Synergistic action of humic acid substances and bio-inoculants in guava (<i>Psidium guajava</i>L.): impact on growth traits, fruiting, nutrient profiling and rhizosphere stochiometry in meadow rainy season plant-soil interface

Ashwini, N.; Kumar, Pramod; Joshi, Arunabh; Sharma, Nivedita; Sharma, Nisha

doi:10.1080/01904167.2022.2046069

Cited by 2 publications

(1 citation statement)

References 39 publications

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“…Peppers grown in humic acids derived from vermicomposts produced from food waste of food have considerably more blooming fruits than peppers grown in commercially obtained humic acids 7 . Similarly, the growth characteristics, fruiting, nutrient profiling, and rhizosphere stochiometry of guava ( Psidium guajava L.) in grassland wet season plant-soil interaction are all impacted by the synergistic action of humic acid substances 8 . Likewise, in a field trial, the application of humic acid increased maize yield by 44.20% in Cadmium-contaminated alkaline cropland 9 .…”

Section: Introductionmentioning

confidence: 99%

Compost and humic acid amendments are a practicable solution to rehabilitate weak arid soil for higher winter field pea production

Muhammad,

Shaukat,

Yasin

et al. 2023

Sci Rep

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Arid soils are often weak, low in fertility, and lack essential plant nutrients. Organic amendments might be a feasible solution to counter the detrimental impact and rehabilitate weak arid soil for the growth of legumes. The study aimed to investigate how organic amendments of compost and humic acid may affect winter field pea productivity in arid soil. Over 2 years of field experiments, a range of treatments were applied, including different amounts of compost and humic acid. The results showed higher microbial carbon (C), and nitrogen (N) biomass, root length, shoot length, grains pod−1, and grain yield of pea, gained from the collective application of 8 Mg ha−1 compost and 15 kg ha−1 humic acid compared to all other treatments. Organic amendments increased soil microbial C density by 67.0 to 83.0% and N biomass by 46.0 to 88.0% compared with the control. The combined application of compost and humic acid increased soil microbial N biomass by 57.0 to 60.0% compared to the sole applications of compost-only and humic acid-only. It was concluded that organic amendments of 8 Mg ha−1 compost and 15 kg ha−1 humic acid in arid soil modulated microbial density, resulting in improved winter field pea productivity. This study suggests organic amendments of compost and humic acid might be a practicable solution to rehabilitate weak arid soil to grow legumes.

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Section: Introductionmentioning

confidence: 99%

Compost and humic acid amendments are a practicable solution to rehabilitate weak arid soil for higher winter field pea production

Muhammad,

Shaukat,

Yasin

et al. 2023

Sci Rep

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Integrative approaches to improve litchi (Litchi chinensis Sonn.) plant health using bio-transformations and entomopathogenic fungi

Kumar,

Joshi,

Sharma

et al. 2024

BMC Plant Biol

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Bio-transformations refer to the chemical modifications made by an organism on a chemical compound that often involves the interaction of plants with microbes to alter the chemical composition of soil or plant. Integrating bio-transformations and entomopathogenic fungi into litchi cultivation can enhance symbiotic relationships, microbial enzymatic activity in rhizosphere, disease suppression and promote overall plant health. The integration of biological formulations and entomopathogenic fungi can significantly influence growth, nutrient dynamics, physiology, and rhizosphere microbiome of air-layered litchi ( Litchi chinensis Sonn.) saplings. Biological modifications included, K-mobilizers, AM fungi, Pseudomonas florescence and Azotobacter chroococcum along with Metarhizium , entomopathogenic fungi have been used. The treatments included, T 1 -Litchi orchard soil + sand (1:1); T 2 -Sand + AM fungi + Azotobacter chroococcum (1:2:1); T 3 -Sand + Pseudomonas florecence + K-mobilizer (1:1:1); T 4 - AM fungi + K-mobilizers (1:1); T 5 , P. Florecence + A. chroococcum + K-mobilizer (1:1:1); T 6 -Sand + P. florecence (1:2) and T 7 -Uninoculated control for field performance. Treatments T 4 -T 6 were further uniformly amended with drenching of Metarrhizium in rhizosphere. T 2 application significantly increased resident microbe survival, total chlorophyll content and root soil ratio in seedlings. A. chroococcum , Pseudomonas , K-mobilizers and AM fungi increased in microbial biomass of 2.59, 3.39, 2.42 and 2.77 times, respectively. Acidic phosphatases, dehydrogenases and alkaline phosphatases were increased in rhizosphere. Leaf nutrients reflected through DOP were considerably altered by T 2 treatment. Based on Eigen value, PCA-induced changes at biological modifications showed maximum total variance. The study inferred that the bio-transformations through microbial inoculants and entomopathogenic fungi could be an encouraging strategy to enhance the growth of plants, health and productivity. Such practices align well with the goals of sustainable agriculture through biological means by reducing dependency on chemical inputs. By delving into these aspects, the research gaps including microbial processes, competitive and symbiotic relationships, resistance in microbes and how complex interactions among bio-transformations, entomopathogenic fungi and microbes can significantly impact the health and productivity of litchi. Understanding and harnessing these interactions can le...

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Synergistic action of humic acid substances and bio-inoculants in guava (Psidium guajavaL.): impact on growth traits, fruiting, nutrient profiling and rhizosphere stochiometry in meadow rainy season plant-soil interface

Cited by 2 publications

References 39 publications

Compost and humic acid amendments are a practicable solution to rehabilitate weak arid soil for higher winter field pea production

Compost and humic acid amendments are a practicable solution to rehabilitate weak arid soil for higher winter field pea production

Integrative approaches to improve litchi (Litchi chinensis Sonn.) plant health using bio-transformations and entomopathogenic fungi

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