The Effect of Humic Acid and Biochar on Growth and Nutrients Uptake of Calendula (<i>Calendula officinalis</i>L.)

Karimi, Ehsan; Shirmardi, Mostafa; Ardakani, M Dehestani; Gholamnezhad, Jalal; Zarebanadkouki, Mohsen

doi:10.1080/00103624.2020.1791157

Cited by 23 publications

(10 citation statements)

References 43 publications

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“…During the research period, the positive effect after plant and soil were treated with HS and VC treatments on macronutrient concentrations compared to control and mineral fertilizers confirms similar findings [37 -39]. Our findings concerning the effect of VC and HA on nutrient contents are in line with the results reported in a study [40] that found that the use of HA and organic sources significantly increased the concentration of P, K in the leaves of the Calendula plant. The application of ALCRI-Help and ALCRI-Help-M as a humic substance foliar treatment enhanced the N, P, and K concentrations, spike length, harvest index, and biological yield of the wheat plant [19,41].…”

Section: Fig (1)supporting

confidence: 91%

The Biological Correction Using Humic Substances, Vermicompost, and Azospirillum as an Optimum Way of Optimizing Plant Production and Enhancing Soil Micronutrients in Arid Regions

Hafez¹,

Popov²,

Rashad³

2022

TOASJ

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Aims: This field experiment aimed to investigate the effect of using foliar treatments and applying different fertilizers on wheat (TriticumaestivumL.) growth, productivity, and soil fertility under arid conditions. Background: Agriculture is a critical socio-economic sector in Egypt, generating approximately 10 to 15% of the national gross domestic product. Abiotic stresses arising from climate change negate crop growth and yield, leading to food insecurity. Methods: Six treatments were carried out in the order: CK (control without amendment); NPK (mineral fertilizer: mineral fertilizers, 38 g/m2 of urea (46% of N), 10 g/m2 of calcium phosphate (45% of P2O5), 12 g/m2 of potassium sulfate (50% of K2O)); Azospirillum brasilense (Az), bacteria were soaked with the seeds for 4 hours before sowing and introduced three-time into the soil with irrigation water at 0.7 ml/m2; vermicompost (VC) applied to the soil (2.5 kg/m2); humic substances (0.5 ml/m2) for foliar inoculation (HS); HS + micronutrients (HS-M) soil application (1 ml/m2) with irrigation water. All treatments were applied as soil additives and foliar spray to wheat plants at 31±1 °C for the first two months from seed sowing in calcareous soil. Analysis of variance (ANOVA) of experimental data showed the significance of positive effects of all treatments on soil fertility and plant growth compared to the control and NPK treatments. Results: The HS and VC treatments had positive effects on the development of plant nutrition, wheat growth, soil pH, and plant availability of micronutrients, which was also reflected in the wheat grain yield and water use efficiency. It was also evident that treating the plants and soil with HS-M increased wheat yield from 3.45 to 8.97 t ha-1 (260%) compared to the control. On the other hand, VC and Az treatments increased the grain yield by 278% and 267%, respectively, compared to control and NPK treatments. The water use efficiency (kg grain / m3) values increased by 279, 268, 262, 258, and 139% for HS-M, HS, VC, Az, and NPK treatments, respectively, compared to CK. The plants' total N, P, and K content were higher with all organic and biological treatments than NPK and control. Conclusion: This study has shown that the HS, Az, VC, and HS-M soil additives and foliar applications significantly (p ≤ 0.05) increased the status of Fe, Zn, Mn, Cu, and B in soil, plant growth rate, grain yield, 1000 grain weight, water use efficiency, and soil macro-nutrient of wheat plants growing on calcareous soil.

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Section: Fig (1)supporting

confidence: 91%

The Biological Correction Using Humic Substances, Vermicompost, and Azospirillum as an Optimum Way of Optimizing Plant Production and Enhancing Soil Micronutrients in Arid Regions

Hafez¹,

Popov²,

Rashad³

2022

TOASJ

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“…For instance, Yang and Zhang (2022) reported increased chlorophyll content of the ornamental plant Centaurea cyanus L. in response to BC supplementation relative to control plants. Likewise, BC and humic acid treatments improved chlorophyll content in calendula ( Calendula officinalis L.) compared to controls ( Karimi et al., 2020 ). In fenugreek ( Trigonella foenum-graecum ), Jabborova et al.…”

Section: Biochar Alters Phytohormones and Improves The Photosynthesis...mentioning

confidence: 99%

Biochar: An emerging recipe for designing sustainable horticulture under climate change scenarios

Zulfiqar

Moosa²,

Nazir³

et al. 2022

Front. Plant Sci.

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The interest in sustainable horticulture has recently increased, given anthropogenic climate change. The increasing global population will exacerbate the climate change situation induced by human activities. This will elevate global food demands and the vulnerability of horticultural systems, with severe concerns related to natural resource availability and usage. Sustainable horticulture involves adopting eco-friendly strategies to boost yields while maintaining environmental conservation. Biochar (BC), a carbon-rich material, is widely used in farming to improve soil physical and chemical properties and as an organic substitute for peat in growing media. BC amendments to soil or growing media improve seedling growth, increase photosynthetic pigments, and enhances photosynthesis, thus improving crop productivity. Soil BC incorporation improves abiotic and biotic stress tolerance, which are significant constraints in horticulture. BC application also improves disease control to an acceptable level or enhance plant resistance to pathogens. Moreover, BC amendments in contaminated soil decrease the uptake of potentially hazardous metals, thus minimizing their harmful effects on humans. This review summarizes the most recent knowledge related to BC use in sustainable horticulture. This includes the effect of BC on enhancing horticultural crop production and inducing resistance to major abiotic and biotic stresses. It also discuss major gaps and future directions for exploiting BC technology.

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“…Pero debido al alto costo de los fertilizantes químicos, actualmente los productores de mango buscan una alternativa que permita mejorar el desarrollo y rendimiento de frutos, pero que a la vez permita reducir el uso de fertilizantes químicos. Se ha reportado que los AH mejoran la absorción de nutrientes por las plantas (Saidimoradi et al 2019, Karimi et al 2020, Izhar et al 2020, por lo tanto, pueden representar una alternativa para reducir el uso de fertilizantes químicos y garantizar el desarrollo adecuado del cultivo. Se observó que el peso fresco de fruto fue afectado estadísticamente por la dosis de NPK, la dosis de AH y por la interacción de las dosis de NPK y AH (Tabla 1), mostrando que las plantas de mango a las que se les aplicó 70 g planta −1 de AH en combinación de 100% de NPK presentaron mayor peso fresco de fruto (248.3 g fruto −1 ) en comparación al obtenido con las dosis del 70 y 130% de NPK, superándolo por un 15.39 y 5.36%, respectivamente.…”

Section: Resultados Y Discusiónunclassified

Los ácidos húmicos reducen la adición de NPK y mejoran la calidad de mango

García-Santiago,

González-Fuentes,

Rojas-Duarte

et al. 2023

Ecosist. Recur. Agropec.

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El objetivo de este estudio fue demostrar que los ácidos húmicos (AH) reducen el uso de fertilizantes químicos e incrementan la calidad de frutos de mango cv. Ataulfo. Se utilizó un diseño completamente al azar con arreglo factorial 3x2. Los tratamientos evaluados fueron tres dosis de NPK (70, 100 y 130%) y dos dosis de AH (70 y 100 g planta−1). Los resultados muestran que al aplicar 70% de NPK en combinación de 100 g planta−1 de AH se obtuvo diferencia significativa en el peso fresco y diámetro polar de fruto; mientras que, al agregar 130% de NPK con 70 g planta−1 de AH se logró el mayor contenido de sólidos solubles totales y acidez titulable; en tanto que, el mayor contenido de vitamina C en los frutos se alcanzó al aplicar 100% de NPK con 100 g planta−1 de AH.

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The Effect of Humic Acid and Biochar on Growth and Nutrients Uptake of Calendula (Calendula officinalisL.)

Cited by 23 publications

References 43 publications

The Biological Correction Using Humic Substances, Vermicompost, and Azospirillum as an Optimum Way of Optimizing Plant Production and Enhancing Soil Micronutrients in Arid Regions

The Biological Correction Using Humic Substances, Vermicompost, and Azospirillum as an Optimum Way of Optimizing Plant Production and Enhancing Soil Micronutrients in Arid Regions

Biochar: An emerging recipe for designing sustainable horticulture under climate change scenarios

Los ácidos húmicos reducen la adición de NPK y mejoran la calidad de mango

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