Agro-industrial waste materials and wastewater sludge for rhizobial inoculant production: A review

Rebah, Faouzi Ben; Prévost, Danielle; Yezza, Abdessalem; Tyagi, Rajeshwar Dayal

doi:10.1016/j.biortech.2006.11.066

Cited by 126 publications

(74 citation statements)

References 59 publications

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“…Most were considered inferior to peat as a carrier (Bashan 1998;Singleton et al 2002). Nonetheless, some organic inoculants made of several waste materials were tested with significant success in recent years, mainly in developing counties (Ben Rebah et al 2007). Some were tested on a large scale and others only had inoculant production reported but not its evaluation in situ.…”

Section: Inoculants Using Organic Carriersmentioning

confidence: 99%

“…Similarly, chitinolytic bacteria and actinomycetes were grown, using wheat bran as a substrate that also served as a carrier by mixing with soil to successfully control the fungus Sclerotinia minor in beans (ElTarabily et al 2000;Nassar et al 2003). Municipal and industrial wastewater sludge could be used as a sole raw material to sustain growth of rhizobia (Ben Rebah et al 2007). Slow-and fast-growing rhizobia grew well in sterile sludge.…”

Section: Inoculants Using Organic Carriersmentioning

confidence: 99%

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Advances in plant growth-promoting bacterial inoculant technology: formulations and practical perspectives (1998–2013)

Bashan¹,

de‐Bashan²,

et al. 2013

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Background Inoculation of plants to enhance yield of crops and performance of other plants is a century old, proven technology for rhizobia and a newer venue for plant growth-promoting bacteria and other plant symbionts. The two main aspects dominating the success of inoculation are the effectiveness of the bacterial isolate and the proper application technology. Scope An assessment of practical aspects of bacterial inoculants for contemporary agriculture and environmental restoration is critically evaluated from the point of view of their current technological status, current applications, and future use. This is done because there are windows of opportunity for new developments in applied research using renewable, non-contaminated natural resources and new venues for research. Special emphasis is given to formulations and polymeric carriers. This review concentrates on practical aspect of inoculation technology dating from 1998 to 2013. Earlier publications are mentioned only for clarification of a specific point. Conclusions This review discusses characteristics of a carrier for inoculants, formulations of inoculants including liquid, organic, inorganic, polymeric, and encapsulated formulations. Technical aspects include inoculation techniques (soil and seed application), mass culture production, bulk sterilization, seed coating, shelf-life, and effect of moisture. Future research venues needed are noted.

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Section: Inoculants Using Organic Carriersmentioning

confidence: 99%

Section: Inoculants Using Organic Carriersmentioning

confidence: 99%

Advances in plant growth-promoting bacterial inoculant technology: formulations and practical perspectives (1998–2013)

Bashan¹,

de‐Bashan²,

et al. 2013

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“…Diversos materiais já foram avaliados para esse fim como minerais (DAZA et al, 2000), resíduos industriais (BEN REBAH et al, 2002;BEN REBAH et al, 2007), polímeros naturais e sintéticos (DENARDIN;FREIRE, 2000;FERNANDES JúNIOR et al, 2009) e inoculantes líquidos (TITTABUTR et al, 2007;AlBAREDA et al, 2008). Para a cultura da soja os inoculantes líquidos se destacam uma vez que são adequados a aplicação em grandes plantios por facilitar a semeadura mecanizada (lUPwAyI et al, 2005).…”

Section: Introductionunclassified

Eficiência agronômica de diferentes formulações de inoculantes contendo Bradyrhizobium na cultura da soja em Roraima.

Zilli¹,

Smiderle²,

Fernandes‐Júnior³

2010

AGRO@MBIENTE

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Resumo -A tecnologia da inoculação tem permitido obter elevadas produtividades de soja sem a aplicação de nitrogênio mineral no Brasil. Para o maior sucesso desta tecnologia é importante avaliar a eficiência de diferentes formulações de inoculantes, principalmente em áreas de primeiro cultivo. Objetivou-se com este trabalho avaliar os efeitos da inoculação da soja com Bradyrhizobium nas formulações de veículo turfoso e líquido. Foram conduzidos dois experimentos em condições de campo nos anos de 2005 e 2006 com inoculação de sementes da soja da cultivar BRS Tracajá na semeadura com inoculante turfoso, inoculante líquido, um controle sem inoculação, além de um tratamento com a aplicação de 200 kg ha -1 de N. Aos 35 dias após a emergência das plantas foram avaliados o número e massa de nódulos, a massa seca e N-total da parte aérea, e, na colheita o rendimento de grãos e o acúmulo de N nos grãos. O inoculante turfoso proporcionou maior número e massa de nódulos, enquanto o fertilizante nitrogenado mineral propiciou maior massa seca e N-total da parte aérea e ambos foram superiores ao controle. A inoculação das sementes de soja com Bradyrhizobium proporcionou rendimento de grãos semelhante ao fertilizante nitrogenado com 200 kg ha -1 de N, independentemente do veículo do inoculante, evidenciando assim a eficiência da tecnologia de inoculação com ambas as formulações testadas.Palavras-chave -Glycine max. Cerrado. FBN. Veículo de inoculação. Rizóbio. Abstract -The inoculation technology has resulted in obtaining high yields of soybean grains without the application of mineral nitrogen in Brazil. The evaluation of different inoculant formulations, especially in new areas, is important to improve the success of this technology. Consequently, the aim of this study was evaluate the effects of soybean inoculation with Bradyrhizobium in the peat and liquid carrier. Two field experiments were conducted in 2005 and 2006 using soybean (cultivar BRS Tracajá) seeds inoculated with peat or liquid inoculant, a control without inoculation, and another treatment with the application of 200 kg ha -1 of N. Thirty five days after the emergence of the plants the nodules number and dry weight, dry weight and Total N in aerial plant matter, and at the harvest, grains yield and N in the grains were evaluated. The peat inoculant provided high number of nodules and dry weight, while mineral nitrogen fertilizer provided the largest plant dry matter and total N; both of these treatments were significant superior relative to the control. The soybean seeds inoculation with Bradyrhizobium provided grains yield similar to mineral nitrogen fertilization with 200 kg ha -1 of N, independently of the inoculant carrier, thereby suggesting the efficiency of this technology for both formulations tested.

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“…This compact formulation is very much advantageous for easy dissemination of the bioinoculants and for storing purpose. The encapsulation of selected bacteria has been investigated for use in soil environments in agriculture and bioremediation (Rebah et al, 2007).…”

mentioning

confidence: 99%

Development of New Bio Formulations using Spray Drying Technology

Brindavathy¹,

Gnanachitra²

2017

MAJ

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Spray drying technology is often used as an encapsulation technique by the food and microbe mediated industries. Encapsulation of microorganisms in a polymer matrix as immobilized microbial cells would facilitate such novel formulation. An experiment was conducted to investigate the best water-soluble carriers through encapsulation of Bacillus megaterium var. phosphaticum by spray drying technology. Among the carriers tested malto dextrin and soluble starch produced fine encapsulated powder with high population load of 10 7 CFU.g -1 and shelf life up to twelve months. Regarding the solubility factor malto dextrin was found to be fully soluble in water and the cells were easily suspended whereas, soluble starch had slight precipitations at the end. Further, in this study it was observed that at optimal nozzle temperature of 120 °C, the malto dextrose encapsulated product resulted with high population followed by nozzle temperature of 110°C. The best bioformulation that supported the survivability in rhizosphere was spray dried products with higher microbial load than liquid formulations and lignite based carriers.

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Agro-industrial waste materials and wastewater sludge for rhizobial inoculant production: A review

Cited by 126 publications

References 59 publications

Advances in plant growth-promoting bacterial inoculant technology: formulations and practical perspectives (1998–2013)

Advances in plant growth-promoting bacterial inoculant technology: formulations and practical perspectives (1998–2013)

Eficiência agronômica de diferentes formulações de inoculantes contendo Bradyrhizobium na cultura da soja em Roraima.

Development of New Bio Formulations using Spray Drying Technology

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