Golf Course Management

AUG 2019

Golf Course Management magazine is dedicated to advancing the golf course superintendent profession and helping GCSAA members achieve career success.

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Page 68 of 107

08.19 GOLF COURSE MANAGEMENT 65 Solubility of soil-applied iron Soil-applied iron can be an effective fertilizer for turf if chelated iron sources are used and the soil has the proper pH. Whether iron is applied for disease sup- pression or simply to increase greening, it is a common component of many turfgrass nutritional programs. Within the plant, iron Travis W. Shaddox, Ph.D. Hanzhuo Fu, Ph.D. David S. Gardner, Ph.D. Ryan M. Goss, Ph.D Elizabeth A. Guertal, Ph.D. William C. Kreuser, Ph.D. Grady L. Miller, Ph.D. Barry R. Stewart, Ph.D. Kaiyuan Tang, M.S. J. Bryan Unruh, Ph.D. plays a key role in photosynthesis via the activity of ferrodoxin, which is an impor - tant electron-transfer molecule. In addition, iron is involved in the biosynthesis of chlo - rophyll — the green plant pigment — and chlorophyll proteins (1). In fact, many of the functions of iron are closely connected to chlorophyll, which is one reason why the Figure 1. Iron sulfate granules caused stains on this sidewalk. Photos by T. Shaddox

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