PACE presentation featured on agronomy website
The American Society of Agronomy recently selected our presentation, “Temporal Variation in Golf Course Soil Chemistry: Case Studies from the Arid Southwest” to showcase on its website. The presentation, one of three selected from over 800 given at the recent Agronomy/Crop Science/Soil Science of America meetings, is being made available to the public, free of charge and allows the viewer to both see and hear the presentation. Visit the Agronomy Society’s Recorded Session website and go to the bottom of the page to select the PACE presentation.
Temporal Variation in Golf Course Soil Chemistry
Agronomy Society of America presentation, by Larry Stowell and Wendy Gelernter, 11/8/05
Click here to view full slide presentation (276 KB)
Summary: Monitoring temporal changes (changes over time) and spatial changes (changes from one location to another) in golf course soils can provide powerful information for golf course superintendents that can:
- Prevent the accumulation of detrimental factors (such as soil salts)
- Prevent deficits of essentail nutrients
- Identify soil moisture and/or irrigation distribution problems
- Pinpoint locations of stressed turf
- Allow site-specific diagnosis and alteration of management practices before turf damage results
Soil Nutritional Guidelines
The BCSR and SLAN approaches to turgrass fertilizer management are no longer recommended by PACE Turf. Refer to the more contemporary Minimum Levels for Sustainable Nutrition (MLSN) guidelines for the recommend approach to managing turfgrass nutrient needs.
The “desired” guideline values were derived based on three different sources of information: sufficiency (SLAN) guidelines, balance (BSCR) guidelines and PACE data collected from good performing golf course greens, tees and fairways. Soil analysis using Melich III extraction by Brookside Laboratories, New Knoxville, OH. Please note that the ppm desired values for potassium, calcium and magnesium are based on a BSCR analysis, using the average TEC values of 9.9, 14.5 and 24 for greens, tees and fairways, respectively. If your TEC values are lower than this, the desired ppm levels of K, Ca and Mg should be concomitantly lowered based on the formulae presented for BSCR deficit correction in PACE Insights 9:9 9 (132 KB pdf).
by Wendy Gelernter, Ph.D. and Larry Stowell, Ph.D., CPAg
