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Sulfur flow in a so...
Sulfur flow in a soil-plant system-effects of long-term treatment history and soil properties
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- Boye, Kristin (författare)
- Swedish University of Agricultural Sciences,Sveriges lantbruksuniversitet,Institutionen för mark och miljö,Department of Soil and Environment
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- Nilsson, Ingvar (författare)
- Swedish University of Agricultural Sciences,Sveriges lantbruksuniversitet,Institutionen för mark och miljö,Department of Soil and Environment
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- Mattsson, Lennart (författare)
- Swedish University of Agricultural Sciences,Sveriges lantbruksuniversitet,Institutionen för mark och miljö,Department of Soil and Environment
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(creator_code:org_t)
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- 2010-04-20
- 2010
- Engelska.
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Ingår i: Plant and Soil. - : Springer Science and Business Media LLC. - 0032-079X .- 1573-5036. ; 334, s. 323-334
- Relaterad länk:
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https://res.slu.se/i...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- The influence of long-term treatment and soil type on sulfur (S) flow patterns within soil and from soil to plant was studied in a pot experiment with Italian rye grass (Lolium multiflorum cv. SW Fredrik) with (+S) or without (-S) added S. Soil samples were taken from two field treatments (farmyard manure (FYM) application or crop residue (CR) incorporation) at four sites with differing soil types within the Swedish long-term fertility experiment series. To follow gross processes, the initial soil sulfate pool was labeled with carrier-free H (2) (35) SO(4). The -S treatment resulted in visual symptoms of S deficiency, reduced biomass production and lower total S uptake by the rye grass. The isotopic measurements revealed that more than two thirds of the plant S was derived from non-labeled soil organic S, even in the + S treatment, and that all organic S pools (physically unprotected/protected and residual organic S) in the soil were involved in the S transformations. The long-term FYM treatment had resulted in higher S cycling rates and a slightly higher resistance to S deficiency than the CR treatment. The influence of soil type on S flow patterns was important, but probably only partly related to the soil S properties.
Ämnesord
- LANTBRUKSVETENSKAPER -- Lantbruksvetenskap, skogsbruk och fiske -- Jordbruksvetenskap (hsv//swe)
- AGRICULTURAL SCIENCES -- Agriculture, Forestry and Fisheries -- Agricultural Science (hsv//eng)
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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