Table 2.

The dataset information of the training site and the three testing sites of different planting densities.

		Number of maize	Area (m2)	Plant density (plants/m2)	Maize height (m)
					Minimum	Mean	Maximum
Training data		337	100.48	3.35	0.09	0.34	0.68
Testing data	Sparse	62	23.05	2.69	0.13	0.32	0.49
	Moderate	71	11.48	6.19	0.13	0.29	0.69
	Dense	88	9.81	8.96	0.14	0.35	0.73