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Petiole Nitrate Calculator
Growth Stage:
First Square
Early Squaring
Mid Squaring
First Bloom
Early Bloom
Mid Bloom
Mid-Peak Bloom
Peak Bloom
Cut-Out
Petiole Nitrate (N):
ppm
Deficient Nitrate (N)
Apply 30 lb N/ac for overhead sprinkler
(one fertigation, or 3-5 days of fertigations for drip irrigation)
Apply 50 lb N/ac for surface irrigation
(water run or ground application)
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