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J.G. Williamson and E.P. Miller

slightly greater for plants fertilized with granular than with liquid fertilizer during 2003 and 2004. This may have been due to differences in fertilizer placement between the two application methods. Most of the granular fertilizer was applied to a 2- to

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Richard O. Carey, George J. Hochmuth, Christopher J. Martinez, Treavor H. Boyer, Vimala D. Nair, Michael D. Dukes, Gurpal S. Toor, Amy L. Shober, John L. Cisar, Laurie E. Trenholm and Jerry B. Sartain

24 h after fertilization (0.5–1.75 mg·L −1 ). Light irrigation or “watering-in” of fertilizers decreases runoff by enhancing P dissolution and movement into soils ( Shuman, 2004 ). Fertilizer placement. Studies have suggested that broadcast

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Bee Ling Poh, Aparna Gazula, Eric H. Simonne, Francesco Di Gioia, Robert C. Hochmuth and Michael R. Alligood

), fertilizer placement ( Cook and Sanders, 1990 ), using slow-release fertilizers ( Fan and Li, 2009 ; Guertal 2009 ; Koivunen and Horwath, 2005 ; Morgan et al., 2009 ), planting cover crops ( Wang et al., 2005 ), and/or reducing, splitting, or adjusting

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James E. Altland and Jennifer K. Boldt

. (In press) Broschat, T. 2007 Effects of mulch type and fertilizer placement on weed growth and soil pH and nutrient content HortTechnology 17 174 177 Chalker-Scott, L. 2007 Impact of mulches on landscape plants and the environment – A review J. Environ

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Arnold W. Schumann

the computer to predict, so that the hydraulic valve and conveyor belt response time, fertilizer particle drop time, and other mechanical delays can effectively be subtracted ahead of the fertilizer placement point. If look ahead is not implemented

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James W. Julian, Bernadine C. Strik, Handell O. Larco, David R. Bryla and Dan M. Sullivan

648 655 Broschat, T.K. 2007 Effects of mulch type and fertilizer placement on weed growth and soil pH and nutrient content HortTechnology 17 174 177 Burkhard, N. Lynch, D. Percival, D. Sharifi, M. 2009 Organic mulch impact on vegetation dynamics and

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Makhan S. Bhullar, Simerjeet Kaur, Tarundeep Kaur and Amit J. Jhala

experiments Weed Technol. 25 165 169 Broschat, T.K. 2007 Effects of mulch type and fertilizer placement on weed growth and soil pH and nutrient content HortTechnology 17 174 177 Bushnell, J. Welton, F.A. 1931 Some effect of straw mulch on yield of potatoes J

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Paul B. Francis and C. Robert Stark, Jr.

properties and tomato yield and quality in alternative cropping systems Agron. J. 92 924 932 Cook, W.P. Sanders, D.C. 1990 Fertilizer placement effects on soil nitrogen and use by drip-irrigated and plastic-mulched tomatoes HortScience 25 767 769 Ferrario, S

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James L. Walworth, Scott A. White, Mary J. Comeau and Richard J. Heerema

increased leaf Zn concentrations; however, no unfertilized controls were included, treatments were not replicated, and the data were not statistically analyzed. Zn fertilizer placement is also critical. Zinc oxide (ZnO) and ZnSO 4 were broadcast on a limed

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M. Murshidul Hoque, Husein Ajwa, Mona Othman, Richard Smith and Michael Cahn

residual P status of soil such as planting season, variety, and fertilizer placement may change the P fertilizer requirement. Studies report varied reactions of vegetable crops to K application ( Alt, 1987 ). Soundy and Smith (1992) reported a quadratic