Evaluating the potential of N. calcicola and its bicarbonate resistant mutant as bioameleorating agents for ‘usar’ soil

Jaiswal, Pranita; Kashyap, A. K.; Prasanna, Radha; Singh, Pawan Kumar

doi:10.1007/s12088-009-0018-9

Cited by 17 publications

(10 citation statements)

References 19 publications

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“…In conditions (both natural and sterilized), gypsum and cyanobacteria resulted in enrichment of soil with organic carbon and reduction in ECe. Soil salinity is a pervasive problem especially in India and the reclamation of these soils is of massive practical importance to reinstate millions of acres of such barren lands once again under the plough (Jaiswal et al 2010). It is clear from the Table 2 that heterocystous cyanobacteria (Calothrix sp., Nostoc calcicola, Anabaena sp.)…”

Section: Resultsmentioning

confidence: 99%

“…Singh (1961) suggested that cyanobacteria could be used to reclaim alkaline soils because they grow successfully on saline/alkaline soils where most plants fail to grow. Pandey et al (2005), Jaiswal et al (2010) and Murtaza et al (2011) have also suggested the role of cyanobacteria in reclamation of salinealkaline soils. The objective of the present investigation was to explore the role of halotolerant cyanobacteria in bioremediation of saline-alkaline soils and to study their establishment and influence on soil properties.…”

Section: Introductionmentioning

confidence: 97%

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Cyanobacteria modulated changes and its impact on bioremediation of saline-alkaline soils

Singh¹,

Singh²

2018

Bangladesh J. Bot.

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Saline-alkaline (Usar) soils have high pH and undesirable salts on their surface. A halotolerant, heterocystous and nitrogen fixing cyanobacterium Nostoc calcicola Breb. BREB grow successfully on salinealkaline soils of Eastern Uttar Pradesh. Soil pot experimentation has been conducted in laboratory condition to study the reclamation of saline-alkaline soils collected from investigated site. Both sterilized and natural soils were taken in earthen pots to observe the changes in soil properties inoculated with cyanobacteria and gypsum. In such treated soils significant decrease in pH, ECe and Na+ have been observed with cyanobacterial application. There also occurs a significant increase in organic carbon. Experimental reclamation of such soils has been found with cyanobacteria with or without gypsum. N. calcicola + gypsum seem to be a suitable combination for reclamation of saline-alkaline soils. This study highlights that a biological amendment with halotolerant cyanobacteria and gypsum in combination shows better option for bioremediation of saline-alkaline (Usar soils).

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Section: Resultsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 97%

Cyanobacteria modulated changes and its impact on bioremediation of saline-alkaline soils

Singh¹,

Singh²

2018

Bangladesh J. Bot.

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“…The high C:N ratios of soil in the inoculated treatments also emphasize the critical role of the inoculants in enhancing carbon sequestration. The inclusion of cyanobacteria well known for their carbon sequestering ability (Jaiswal et al 2010) may have served a significant role in the C enrichment of soil.…”

Section: Discussionmentioning

confidence: 99%

Influence of co-inoculation of bacteria-cyanobacteria on crop yield and C–N sequestration in soil under rice crop

Prasanna

Joshi

Rana

et al. 2011

World J Microbiol Biotechnol

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152

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The performance of three selected bacterial strains-PR3, PR7 and PR10 (Providencia sp., Brevundimonas sp., Ochrobacterium sp.) and three cyanobacterial strains CR1, CR2 and CR3 (Anabaena sp., Calothrix sp., Anabaena sp.), and their combinations was evaluated in a pot experiment with rice variety Pusa-1460, comprising 51 treatments along with recommended fertilizer controls. Highest yield enhancement of 19.02% was recorded in T12 (CR2), over control, while significant enhancement in nitrogen fixing potential was recorded in treatments involving combination of bacterial-cyanobacterial strains-T37 (PR3 + CR1 + CR3) and T21 (PR7 + CR1). Organic carbon was significantly increased in all microbe-inoculated treatments, which could be correlated with microbial biomass carbon values and activities of all the enzymes tested in our study. Also, panicle weight and plant biomass were highly correlated with soil microbial carbon. Comparative evaluation revealed the superior performance of strains CR2, CR1 (both Anabaena sp.) and PR10 (Ochrobacterium sp.) in increasing the growth and grain yield of rice and improving soil health, besides N (nitrogen) savings of 40-80 kg ha(-1). The study for the first time illustrated the positive effects of co-inoculation of bacterial and cyanobacterial strains for integrated nutrient management of rice crop.

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“…Several researches of recent past have suggested the efficiency of cyanobacteria for remediation of salt-affected soil in laboratory studies and field trials [91][92][93][94][95]. There have been a variety of suggested mechanisms involved in reclaiming the salt-affected soils and promotion of plant growth by cyanobacteria.…”

Section: Role Of Biofertilizers In Alleviating Abiotic Stress In Planmentioning

confidence: 99%

Applications and Constraints of Plant Beneficial Microorganisms in Agriculture

Debnath¹,

Rawat²,

Mukherjee³

et al. 2020

Biostimulants in Plant Science

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At present time, chemical fertilizers are more in practice for crop production, which failed to upkeep soil and environment quality and affected the sustainability of the agricultural production system. Conversely, biofertilizers are ecosystem friendly, one of the best modern tools for agriculture, and are used to improve soil fertility and quality. Biofertilizers have now emerged as a highly potent alternative to inorganic fertilizers and offer an ecologically sound and economically attractive route for augmenting nutrient supply and increasing crop production. These include live cells of diverse genera of microorganisms and have the potential to fix atmospheric nitrogen and solubilize and mobilize plant nutrients from insoluble form through microbiological process. It has also the potential to diminish the gap between nutrient supply through fertilizers and nutrient removal by crops. Hence, biofertilizers can be a feasible option to the farmers to increase crop productivity and should find greater acceptance from the extension workers and commercial biofertilizer manufacturers. Applications and Constraints of Plant Beneficial Microorganisms in Agriculture DOI: http://dx.doi.org/10.5772/intechopen.89190 atmospheric nitrogen, which is transformed into organic nitrogenous compound. The nitrogen-fixing bacteria work under two conditions, symbiotically (Rhizobium, Frankia) and as free-living bacteria (nonsymbiotic) such as Azotobacter and Azospirillum. The N 2 -fixing bacteria associated with nonlegumes include species of Achromobacter, The most exploited symbiotic N 2 -fixing bacteria are those belonging to the family Rhizobiaceae. Rhizobium inoculants are of greatest importance because of their ability to fix atmospheric N 2 in association with certain legumes [11]. It is estimated that N 2 fixation by Rhizobium in root nodules of legumes is of the order of 14 million tons on a global scale and is almost 15% of the industrial N fixation. Yield of many legumes can be increased substantially by the use of appropriate Rhizobium cultures. For successful nodulation each legume requires a specific species of Rhizobium to form effective nodules. Many legumes may be modulated by diverse strains of rhizobia, but growth is enhanced only when nodules are produced by effective strains of rhizobia [12]. Rhizobium can be used for legumes crop and trees (e.g., lucerne) and is a crop-specific inoculant, for example, Rhizobium trifolii for berseem, Rhizobium meliloti for lucerne, Rhizobium phaseoli for green gram and black gram, Rhizobium japonicum for soya bean, Rhizobium leguminosarum for pea and lentil, Rhizobium lupini for chickpea, and Rhizobium spp. for cowpea. Rhizobium is however limited by cross-inoculation group, and only certain legumes are benefited by this symbiosis.Similar to the Rhizobium, other filamentous bacteria of genus Frankia belonging to the family Frankiaceae are found in the root nodules of nonlegumes such as trees and shrubs. These bacteria live in symbiosis with actinorhizal plants. These actinorhiza...

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Evaluating the potential of N. calcicola and its bicarbonate resistant mutant as bioameleorating agents for ‘usar’ soil

Cited by 17 publications

References 19 publications

Cyanobacteria modulated changes and its impact on bioremediation of saline-alkaline soils

Cyanobacteria modulated changes and its impact on bioremediation of saline-alkaline soils

Influence of co-inoculation of bacteria-cyanobacteria on crop yield and C–N sequestration in soil under rice crop

Applications and Constraints of Plant Beneficial Microorganisms in Agriculture

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