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Pre-Harvest Interval (PHI) is the time between a pesticide application and when the crop is harvested
After extensive research
Indole-3-butyric acid
You'll notice the white mycelium growing outward from the injection point
NPK Industries RAW Dry B-Vitamin, 8 oz. Container Size:2 oz. Pre-Harvest Interval (PHI) is theRAW B Vitamin can assist at any time in a plant's life where the plant may become stressed through transplanting, high salinity, pathogens, nutrient deficiencies, high fruit loading, etc. RAW B Vitamin is a great way to supplement any feeding program. Think of it as an insurance policy for your plants! Supplement any feeding program Easy to use Contains 1% Vitamin B1
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