Table 4.

The accuracies of maize and sunflower production estimations.

Model	Maize				Sunflower
	RMSE (kt)	RE (%)	R 2	Adjusted R2	RMSE (kt)	RE (%)	R 2	Adjusted R2
Model 1	131.2	29.2	0.48	0.45	53.1	30.7	0.61	0.59
Model 2	131.0	29.5	0.49	0.47	52.7	31.1	0.61	0.59
Model 3	133.1	29.4	0.51	0.48	54.5	37.8	0.64	0.62
Model 4	132.5	29.6	0.50	0.47	49.6	31.1	0.65	0.64
Model 5	132.0	29.7	0.50	0.48	48.9	32.2	0.66	0.64
Model 6	143.5	30.3	0.44	0.41	47.9	31.7	0.67	0.66
Model 7	153.7	31.7	0.43	0.40	48.0	35.1	0.68	0.66
Model 8	156.9	31.9	0.44	0.41	47.8	33.5	0.68	0.66