Poly 21-7-14 is a cost-effective professional controlled-release fertilizer designed for use on containerized nursery stock and field-grown plants. It delivers 95% of its nitrogen, 63% of its phosphorus, and 32% of its potassium through controlled release, ensuring consistent and steady results throughout the growing season. Nutrient release is minimally impacted by media type, moisture levels, pH, or microbial activity. Nutrients are metered out at specific levels based upon growing temperatures.
Advantages
- ✅ Gradual and consistent nutrient release.
- ✅ Cost-efficient with less nutrient waste.
For labelled crops, specific application rates, directions, mixing instructions and precautions, read the product label.
