Determining Critical Soil pH for Sunflower Production
Soil acidity has become a major yield-limiting factor in cropping systems of the Southern Great Plains, in which winter wheat (Triticum aestivum L.) is the predominant crop. Sunflower (Helianthus annuus L.) is a strong rotational crop with winter wheat due to its draught and heat tolerance. However,...
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| Format: | Article |
| Language: | English |
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Wiley
2014-01-01
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| Series: | International Journal of Agronomy |
| Online Access: | http://dx.doi.org/10.1155/2014/894196 |
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| author | Apurba Sutradhar Romulo P. Lollato Katy Butchee Daryl B. Arnall |
| author_facet | Apurba Sutradhar Romulo P. Lollato Katy Butchee Daryl B. Arnall |
| author_sort | Apurba Sutradhar |
| collection | DOAJ |
| description | Soil acidity has become a major yield-limiting factor in cropping systems of the Southern Great Plains, in which winter wheat (Triticum aestivum L.) is the predominant crop. Sunflower (Helianthus annuus L.) is a strong rotational crop with winter wheat due to its draught and heat tolerance. However, the effects of low soil pH on sunflower productivity have not been explored. The objective of this study was to determine the critical soil pH and aluminum concentration (AlKCl) for sunflower. Sunflower was grown in a randomized complete block design with three replications of a pH gradient ranging from 4.0 to 7.0 at three locations with varying soil types. Soil pH was altered using aluminum sulfate (Al2(SO4)3) and hydrated lime (Ca(OH)2). Plant height, vigor, and survivability were all negatively affected by soil acidity. Sunflower yield was reduced by 10% at or below soil pH 4.7 to 5.3 dependent upon location and soil type. Levels of AlKCl above 6.35 mg kg−1 reduced seed yield by 10% or greater. We concluded that sunflower may serve as a better rotational crop with winter wheat under acidic conditions when compared to other adaptable crops. |
| format | Article |
| id | doaj-art-c7c5db1882a64cf8b7691a9fb2798264 |
| institution | Kabale University |
| issn | 1687-8159 1687-8167 |
| language | English |
| publishDate | 2014-01-01 |
| publisher | Wiley |
| record_format | Article |
| series | International Journal of Agronomy |
| spelling | doaj-art-c7c5db1882a64cf8b7691a9fb27982642025-02-03T01:02:08ZengWileyInternational Journal of Agronomy1687-81591687-81672014-01-01201410.1155/2014/894196894196Determining Critical Soil pH for Sunflower ProductionApurba Sutradhar0Romulo P. Lollato1Katy Butchee2Daryl B. Arnall3Department of Plant and Soil Sciences, Oklahoma State University, Stillwater, OK 74078, USADepartment of Plant and Soil Sciences, Oklahoma State University, Stillwater, OK 74078, USAWestern Oklahoma State College, 2801 N. Main, Altus, OK 73521, USADepartment of Plant and Soil Sciences, Oklahoma State University, Stillwater, OK 74078, USASoil acidity has become a major yield-limiting factor in cropping systems of the Southern Great Plains, in which winter wheat (Triticum aestivum L.) is the predominant crop. Sunflower (Helianthus annuus L.) is a strong rotational crop with winter wheat due to its draught and heat tolerance. However, the effects of low soil pH on sunflower productivity have not been explored. The objective of this study was to determine the critical soil pH and aluminum concentration (AlKCl) for sunflower. Sunflower was grown in a randomized complete block design with three replications of a pH gradient ranging from 4.0 to 7.0 at three locations with varying soil types. Soil pH was altered using aluminum sulfate (Al2(SO4)3) and hydrated lime (Ca(OH)2). Plant height, vigor, and survivability were all negatively affected by soil acidity. Sunflower yield was reduced by 10% at or below soil pH 4.7 to 5.3 dependent upon location and soil type. Levels of AlKCl above 6.35 mg kg−1 reduced seed yield by 10% or greater. We concluded that sunflower may serve as a better rotational crop with winter wheat under acidic conditions when compared to other adaptable crops.http://dx.doi.org/10.1155/2014/894196 |
| spellingShingle | Apurba Sutradhar Romulo P. Lollato Katy Butchee Daryl B. Arnall Determining Critical Soil pH for Sunflower Production International Journal of Agronomy |
| title | Determining Critical Soil pH for Sunflower Production |
| title_full | Determining Critical Soil pH for Sunflower Production |
| title_fullStr | Determining Critical Soil pH for Sunflower Production |
| title_full_unstemmed | Determining Critical Soil pH for Sunflower Production |
| title_short | Determining Critical Soil pH for Sunflower Production |
| title_sort | determining critical soil ph for sunflower production |
| url | http://dx.doi.org/10.1155/2014/894196 |
| work_keys_str_mv | AT apurbasutradhar determiningcriticalsoilphforsunflowerproduction AT romuloplollato determiningcriticalsoilphforsunflowerproduction AT katybutchee determiningcriticalsoilphforsunflowerproduction AT darylbarnall determiningcriticalsoilphforsunflowerproduction |