Summary
The supplement of Selle et al. (2019) contains code to simulate data and code to analyse the simulated and real data
https://link.springer.com/article/10.1007/s00122-019-03424-y#Sec31
Selle et al. (2019) Flexible modelling of spatial variation in agricultural field trials with the R package INLA. Genetics Selection Evolution, 52, 69