For Sales Information, please contact: Western Canada Phone: E-mail: 1 403 250 9100 wcsales@graymont.com Eastern Canada Phone: E-mail: 1 450 449 2262 ecsales@graymont.com Eastern United States Phone: E-mail: 1 814 355 4761 eussales@graymont.com Western United States Phone: E-mail: 1 801 262 3942 wussales@graymont.com

Our Havelock plant produces many products for the agriculture industry.

Graymont produces a wide range of lime-based products used in agriculture. These products are most often referred to as ag-lime. The primary function of ag-lime is to increase soil pH, resulting in a natural way to increase crop yields among a wide-range of soil conditions.

Ag-lime is often applied for the following reasons: improving the physical structure of the soil by reducing surface crusting, increasing a soil's water-holding capacity, and reducing soil erosion. In addition, lime treatment helps crops to better tolerate drought and wet conditions by increasing both root penetration and water percolation through the soil.

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The use of ag-lime to adjust pH in soils can also reduce toxic levels of iron, manganese and aluminum. Iron and manganese exhibit toxicity to plants at a low soil pH. Aluminum increases in solubility as soil pH decreases. High levels of aluminum can restrict root and plant development.

In addition, ag-lime has been shown to increase herbicide effectiveness; increasing nutrient availability to plants while adding calcium to soil.

Graymont supplies this market with a variety of lime-based products including various sizes of ground limestone, hydrated lime and lime kiln dust.