Table 3.

Nutrient levels of recently matured leaves of Acer rubrum ‘Armstrong,’ ‘October Glory,’ and ‘Red Sunset.’^{^z}

Cultivar	pH				Level of Nutrient, ppm
		P	K	Ca	Mg	Mn	Fe
‘Armstrong’	5.5	2315	36956	10478	4817	80	45
	7.5	2280	39703	10338	4428	122	50
October Glory’	5.5	1922	25929	9914	3982	35	47
	7.5	1683	28746	8930	3632	38	45
‘Red Sunset’	5.5	2386	24913	10955	3925	94	56
	7.5	2295	29274	11735	4013	85	47

↵z Average of 16 plants.