Table 4. Suggested Fertigation Schedule for Tomato [1].

Days after Planting

Daily Nitrogen

Daily Potash

Seasonal Nitrogen

Seasonal Potash

-

lbs/A

preplant

--

--

50.0

125.0

0-7

0.5

0.5

53.5

128.5

8-14

0.5

0.5

57.0

132.0

15-21

0.7

0.7

61.9

136.9

22-28

0.7

1.4

66.8

146.7

29-35

1.0

2.0

71.7

160.0

36-42

1.0

2.0

78.7

174.0

43-49

1.2

2.4

87.1

190.8

50-56

1.5

3.0

97.6

211.8

57-63

2.0

4.0

111.6

239.8

64-70

2.5

5.0

129.1

274.8

71-77

2.5

5.0

146.6

309.8

78-84

3.0

6.0

167.6

351.8

85-91

3.0

6.0

188.6

393.8

92-98

3.0

6.0

209.6

435.8

[1] Adapted from 1999 North Carolina Commercial Vegetable Recommendations. Ed. D.C. Sanders, North Carolina Cooperative Extension Service AG-586, Raleigh, NC.

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