Field lab Broddbo - Sand trial on peat soil
- Objective
- I investigate how foundry sand addition affects GHG emissions, yield and trafficability on peat soil.
- Description
- 0, 2.5 and 5 cm foundry sand was mixed into the top 10-15 cm layer of well-decomposed fen peat. Three replicates. Timothy is growing on the plots. We have measured GHG emission, water content, soil temperature and penetration resistance.
- Data Access Statement
- Don't know
- Data license
- Don't know
- Data policy
- https://www.slu.se/globalassets/ew/org/centrb/langliggande/gb-guidelines_lte_slu_20140820.pdf
- Organization
- SLU Agricultural Long-Term Experimentsresearch organisation
- Person
- Agr.Dr. Örjan Berglundprincipal investigatorSwedish University of Agricultural SciencesSoil and enviornment
Site: Field lab Broddbo - Sand trial on peat soil
- Type
- farmer field
- Location
- BroddboUppsalaSweden
- Geographic location
- 60.027892, 17.429874
- Elevation
- 30 Metres
- Visits permitted?
- Yes
- Visiting arrangements
- Contact Örjan Berglund, SLU orjan.berglund@slu.se
- History
- The area was drained starting in the 1840s. I has been a pasture before we used it as research fields.
- Management
- The treatments 0, 2.5 and 5 cm addition of foundry sand is repeated in three blocks. Timothy is grown on the 4 m * 8 m plots. The plots are harvested with two cuts and fertilised with mineral fertiliser. 2*50 kg N as NPK 11-5-18. Yield is measured from 2 cuts. Some years GHG emissions, water content, soil temperature, soil moisture and penetration resistance are measured.
- Soil type
- Euic Typic Haplosaprist
- Soil description
- A well decomposed (H8-10) 1m deep fen peat.
- Soil properties
Variable Depth Value (range) Units Ref year Estimated? Baseline? soil pH 0 – 20 Centimetres 5.55 2014 soil pH 20 – 40 Centimetres 5.73 2014 Loss on ignition 0 – 20 Centimetres 86.2 % Loss on ignition 20 – 40 Centimetres 85.03 % soil density 5 – 15 Centimetres 0.28 (0.26 – 0.3) gram per cubic centimetre 2017 - Climatic type
- warm humid continental climate
- Climate description
- Dfb
Design period: Sand trial (2015—)
- Design Type
- Randomized complete block design
- Description
- Foundry sand was mixed into the top 15 cm of fen peat grown with timothy. Harvested 2 times per year, fertilized with 2*50 kg N as NPK 11-5-18. The plots are 4*8m.
- Design description
- 3 treatments (0, 2.5 cm and 5 cm sand) repeated in 3 blocks.
- Number of plots
- 9
- Number of replicates
- 3
- Number of harvests per year
- 2
- Crop
Crop Years grown Timothy grass - Measurements
Variable Material Units Frequency Scale Comment forage yield Timothy grass t/ha 2 cuts CO2 emission Soil mg/m2/h 10 N2O emission Soil mg/m2/h 10
Related publications
- Effects of foundry sand addition on yield, penetration resistance and CO2 emission from an agricultural peat soil