Various sequences of crops have been grown (see Lapa et al (2011) for rotations between 1992 and 2007)
Crops
Crop
Years grown
potatoes
barley
oats
peas
lupins
rapeseed
mangolds
triticales
flax
Factors
Factor name
Factor levels
liming exposure
With lime
Without lime
farmyard manure exposure
with FYM (40 t/ha)
Applied once per rotation at 40 or 60 t ha-1.
without FYM
NPK fertilizer exposure
with NPK
To provide N at 83 kg N ha-1, P at 61 kg P ha-1 and K at 112 kg ha-1
Related publications
Lapa, V.V., Seraya, T.M., Bogatyreva, E.N. et al. The effect of long-term fertilizer application on the group and fractional composition of humus in a soddy-podzolic light loamy soil. Eurasian Soil Sc. 44, 100–104 (2011)