Microbial degradation of poultry feather biomass in a constructed bioreactor and application of hydrolysate as bioenhancer to vegetable crops

Gurav, Ranjit; Nalavade, Virdhaval; Aware, Chetan; Vyavahare, Govind; Bhatia, Shashi Kant; Yang, Yung‐Hun; Bapat, Vishwas A.; Jadhav, Jyoti P.

doi:10.1007/s11356-019-06536-6

Cited by 24 publications

(11 citation statements)

References 38 publications

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“…Apart from the co-inoculation approach, protein hydrolysates derived from the microbial degradation of chicken feathers was tested as foliar spray for its plant growth ability on vegetable crops [ 60 ]. While different modes of fertilizer supplementation have been for microbial biofertilizers and liquid digestates from anaerobic digestion or composting, it has not been evaluated extensively for liquid fertilizers from microbially valorised wastes.…”

Section: Discussionmentioning

confidence: 99%

An Insight into Microbial Inoculants for Bioconversion of Waste Biomass into Sustainable “Bio-Organic” Fertilizers: A Bibliometric Analysis and Systematic Literature Review

Kiruba

Saeid

2022

IJMS

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The plant-microbe holobiont has garnered considerable attention in recent years, highlighting its importance as an ecological unit. Similarly, manipulation of the microbial entities involved in the rhizospheric microbiome for sustainable agriculture has also been in the limelight, generating several commercial bioformulations to enhance crop yield and pest resistance. These bioformulations were termed biofertilizers, with the consistent existence and evolution of different types. However, an emerging area of interest has recently focused on the application of these microorganisms for waste valorization and the production of “bio-organic” fertilizers as a result. In this study, we performed a bibliometric analysis and systematic review of the literature retrieved from Scopus and Web of Science to determine the type of microbial inoculants used for the bioconversion of waste into “bio-organic” fertilizers. The Bacillus, Acidothiobacillus species, cyanobacterial biomass species, Aspergillus sp. and Trichoderma sp. were identified to be consistently used for the recovery of nutrients and bioconversion of wastes used for the promotion of plant growth. Cyanobacterial strains were used predominantly for wastewater treatment, while Bacillus, Acidothiobacillus, and Aspergillus were used on a wide variety of wastes such as sawdust, agricultural waste, poultry bone meal, crustacean shell waste, food waste, and wastewater treatment plant (WWTP) sewage sludge ash. Several bioconversion strategies were observed such as submerged fermentation, solid-state fermentation, aerobic composting, granulation with microbiological activation, and biodegradation. Diverse groups of microorganisms (bacteria and fungi) with different enzymatic functionalities such as chitinolysis, lignocellulolytic, and proteolysis, in addition to their plant growth promoting properties being explored as a consortium for application as an inoculum waste bioconversion to fertilizers. Combining the efficiency of such functional and compatible microbial species for efficient bioconversion as well as higher plant growth and crop yield is an enticing opportunity for “bio-organic” fertilizer research.

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Section: Discussionmentioning

confidence: 99%

An Insight into Microbial Inoculants for Bioconversion of Waste Biomass into Sustainable “Bio-Organic” Fertilizers: A Bibliometric Analysis and Systematic Literature Review

Kiruba

Saeid

2022

IJMS

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“…Our results agree with previous findings that have been reported by ref. [ 34 ] showing that poultry feather hydrolysate, as a bioenhancer, positively impacted the growth and development of brinjal and chilli plants, along with early flowering and improved crop yield. Similarly, [ 35 ] stated that biochar applications alleviated the negative impacts of drought stress on plant growth characteristics of cabbage seedlings.…”

Section: Discussionmentioning

confidence: 99%

Alleviation of Associated Drought and Salinity Stress’ Detrimental Impacts on an Eggplant Cultivar (‘Bonica F1’) by Adding Biochar

Hannachi

Signore

Mechi

2023

Plants

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To investigate the impact of biochar on eggplant growth, physiology, and yield parameters under separate and associated drought and salt stress, a pot experiment was carried out. An eggplant variety (‘Bonica F1’) was exposed to one NaCl concentration (S1 = 300 mM), three irrigation regimes (FI: full irrigation; DI: deficit irrigation; ARD: alternate root-zone drying irrigation), and one dose of biochar (B1 = 6% by weight). Our findings demonstrated that associated drought and salt stress had a greater negative impact on ‘Bonica F1’ performance in comparison to single drought or salt stress. Whereas, adding biochar to the soil improved the ability of ‘Bonica F1’ to alleviate the single and associated effects of salt and drought stress. Moreover, in comparison to DI under salinity, biochar addition in ARD significantly increased plant height, aerial biomass, fruit number per plant, and mean fresh weight per fruit by 18.4%, 39.7%, 37.5%, and 36.3%, respectively. Furthermore, under limited and saline irrigation, photosynthetic rate (An), transpiration rate (E), and stomatal conductance (gs) declined. In addition, the interaction between ARD and biochar effectively restored the equilibrium between the plant chemical signal (ABA) and hydraulic signal (leaf water potential). As a result, mainly under salt stress, with ARD treatment, intrinsic water use efficiency (WUEi) and yield traits were much higher than those in DI. Overall, biochar in combination with ARD could be an efficient approach for preserving crop productivity.

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“…Second, the microorganisms used in waste treatment will be another source of nutrients for the plant growth. The microbial products of feathers can be used as a fertilizer to improve the growth of plants (Gurav et al, 2020 ; Ortiz and Sansinenea, 2021 ). Third, the microorganisms can also play a role in absorbing the excess inorganic nutrient in soil released from synthesized fertilizers to prevent nutrient loss (Maitra et al, 2022 ).…”

Section: Converting Keratin To Biofertilizersmentioning

confidence: 99%

Perspectives on Converting Keratin-Containing Wastes Into Biofertilizers for Sustainable Agriculture

2022

Front. Microbiol.

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Keratin-containing wastes become pollution to the environment if they are not treated properly. On the other hand, these wastes can be converted into value-added products applicable to many fields. Organic fertilizers and biofertilizers are important for sustainable agriculture by providing nutrients to enhance the growth speed of the plant and production. Keratin-containing wastes, therefore, will be an important resource to produce organic fertilizers. Many microorganisms exhibit capabilities to degrade keratins making them attractive to convert keratin-containing wastes into valuable products. In this review, the progress in microbial degradation of keratins is summarized. In addition, perspectives in converting keratin into bio- and organic fertilizers for agriculture are described. With proper treatment, feather wastes which are rich in keratin can be converted into high-value fertilizers to serve as nutrients for plants, reduce environmental pressure and improve the quality of the soil for sustainable agriculture.

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Microbial degradation of poultry feather biomass in a constructed bioreactor and application of hydrolysate as bioenhancer to vegetable crops

Cited by 24 publications

References 38 publications

An Insight into Microbial Inoculants for Bioconversion of Waste Biomass into Sustainable “Bio-Organic” Fertilizers: A Bibliometric Analysis and Systematic Literature Review

An Insight into Microbial Inoculants for Bioconversion of Waste Biomass into Sustainable “Bio-Organic” Fertilizers: A Bibliometric Analysis and Systematic Literature Review

Alleviation of Associated Drought and Salinity Stress’ Detrimental Impacts on an Eggplant Cultivar (‘Bonica F1’) by Adding Biochar

Perspectives on Converting Keratin-Containing Wastes Into Biofertilizers for Sustainable Agriculture

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