SARIA III: The effect of tillage on soil fertility

This experiment has been added by the GLTEN Curators using existing published sources.
To study the combined effects of tillage and farmyard manure input on soil physical and chemical properties
Data Access Statement
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Data policy
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The Agricultural Research Station of Saria
experimental research station
Institute of Environment and Agricultural Research
research organisation

Site: Saria III

Burkina Faso
Geographic location
12.274509, -2.154338
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300 Metres
Visits permitted?
Plots receive annual inputs of 100 kg ha-1 NPK + 50 kg ha-1 urea
Soil type
Soil description
The soil is Ferric Lixisol with very low soil organic carbon (SOC), N and available P and poor Cation Exchange Capacity (CEC). The soil is acid with a pH (H2O) between 4.09 and 5.51.
Soil properties
VariableDepthValue (range)UnitsRef yearEstimated?Baseline?
find sand content0 – 15 Centimetres (34.1 – 39.2) Percent2007
course sand content0 – 15 Centimetres (23.4 – 26.4) Percent2007
silt content0 – 15 Centimetres (29.6 – 30.4) Percent2007
clay content0 – 15 Centimetres (7 – 10) Percent2007
soil total carbon0 – 15 Centimetres (22.4 – 24.4) gram per kilogram2007
total soil nitrogen0 – 15 Centimetres (1.16 – 1.26) gram per kilogram2007
soil carbon to nitrogen ratio0 – 15 Centimetres (19 – 19) 2007

Design period: (1990—)

Design Type
Randomized complete block design
Design description
Compares tillage method with and without organic amendments. Plots measure 5 x 15m.
Number of plots
Number of replicates
CropYears grown
Factor name
Factor levels
natural fertilizer exposure
with manure  (10 t/ha)
Chemical form: farmyard manure
without manure  (0 )
tillage process
ploughing  (20 cm depth)
Oxen ploughing to 20 cm depth
hoeing  (5 cm depth)
Hand hoeing to 5 cm depth

Related publications

  • Zacharie Zida, 2011. Long-term effects of conservation soil management in Saria, Burkina Faso, West Africa. PhD Thesis