Harrell’s Polyon makes it to second stage of EPA challenge
Harrell’s said its Polyon controlled-release fertilizer progressed to Stage 2 of the EPA’s Enhanced Efficiency Fertilizers: Environmental and Agronomic Challenge. In the next stage of the challenge, Harrell’s said a sample of Polyon will undergo preplanned testing in a greenhouse setting. The Environmental and Agronomic Challenge is designed to find the Enhanced Efficiency Fertilizer products. In the initial stage of... read more