iNTrench Calcium

Slow and controlled nitrogen release for optimum plant uptake, formulated with potassium.

iNTrench® is a premium liquid fertiliser formulated using advanced nitrogen technology (PiNT) for slow and controlled nitrogen release for optimum plant uptake. Optimised for fine and sports turf, the stable form of nitrogen, plus potassium or calcium provides a long-lasting growth response. iNTrench® delivers up to 10 weeks of improved blade colour and higher quality turf with only 66% nitrogen rate compared to leading competitors.

Key benefits

  • Nitrogen available for up to 10 weeks
  • Leading quality scores vs. competition
  • Improved blade colour
  • Results at 25% to 33% less nitrogen than otherslow-release N products
  • Minimal nitrate leaching


Product analysis

Total nitrogen (N) 20%
Nitric nitrogen (N) 7.4%%
Ureic nitrogen (N) 12.8%%
Calcium oxide (CaO) 13.2%%
Boron (B) 0.2%


Application Rate:20-100l/ha
Pack Coverage:5,000-1,000m2
Water Rate:300-600l/ha
Product Longevity:4-10 weeks

Product Usage Calendar

*Main Usage Period*Extended Usage Period

Product Gallery

1/1 - iNTrench has undergone a full trial programme at STRI.