For more information please fill out the form below.
Nutrient Sufficiency Ranges (source: A & L, Agronomy Handbook, Ankerman & Large, Eds.)
N
P
Al
%
ppm
From
3.00
0.30
2.5
0.5
2.00
0.01
40
35
100
8
20
To
6.00
0.80
5.00
1.00
0.9
60
50
200
Growth stage
Plant part to sample
No. of plants or leaves to sample
Open-field tomatoes
20-25
Greenhouse tomatoes
Need more information about how to grow tomato? You can always return to the tomato fertilizer & tomato crop guide table of contents
Read more about fertigation - application of nutrients through irrigation systems