Duration CR

More Control and Flexibility

With longevities and sizes for every application, DURATION CR® fertilizer allows your customers to put together programs to best manage turfgrass and plant nutritional needs.  They can also tailor applications to the conditions – various growth cycles, weather, seasonal changes, traffic patterns and other unique situtations.

LONGEVITIES

45 Day – Early or late season applications, or for use on areas in need of additional nutrients

90 Day – Provides balanced nutrition over targeted portions of the growing season, or for catch-up nutrition

120 Day – Provides needed nutrition to turf or plants with longer growing cycles that may require multiple applications, either early or late in the season or cycle

180 Day – Delivers consistent, dependable nutrition to turf or plants with extended growing cycles of up to six months.

RELEASE CURVES

The above graphs denotes typical nutrient release for 100% DURATION CR  fertilizer technology. The solid blue line indicates nutrient release as a percentage of the total amount and corresponds to the left-side axis. The shaded area represents corresponding release in lbs. & kg of nitrogen (N)  and relates to the right-side axis .

Test Method: Refractive index variation with dissolved fertilizer salt concentration is used to measure the percent release measurements up to 80% release. Release curve is generated by placing a measured weight of DURATION CR fertilizer into a known volume of water. Water is maintained at a constant temperature and the release of nutrient into the water is measured every seven days. Data is plotted to create the typical release curve.