 25 publications

References 38 publications

Integrative Soil Application of Humic Acid and Foliar Plant Growth Stimulants Improves Soil Properties and Wheat Yield and Quality in Nutrient-Poor Sandy Soil of a Semiarid Region

Integrative Soil Application of Humic Acid and Foliar Plant Growth Stimulants Improves Soil Properties and Wheat Yield and Quality in Nutrient-Poor Sandy Soil of a Semiarid Region

Biofertilizers: An ecofriendly technology for nutrient recycling and environmental sustainability

Microbial Inoculants for Improved Soil Nutrient Accessibility and Maintenance of Soil Fertility

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