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| Web URL(s): | https://scisoc.confex.com/scisoc/2019am/meetingapp.cgi/Paper/122314
Last checked: 12/03/2019
Requires: JavaScript |
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| Publication Type:
| Report |
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| Content Type: | Abstract or Summary only |
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| Author(s): | Kulshrestha, Aprajita;
Lopez, Francis B. |
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| Author Affiliation: | Biological and Chemical Sciences, The University of the West Indies, Bridgetown, Barbados |
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| Title: | Turfgrass responses to biochar rate, particle size and organic ameliorants |
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| Section: | SSSA division: Soil chemistry
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| Meeting Info.: | San Antonio, Texas: November 10-13, 2019 |
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| Source: | ASA, CSSA and SSSA International Annual Meetings. 2019, p. 122314. |
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| Publishing Information: | [Madison, Wisconsin]: [American Society of Agronomy, Crop Science Society of America, and Soil Science Society of America] |
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| # of Pages: | 1 |
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| Keywords: | TIC Keywords: Application rates; Biochar; Biostimulants; Cultivation; Organic amendments; Particle size; Physiological responses; Surfactants; Zoysia japonica
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| Cultivar Names: | El Toro |
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| Abstract/Contents: | "Biochar (charcoal) has the potential to be a key component in climate-smart farming. As a soil amendment, biochar can potentially enhance soil buffering of plant nutrient and water supply while providing climate-change mitigation benefits such as carbon sequestration. It can remain in the soil for very long periods influencing soil physical and chemical properties along with providing habitats for beneficial rhizosphere organisms. This study investigated the effects of biochar particle size (0-2.5, 2.5-6 and 6-10 mm), application rate (0, 6 and 12% v/v of soil) and organic ameliorants on soil properties and growth of potted turfgrass (Zoysia japonica 'El Toro'). A traditional low-technology pyrolysis method (drum technology) was used for preparing the biochar with wood material from young Leucaena leucocephala trees as feedstock. The ameliorants used were an organic surfactant and a biostimulant containing beneficial rhizosphere organisms, and these were applied at 2-week intervals as a soil drench. Plant observations included turf height, greenness and reproductive growth, and soil measurements included pH, electrical conductivity, respiration and moisture content. Biochar improved turf growth and greenness when incorporated into the rooting medium at 12% (v/v) and the optimal particle size range was 0-2.5mm. Some biochar treatments resulted in an increase in the number of turf reproductive spikes. Biochar reduced soil-settling compaction at the start of the study and affected soil respiration measured after one year. Although some positive responses were obtained with weekly applications of ameliorants, no significant interactions of these factors with biochar were observed. There appears to be some potential for the use of biochar as a component of climate-smart cultivation of turfgrass." |
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| Language: | English |
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| References: | 0 |
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| Note: | This item is an abstract only!
"413-2" |
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Kulshrestha, A., and F. B. Lopez. 2019. Turfgrass responses to biochar rate, particle size and organic ameliorants. Agron. Abr. p. 122314. |
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| Web URL(s):
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Last checked: 12/03/2019
Requires: JavaScript |
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