stratification (1) étable (1) eau du sol (1) science (1) échantillonnage (1) modèle (1) comparaison (1) Silage (1) Comparison (1) Methods (1) Winter wheat (1) Soil moisture (1) Social sciences (1) Silage (1) Science (1) Sampling (Statistics) (1) Sampling (1) Mathematics (1) Example (1) Errors (1) Crops (1) Corn (1) Methods (1) Yields (1) Size (1) Science (1) Sampling (1) Behavior (1) Models (1)