Responses in growth, yield and cob protein content of baby corn (Zea mays L.) to amendment of an acid sulphate soil with lime, organic fertiliser and biochar
Cropping of acid sulfate soils requires effective treatment of their inherently low pH. We evaluated the efficacy of applications of two levels of lime (0 or 2 Mg/ha), two levels of organic fertiliser (0 or 5 Mg/ha), and three levels of biochar (0, 10 or 30 Mg/ha) in a factorial design for amelior...
| Main Authors: | , , , , |
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| Format: | Journal Article |
| Published: |
Commonwealth Scientific and Industrial Research Organization Publishing
2022
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| Online Access: | http://hdl.handle.net/20.500.11937/88700 |
| _version_ | 1848765067034624000 |
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| author | Loan, Thi Yunusa, Isa Rab, Abdur Zerihun, Ayalsew Nguyen, Hoa |
| author_facet | Loan, Thi Yunusa, Isa Rab, Abdur Zerihun, Ayalsew Nguyen, Hoa |
| author_sort | Loan, Thi |
| building | Curtin Institutional Repository |
| collection | Online Access |
| description | Cropping of acid sulfate soils requires effective treatment of their inherently low pH. We evaluated
the efficacy of applications of two levels of lime (0 or 2 Mg/ha), two levels of organic fertiliser (0 or
5 Mg/ha), and three levels of biochar (0, 10 or 30 Mg/ha) in a factorial design for ameliorating acidity in
an acid sulfate soil, and measured the subsequent growth and yield of baby corn (Zea mays L.). Lime
increased soil pH(H2O) from 3.75 to 4.12, salinity from 1.72 to 1.95 dS/m, and cob yield by 30%.
None of the amendments significantly altered total organic carbon or total nitrogen concentrations
in the soil. Biochar additions increased cob yields by an average of 28% on both unlimed and limed
soil. Addition of organic fertiliser increased cob yield by 45% on unlimed soil but had no significant
effect on yields on limed soil. The yields obtained with liming were similar to the highest yields
achieved with biochar or organic fertiliser applied either separately or in combinations. Overall,
cob yields were increased by 19% with addition of organic fertiliser. The yield increseas from
additions of biochar or organic fertiliser were associated with improvements in nutrient supply.
However, the increases in cob yield were associated with reduced cob protein, probably
resulting from poor availability of nitrogen late in the season. We conclude that biochar and
organic fertiliser applied in relatively large quantities can be viable treatments for cropping acid
sulfate soils. |
| first_indexed | 2025-11-14T11:29:21Z |
| format | Journal Article |
| id | curtin-20.500.11937-88700 |
| institution | Curtin University Malaysia |
| institution_category | Local University |
| last_indexed | 2025-11-14T11:29:21Z |
| publishDate | 2022 |
| publisher | Commonwealth Scientific and Industrial Research Organization Publishing |
| recordtype | eprints |
| repository_type | Digital Repository |
| spelling | curtin-20.500.11937-887002022-06-16T08:29:08Z Responses in growth, yield and cob protein content of baby corn (Zea mays L.) to amendment of an acid sulphate soil with lime, organic fertiliser and biochar Loan, Thi Yunusa, Isa Rab, Abdur Zerihun, Ayalsew Nguyen, Hoa Cropping of acid sulfate soils requires effective treatment of their inherently low pH. We evaluated the efficacy of applications of two levels of lime (0 or 2 Mg/ha), two levels of organic fertiliser (0 or 5 Mg/ha), and three levels of biochar (0, 10 or 30 Mg/ha) in a factorial design for ameliorating acidity in an acid sulfate soil, and measured the subsequent growth and yield of baby corn (Zea mays L.). Lime increased soil pH(H2O) from 3.75 to 4.12, salinity from 1.72 to 1.95 dS/m, and cob yield by 30%. None of the amendments significantly altered total organic carbon or total nitrogen concentrations in the soil. Biochar additions increased cob yields by an average of 28% on both unlimed and limed soil. Addition of organic fertiliser increased cob yield by 45% on unlimed soil but had no significant effect on yields on limed soil. The yields obtained with liming were similar to the highest yields achieved with biochar or organic fertiliser applied either separately or in combinations. Overall, cob yields were increased by 19% with addition of organic fertiliser. The yield increseas from additions of biochar or organic fertiliser were associated with improvements in nutrient supply. However, the increases in cob yield were associated with reduced cob protein, probably resulting from poor availability of nitrogen late in the season. We conclude that biochar and organic fertiliser applied in relatively large quantities can be viable treatments for cropping acid sulfate soils. 2022 Journal Article http://hdl.handle.net/20.500.11937/88700 10.1071/CP21812 http://creativecommons.org/licenses/by-nc-nd/4.0/ Commonwealth Scientific and Industrial Research Organization Publishing fulltext |
| spellingShingle | Loan, Thi Yunusa, Isa Rab, Abdur Zerihun, Ayalsew Nguyen, Hoa Responses in growth, yield and cob protein content of baby corn (Zea mays L.) to amendment of an acid sulphate soil with lime, organic fertiliser and biochar |
| title | Responses in growth, yield and cob protein content of baby corn (Zea mays L.) to amendment of an acid sulphate soil with lime, organic fertiliser and biochar |
| title_full | Responses in growth, yield and cob protein content of baby corn (Zea mays L.) to amendment of an acid sulphate soil with lime, organic fertiliser and biochar |
| title_fullStr | Responses in growth, yield and cob protein content of baby corn (Zea mays L.) to amendment of an acid sulphate soil with lime, organic fertiliser and biochar |
| title_full_unstemmed | Responses in growth, yield and cob protein content of baby corn (Zea mays L.) to amendment of an acid sulphate soil with lime, organic fertiliser and biochar |
| title_short | Responses in growth, yield and cob protein content of baby corn (Zea mays L.) to amendment of an acid sulphate soil with lime, organic fertiliser and biochar |
| title_sort | responses in growth, yield and cob protein content of baby corn (zea mays l.) to amendment of an acid sulphate soil with lime, organic fertiliser and biochar |
| url | http://hdl.handle.net/20.500.11937/88700 |