Influence of nanosilicon dioxide along with bioinoculants on Zea mays and its rhizospheric soil

Kukreti, Bharti; Sharma, Anita; Chaudhary, Parul; Agri, Upasana; Maithani, Damini

doi:10.1007/s13205-020-02329-8

Cited by 58 publications

(23 citation statements)

References 59 publications

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“…Chai et al [ 52 ] reported that application of nano SiO 2 also improved the population of NPK solubilizing bacteria, but zinc oxide nanoparticles decreased bacterial population due to the uptake of free ions. Similarly, application of PGPR and nanosilicon dioxide not only improved the plant health of maize but also supported the microbial dynamics in rhizospheric soil [ 53 ] .…”

Section: Discussionmentioning

confidence: 99%

Cultivable and metagenomic approach to study the combined impact of nanogypsum and Pseudomonas taiwanensis on maize plant health and its rhizospheric microbiome

et al. 2021

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In the present study we examined the effect of nanogypsum and Pseudomonas taiwanensis strain BCRC 17751on plant and soil health using conventional and metagenomics approaches. Soil physicochemical properties and agronomical parameters of maize plants were reported to be better when applied with nanogypsum and bacterial inoculum together. When compared to control a significant increase in total bacterial counts, nitrogen, phosphorus, potassium (NPK) solubilizing bacterial population and soil enzyme activities (fluorescein diacetate, alkaline phosphatase, dehydrogenase, β-glucosidase, arylesterase and amylase) was reported in treatments. The metagenomics studies revealed dominance of beneficial bacteria such as Proteobacteria, Bacteriodetes, Planctomycetes, Acidobacteria and Nitrospirae in treated soil. On the other hand some novel bacterial diversity was also reported in treated soil which was evident from presence of taxonomically unclassified sequences. Hence, it can be concluded that combined application of nanogypsum and Pseudomonas taiwanensis in maize help in improving the structure and function of soil which affects the plant health without causing any toxic effect. However, in situ validation of the prescribed treatment is required under field conditions on different crops in order to give maximum benefits to the farmers and the environment.

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Section: Discussionmentioning

confidence: 99%

Cultivable and metagenomic approach to study the combined impact of nanogypsum and Pseudomonas taiwanensis on maize plant health and its rhizospheric microbiome

et al. 2021

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“…Application of B. aryabhattai and Pseudomonas auricularis improved NPK content of the rhizospheric soil and photosynthetic efficiency in Camellia oleifera plants [ 56 ]. PGPR involved in enhancement of soil beneficial community and enhanced the soil enzyme activities [ 57 , 58 ]. Application of Bacillus spp.…”

Section: Discussionmentioning

confidence: 99%

Impact of nanophos in agriculture to improve functional bacterial community and crop productivity

Chaudhary

Parveen

et al. 2021

BMC Plant Biol

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Background Since the World’s population is increasing, it’s critical to boost agricultural productivity to meet the rising demand for food and reduce poverty. Fertilizers are widely used in traditional agricultural methods to improve crop yield, but they have a number of negative environmental consequences such as nutrient losses, decrease fertility and polluted water and air. Researchers have been focusing on alternative crop fertilizers mechanisms to address these issues in recent years and nanobiofertilizers have frequently been suggested. “Nanophos” is a biofertilizer and contains phosphate-solubilising bacteria that solubilises insoluble phosphate and makes it available to the plants for improved growth and productivity as well as maintain soil health. This study evaluated the impact of nanophos on the growth and development of maize plants and its rhizospheric microbial community such as NPK solubilising microbes, soil enzyme activities and soil protein under field condition after 20, 40 and 60 days in randomized block design. Results Maize seeds treated with nanophos showed improvement in germination of seeds, plant height, number of leaves, photosynthetic pigments, total sugar and protein level over control. A higher activity of phenol, flavonoid, antioxidant activities and yield were noticed in nanophos treated plants over control. Positive shift in total bacterial count, nitrogen fixing bacteria, phosphate and potassium solubilizers were observed in the presence of nanophos as compared to control. Soil enzyme activities were significantly (P < 0.05) improved in treated soil and showed moderately correlation between treatments estimated using Spearman rank correlation test. Real time PCR and total soil protein content analysis showed enhanced microbial population in nanophos treated soil. Obtained results showed that nanophos improved the soil microbial population and thus improved the plant growth and productivity. Conclusion The study concluded a stimulating effect of nanophos on Zea mays health and productivity and indicates good response towards total bacterial, NPK solubilising bacteria, soil enzymes, soil protein which equally showed positive response towards soil nutrient status. It can be a potential way to boost soil nutrient use efficiency and can be a better alternative to fertilizers used in the agriculture.

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“…The lowest FDA was obtained with control treatment during both years. FDA was recorded at its maximum (2.96 g uorescein g − 1 h − 1 ) in soil treated with SiO 2 , according to Kukreti et al [73]. Increased enzyme activity in treated soil might be linked to an increase in the microbial population.…”

Section: Fluorescein Diacetate Activity (Fda)mentioning

confidence: 96%

Growth indices, Yield, Nutrient Uptake and Soil Enzyme Activity of wheat as Affected by Residual Effect of Phosphorus and Silicon

Jinger

Dhar

Dass

et al. 2021

Preprint

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Silicon (Si) is known as a beneficial or quasi-essential element particularly for graminaceous crops, as Si increases dry matter accumulation and enhances resistance to lodging and drought. However, the combined application of phosphorus (P) and Si has a tremendous impact on the growth and yield of various crops. While the residual effect of Si and P application on growth, yield and soil biological activity in wheat were not ascertained. Therefore, the present study was conducted to evaluate the residual effect of Si and P on growth indices, yield, nutrient uptake, and soil enzyme activities of succeeding wheat crops. The four levels of Si (0, 40, 80, and 120 kg Si ha− 1) and P (0, 30, 60, and 90 kg P2O5 ha− 1) were applied to the preceding aerobic rice crop and their effect was evaluated in succeeding wheat crop. The results demonstrated a significant effect of Si and P on wheat growth, yield, nutrient uptake, and soil enzyme activities. The residual effect of 120 kg Si and 90 kg P2O5 ha− 1 significantly improved the grain yield of the succeeding wheat crop by 24–45%. Further, the residual Si and P remarkably improved Si, N, P, and K concentration in wheat grain by 35, 13.2, 45, and 56 %, respectively, over control. Similarly, an increase in the microbial biomass carbon, dehydrogenase, fluorescein diacetate, and alkaline phosphatase activity by 17.2, 33.5, 12.4, and 37.5%, respectively were observed in the residual application of 120 kg Si and 90 kg P2O5 ha− 1 over control. Therefore, the inclusion of Si and P could have great potential to improve soil enzyme activities and productivity of the wheat crop.

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Influence of nanosilicon dioxide along with bioinoculants on Zea mays and its rhizospheric soil

Cited by 58 publications

References 59 publications

Cultivable and metagenomic approach to study the combined impact of nanogypsum and Pseudomonas taiwanensis on maize plant health and its rhizospheric microbiome

Cultivable and metagenomic approach to study the combined impact of nanogypsum and Pseudomonas taiwanensis on maize plant health and its rhizospheric microbiome

Impact of nanophos in agriculture to improve functional bacterial community and crop productivity

Growth indices, Yield, Nutrient Uptake and Soil Enzyme Activity of wheat as Affected by Residual Effect of Phosphorus and Silicon

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