Sulphur that lasts in the field
Results of rainfall simulation study in the UK (2020)
Results of rainfall simulation study in the UK (2020)
We tested POLY4 in a UK rainfall simulation to compare its sulphur release with sulphate of potash (SOP). By measuring sulphur levels at 5–10 cm soil depth over several weeks, we found clear results:
For farmers, this matters. A steady supply of sulphur supports more efficient nitrogen use, stronger protein synthesis, and improved nitrogen metabolism - all of which contribute to healthier crops and potentially higher yields. With POLY4, you're not just feeding your soil - you're investing in sustained crop performance.
Results of rainfall simulation study in the UK, 2020. Sulphur was measured at the soil layer of 5-10 cm depth
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