Veld Fertilization Experiment
This experiment has been added by the GLTEN Curators using existing published sources.
- Objective
- To establish the effects of fertilization with nitrogen
- Data Access Statement
- Don't know
- Data license
- Don't know
- Data policy
- Don't know
- Organizations
- Ukulinga research farmexperimental research stationUniversity of KwaZulu-Natal
- People
Site: Ukulinga
- Type
- research farm
- Location
- PietermaritzburgKwaZulu-Natal provinceSouth Africa
- Geographic location
- -30.384777, 29.383205
- Elevation
- 840 Metres
- Visits permitted?
- No
- Soil description
- Soil is fine-textured and derived from shales
Design period: (1951—)
- Design description
- Plots measure 9.0 x 2.7 with 1m spacing. The experiment has a 4 x (2x3) factorial design with 3 replicates
- Number of plots
- 96
- Number of replicates
- 3
- Crop
Crop Years grown natural grasslands - Factors
- Factor name
- Factor levels
- nitrogen fertilizer exposure Form of nitrogen application
calcium ammonium nitrate
Chemical form: calcium ammonium nitrateammonium sulfate
Chemical form: ammonium sulfate- nitrogen fertilizer exposure Rates of nitrogen application
N0 (0 )
N1 (71 kgN/ha)
Application frequency: annuallyN2 (141 kgN/ha)
Application frequency: annuallyN3 (212 kgN/ha)
Application frequency: annually- phosphate fertilizer exposure
P0 (0 )
P1 (336 kgP/ha)
Application frequency: annuallyChemical form: triple superphosphate- liming exposure
L0
L1 (2250 kg/ha)
Application frequency: every 5 yearsChemical form: lime
- Measurements
Variable Material Units Frequency Scale Comment forage yield Not specified species composition Not specified
Related publications
- Ward D, Kirkman K, Tsvuura Z (2017) An African grassland responds similarly to long-term fertilization to the Park Grass experiment. PLOS ONE 12(5): e0177208. https://doi.org/10.1371/journal.pone.0177208 [In English]