Precision Agriculture / Neural Network / Potato / Seasonality / Performance Model / Plant growth / Multiple Linear Regression / Leaf Area Index / Prediction Model / Real Time / Biomass Allocation / Spatial Variation / Soil Properties / Growth Model / Auxiliary Variable / Weeks After Planting / Empirical Model / Cumulant / Plant growth / Multiple Linear Regression / Leaf Area Index / Prediction Model / Real Time / Biomass Allocation / Spatial Variation / Soil Properties / Growth Model / Auxiliary Variable / Weeks After Planting / Empirical Model / Cumulant