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Travis Wayne Shaddox and Joseph Bryan Unruh

putting green likely resulted in additional thatch, which resulted in a softer surface, as shown in Fig. 2 . In addition, topdressing and aerification was conducted only once in Jay, which is considered minimal and may have contributed to the softer

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Michele Bakacs, Amy Rowe, William T. Hlubik, and Jan Zientek

comparison with before they completed the Rutgers University Organic Land Care Certificate course; i.e., using native plants in the landscape, reducing stormwater runoff, mulching, aerating a lawn, applying compost topdressing, etc. Two questions were also

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Benjamin K. Hoover

the United States since the early 1900s in nurseries ( Retan, 1915 ) and as a soil amendment or topdressing for turfgrass ( Morley, 1927 , 1929 ) in char or charcoal form. Biochar has been studied as a potential substrate component for horticultural

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Ida Di Mola, Youssef Rouphael, Giuseppe Colla, Massimo Fagnano, Roberta Paradiso, and Mauro Mori

of 0.72% (w/w), total N at 0.56%, available P at 6.7 mg·kg −1 , and exchangeable K at 107 mg·kg −1 . In both growing years, preplant fertilizers were broadcast (kg·ha −1 ; 130 P 2 O 5 and 150 K 2 O) and incorporated into the soil. Additional top-dressing

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William C. Kreuser and Frank S. Rossi

device fitted with golf spikes designed to simulate 30,000 rounds of golf/year ( Cockerham and Brinkman, 1989 ). Liquid ammonium sulfate fertilizer was applied weekly at 10 kg nitrogen/ha throughout the growing season. Topdressing was applied monthly to

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Shichao Wang, Xinlu Bai, Jianbin Zhou, and Zhujun Chen

inputs for the formula treatments were applied as base fertilizer. A topdressing of N and K fertilizer was applied using the drip irrigation system (fertigation) five to seven times equally at 10- to 15-d intervals when the first fruit began expansion

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Sabine R. Green, Geno A. Picchioni, Leigh W. Murray, and Marisa M. Wall

were fertilized with a topdressing of 14N–6.2P–11.6K slow-release fertilizer (Osmocote, Scotts) at ≈0.14 oz/ft 2 tray surface area. Seedlings were hand-watered as necessary in the greenhouse until 27 Mar. (about 3 weeks after emergence), at which time

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Eugene K. Blythe and Donald J. Merhaut

.7 ºC, with an overall average temperature of 27.2 ºC during the 12-week period. Temperature of the substrate during the study was suitable for release of nutrients into the substrate solution from the topdressing-applied prills of Polyon 17N–2.1P–9.1K

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John Watson, François Hébert, Eric M. Lyons, Theo Blom, and Katerina S. Jordan

topdressing management USGA Green Section Record. 13 7 9 Sprague, H.B. Evaul, E.E. 1930 Experiments with turf grasses in New Jersey. New Jersey Agr. Expt. Sta. Bul. 497. Throssel, C.S. Lyman, G.T. Johnson, M.E. Stacey, G.A. 2009 Golf course environmental

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Edward J. Nangle, David S. Gardner, James D. Metzger, John R. Street, and T. Karl Danneberger

the establishment period, which was limited in 2006 compared with a full winter with sufficient sunlight in the fall as well as standard management practices occurring in the fall including topdressing and late-season fertilization before the 2007