Influence of microbial inoculants on soil response to properties with and without straw under different temperature regimes

Abro, Saifullah; Tian, Xiaohong; You, Donghai; Ba, Yuling; Li, Meng; Wu, Faqi

doi:10.5897/ajmr11.193

Cited by 3 publications

References 24 publications

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No solid evidence of soil carbon loss under warming in tropical forests along a 3000 m elevation gradient

Luo

Guo

Sun

2020

Preprint

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1Soil organic carbon (SOC) decomposition is inherently sensitive to temperature. As such, a 1 2 big concerning is the potential SOC loss under climatic warming, but field empirical 1 3 evidences are lacking, particularly in tropical forest soils in which ~10% of global SOC is 1 4 stored. Recently Nottingham et al. (2019) assessed the data collected from a novel 1 5 experiment translocating soils across a 3000 m tropical forest elevation gradient to mimic 1 6temperature changes in situ, and concluded that warming caused considerable SOC loss.

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No solid evidence of soil carbon loss under warming in tropical forests along a 3000 m elevation gradient

Luo

Guo

Sun

2020

Preprint

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Effect of biopreparations on the decomposition of plant residues of crops in typical chernozem

Масютенко

Панкова

Kuznetsov

et al. 2021

Ûg Ross.: èkol. razvit.

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Aim. To identify the effect of biological preparations applied with or without nitrogen fertilizers for crop by-product, their incorporation into the soil on the decomposition of plant residues and composition of mobile humus substances in typical slightly eroded chernozem.Materials and Methods. The study was carried out in the field experimental station of Kursk FARC in the cycles of cereal and cereal-row crop rotations in variants with by-product treated with biopreparations; with applied biopreparations + nitrogen fertilizers; with applied nitrogen fertilizers and without biopreparations. To study decomposition the content of unhumified organic matter was determined in the topsoil by the monolith method after by-product incorporation into the soil and 3045 days after their decomposition. Simultaneously the composition of mobile humus substances in the soil was determined.Results. The decomposition of crop by-product and after harvesting and root residues mixed with it in the soil and treated with biopreparations or nitrogen mineral fertilizers was studied for the first time. The peculiarities of the effect of the factors studied on the degree of plant residue decomposition and the composition of mobile humus substances were shown.Conclusion. It was determined that treating the by-product of barley, buckwheat and sunflower with bioproducts, both with applied nitrogen fertilizers and without them, contributed to the increase in the degree of plant residue decomposition as compared with the control and nitrogen mineral fertilizer application. In the years which are favourable according to hydrothermal conditions the improved quality of mobile humus substances of the soil influenced by biopreparations are noted and under extreme conditions the tendency to the improvement of their quality is observed.

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Efficacy of aminocyclopropane-1-carboxylic acid (ACC)-deaminase-producing rhizobacteria in ameliorating water stress in chickpea under axenic conditions

Sharma¹,

Khanna²,

Kumari³

2013

Afr. J. Microbiol. Res.

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To mitigate environmental stresses, use of aminocyclopropane-1-carboxylic acid (ACC)-deaminase containing plant growth promoting rhizobacteria (PGPR) as agricultural inputs for improved crop production is required. A total of 47 bacterial isolates from different rhizospheric soils of chickpea from Punjab were biochemically characterized and found to be representatives of genus Bacillus (25) and Pseudomonas (22). Ten (10) of the isolates were able to utilize ACC as a sole source of nitrogen, maximum growth (in terms of optical density λ600) being recorded with Bacillus isolate 23-B (0.463) followed by Pseudomonas 6-P (0.317). Three isolates were P-solubilizers and their relative Psolubilization efficiency ranged from 14.6 to 21.6 mg/100 ml culture broth. All the isolates produced Indole-3-acetic acid (IAA) (4.4-22.8 µg/ml). Two PGPR's 23-B and 6-P alone and in combination with recommended (for Punjab state) Mesorhizobium ciceris, were evaluated for water stress mitigation and plant growth promotion under axenic conditions on Cicer arietinum varieties (Kabuli L-552 and Desi GPF-2). Both the rhizobacteria significantly improved germination, root and shoot length and fresh weight of chickpea seedlings under osmotic potential of up to 0.4 MPa over uninoculated control. Proline content was considerably higher in PGPR treated varieties of chickpea under water stress. Coinoculation of 23-B with Mesorhizobium enhanced all growth parameters under water stress.

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Influence of microbial inoculants on soil response to properties with and without straw under different temperature regimes

Cited by 3 publications

References 24 publications

No solid evidence of soil carbon loss under warming in tropical forests along a 3000 m elevation gradient

No solid evidence of soil carbon loss under warming in tropical forests along a 3000 m elevation gradient

Effect of biopreparations on the decomposition of plant residues of crops in typical chernozem

Efficacy of aminocyclopropane-1-carboxylic acid (ACC)-deaminase-producing rhizobacteria in ameliorating water stress in chickpea under axenic conditions

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