Abstract
The effect of silica nanoparticles and conventional silica sources on the changes in microbial biomass and silica availability to pure soil and maize rhizosphere was studied. Nanosilica (20-40 nm) was synthesized from rice husk and comprehensively characterized. The efficiency of nanosilica was evaluated in terms of its effects on beneficial microbial population such as phosphate solubilizers, nitrogen fixers, silicate solubilizers, microbial biomass carbon and nitrogen content, and silica content in comparison with other silica sources such as microsilica, sodium silicate, and silicic acid. Nanosilica significantly (P < 0.05) enhanced microbial populations, total biomass content (C = 1508 μg g(-1) and N = 178 μg g(-1) ), and silica content (14.75 mg mL(-1) ). Although microsilica sources enhanced factors associated with soil fertility, their use by maize roots and silicification in soil was found to be less. The results show that nanosilica plays a vital role in influencing soil nutrient content and microbial biota and, hence, may promote the growth of maize crop.
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Claims 7
Claim · model-written summary
Nanosilica significantly enhanced maize rhizosphere microbial populations relative to other silica sources.
- Treatment
- Nanosilicae1
- Outcome
- microbial populationse1
- Direction
- enhancede1
- Comparator
- other silica sources such as microsilica, sodium silicate, and silicic acide2
- Setting
- maize rhizospheret0
Zea maysOrganisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“in maize rhizosphere”
e1“Nanosilica significantly (P < 0.05) enhanced microbial populations, total biomass content (C = 1508 μg g(-1) and N = 178 μg g(-1) ), and silica content (14.75 mg mL(-1) )”
e2“in comparison with other silica sources such as microsilica, sodium silicate, and silicic acid”
Claim · model-written summary
Nanosilica significantly enhanced total microbial biomass content, carbon, in maize rhizosphere.
- Treatment
- Nanosilicae1
- Outcome
- total biomass contente1
- Direction
- enhancede1
- Value
- C = 1508 μg g(-1)e1
- Comparator
- other silica sources such as microsilica, sodium silicate, and silicic acide2
- Setting
- maize rhizospheret0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“in maize rhizosphere”
e1“Nanosilica significantly (P < 0.05) enhanced microbial populations, total biomass content (C = 1508 μg g(-1) and N = 178 μg g(-1) ), and silica content (14.75 mg mL(-1) )”
e2“in comparison with other silica sources such as microsilica, sodium silicate, and silicic acid”
Claim · model-written summary
Nanosilica significantly enhanced total microbial biomass nitrogen in maize rhizosphere.
- Treatment
- Nanosilicae1
- Outcome
- total biomass contente1
- Direction
- enhancede1
- Value
- N = 178 μg g(-1)e1
- Comparator
- other silica sources such as microsilica, sodium silicate, and silicic acide2
- Setting
- maize rhizospheret0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“in maize rhizosphere”
e1“Nanosilica significantly (P < 0.05) enhanced microbial populations, total biomass content (C = 1508 μg g(-1) and N = 178 μg g(-1) ), and silica content (14.75 mg mL(-1) )”
e2“in comparison with other silica sources such as microsilica, sodium silicate, and silicic acid”
Claim · model-written summary
Nanosilica significantly enhanced silica content in the maize rhizosphere.
- Treatment
- Nanosilicae1
- Outcome
- silica contente1
- Direction
- enhancede1
- Value
- 14.75 mg mL(-1)e1
- Comparator
- other silica sources such as microsilica, sodium silicate, and silicic acide2
- Setting
- maize rhizospheret0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“in maize rhizosphere”
e1“Nanosilica significantly (P < 0.05) enhanced microbial populations, total biomass content (C = 1508 μg g(-1) and N = 178 μg g(-1) ), and silica content (14.75 mg mL(-1) )”
e2“in comparison with other silica sources such as microsilica, sodium silicate, and silicic acid”
Claim · model-written summary
Microsilica sources enhanced factors associated with soil fertility.
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“in maize rhizosphere”
e3“Although microsilica sources enhanced factors associated with soil fertility, their use by maize roots and silicification in soil was found to be less”
Claim · model-written summary
Silica use by maize roots and silicification in soil was lower with microsilica sources.
- Treatment
- microsilica sourcese3
- Outcome
- their use by maize roots and silicification in soile3
- Direction
- lesse3
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“in maize rhizosphere”
e3“Although microsilica sources enhanced factors associated with soil fertility, their use by maize roots and silicification in soil was found to be less”
Claim · model-written summary
Nanosilica may promote the growth of maize through its influence on soil nutrient content and microbial biota.
- Treatment
- nanosilicae4
- Outcome
- growth of maize crope4
- Qualifier
- soil nutrient content and microbial biotae4
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“in maize rhizosphere”
e4“The results show that nanosilica plays a vital role in influencing soil nutrient content and microbial biota and, hence, may promote the growth of maize crop”
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