Abstract
Field experiment was carried out in 2013 and 2014 to investigate the effects of biochar application and arbuscular mycorrhizal (AM) inoculation on AM root colonization and selected soil chemical properties of two tomato genotypes. The experiment was laid out in a split-split plot arrangement with two tomato genotypes in the main plots, five rates of biochar applied in the sub plots and two levels of AMF inoculation in the sub-sub plots. Data were subjected to analysis of variance and significant means separated using Duncan’s Multiple Range Test (P<0.05). The results indicated that mycorrhizal inoculation had little or no influence on AM root colonization, soil organic carbon, soil pH and available phosphorus. Application of 20 t ha-1 of biochar significantly increased (P< 0.05) soil pH and available P compared with the control while 10 t ha-1 and 15 t ha-1 of biochar produced higher organic carbon than other rates. In conclusion, biochar increased soil pH but was not high enough as to have detrimental effect on soil properties. It is, therefore, recommended that biochar with very strongly alkaline pH should only be used in soil with low pH for improvement of soil chemical and AM root colonization.
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Claims 5
Claim · model-written summary
AM inoculation had little or no effect on root colonization and soil chemistry.
- Taxon
- tomato
Solanum lycopersicumt0 - Treatment
- mycorrhizal inoculatione0
- Interactor
- AMe0symbiont
- Outcome
- AM root colonization, soil organic carbon, soil pH and available phosphoruse0
- Direction
- little or no influencee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“mycorrhizal inoculation had little or no influence on AM root colonization, soil organic carbon, soil pH and available phosphorus”
t0“soil chemical properties of two tomato genotypes.”
Claim · model-written summary
20 t ha-1 biochar raised soil pH and available P.
- Taxon
- tomatoSolanum lycopersicumt0
- Treatment
- 20 t ha-1 of biochare0
- Outcome
- soil pH and available Pe0
- Direction
- increasede0
- Comparator
- the controle0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Application of 20 t ha-1 of biochar significantly increased (P< 0.05) soil pH and available P compared with the control”
t0“soil chemical properties of two tomato genotypes.”
Claim · model-written summary
10 t ha-1 biochar produced higher soil organic carbon.
- Taxon
- tomatoSolanum lycopersicumt0
- Treatment
- 10 t ha-1e0
- Outcome
- organic carbone0
- Direction
- highere0
- Comparator
- other ratese0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“10 t ha-1 and 15 t ha-1 of biochar produced higher organic carbon than other rates”
t0“soil chemical properties of two tomato genotypes.”
Claim · model-written summary
15 t ha-1 biochar produced higher soil organic carbon.
- Taxon
- tomatoSolanum lycopersicumt0
- Treatment
- 15 t ha-1 of biochare0
- Outcome
- organic carbone0
- Direction
- highere0
- Comparator
- other ratese0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“10 t ha-1 and 15 t ha-1 of biochar produced higher organic carbon than other rates”
t0“soil chemical properties of two tomato genotypes.”
Claim · model-written summary
The authors recommend highly alkaline biochar only for low-pH soil.
- Taxon
- tomatoSolanum lycopersicumt0
- Outcome
- biochar with very strongly alkaline pH should only be used in soil with low pHe0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“biochar with very strongly alkaline pH should only be used in soil with low pH for improvement of soil chemical and AM root colonization”
t0“soil chemical properties of two tomato genotypes.”
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