Table 1. Experimental Design to Study the Variability of Captan Foliar Residues.

	height of sampling points	number of leaf punches	leaf surface area (cm2)
sampling punches in a tree row	middle of the 1st treea	10	98.2
	middle of the 50th treea	10	98.2
	middle of the 100th treea	10	98.2
	middle of the 150th treea	10	98.2
	middle of the 225th treea	10	98.2
height of punched samples in 50 different trees	top	50	490.9
		50	490.9
		50	490.9
	middle	50	490.9
		50	490.9
		50	490.9
	bottom	50	490.9
		50	490.9
		50	490.9

^aThe row studied contained approximately 225 trees.