Tomato Nutrient Sufficiency Ranges

Tomato Nutrient Sufficiency Ranges
Plant Part	Time of Sampling	N	P	K	Ca	Mg	S	Fe	Mn	Zn	B	Cu
Plant Part	Time of Sampling	Percent (%)						Parts per Million (ppm)
Most recently mature leaf	5-leaf stage	3-5	0.3-0.6	3-5	1-2	0.3-0.5	0.3-0.8	40-100	30-100	25-40	20-40	5-15
	First flower	2.8-4	0.2-0.4	2.5-4	1-2	0.3-0.5	0.3-0.8	40-100	30-100	25-40	20-40	5-15
	Early fruit set	2.5-4	0.2-0.4	2.5-4	1-2	0.25-0.5	0.3-0.6	40-100	30-100	20-40	20-40	5-10
	First ripe fruit	2-3.5	0.2-0.4	2-4	1-2	0.25-0.5	0.3-0.6
	During harvest period	2-3	0.2-0.4	1.5-2.5	1-2	0.25-0.5	0.3-0.6
Adapted from Maynard, D.N., and G.J. Hochmuth. 2007. Knott’s Handbook for Vegetable Growers. 5^th edition. John Wiley & Sons, Inc. 2007.