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Luther C. Carson and Monica Ozores-Hampton

-efficiency fertilizers (EEFs), which may increase the fertilizer use efficiency by maintaining nutrients, such as nitrogen (N), phosphorus (P), and potassium (K), near the point of placement and reducing leaching losses rather than becoming an environmental pollutant

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Oscar L. Vargas, David R. Bryla, Jerry E. Weiland, Bernadine C. Strik and Luna Sun

( Bryla and Machado, 2011 ; Ehret et al., 2014 ; Vargas and Bryla, 2015 ). Some advantages of fertigation may include greater fertilizer use efficiency, a lower risk of “salt burn,” and reduced energy and labor costs ( Burt et al., 1998 ). However

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Charles E. Barrett, Lincoln Zotarelli, Lucas G. Paranhos, Peter Dittmar, Clyde W. Fraisse and John VanSickle

fertilizer rates to increase water and fertilizer use efficiencies while increasing plant population. In two follow up studies, Paranhos et al. (2016a , 2016b ) examined the effects of planting date on plasticulture grown cabbage over the course of the

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Ibukun T. Ayankojo, Kelly T. Morgan, Monica Ozores-Hampton and Kati W. Migliaccio

scheduling Agr. Water Mgt. 96 23 34 Zotarelli, L. Dukes, M.D. Scholberg, J.M.S. Munoz-Carpena, R. Icerman, J. 2009b Tomato nitrogen accumulation and fertilizer use efficiency on a sandy soil, as affected by nitrogen rate and irrigation scheduling Agr. Water

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Sara Andrea Moran-Duran, Robert Paul Flynn, Richard Heerema and Dawn VanLeeuwen

essential for higher plants J. Plant Physiol. 85 801 803 Caliskan, S. Ozkaya, I. Caliskan, M.E. Arslan, M. 2008 The effects of nitrogen and iron fertilization on growth, yield and fertilizer use efficiency of soybean in a Mediterranean-type soil Field Crops

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Monica Ozores-Hampton, Francesco Di Gioia, Shinjiro Sato, Eric Simonne and Kelly Morgan

fertilizer use efficiency on a sandy soil, as affected by nitrogen rate and irrigation scheduling Agr. Water Mgt. 96 1247 1258 Zotarelli, L. Scholberg, J.M.S. Dukes, M.D. Muñoz-Carpena, R. Icerman, J. 2009b Tomato yield, biomass accumulation, root

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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

Nielson, L. Smith, C.L. 2005 Influences on residential yard care and water quality: Tualatin watershed, Oregon J. Amer. Water Resources Assn. 41 93 106 Obreza, T.A. Sartain, J.B. 2010 Improving nitrogen and phosphorus fertilizer use efficiency for Florida

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H.M. Mathers, S.B. Lowe, C. Scagel, D.K. Struve and L.T. Case

substrates can be increased by increasing the percentages of coarse particles or using deeper containers; however, too high a proportion of coarse components can decrease P v , efficiency of water and fertilizer use, efficiency of root function, and plant

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Carolyn F. Scagel, Guihong Bi, Leslie H. Fuchigami and Richard P. Regan

.T. Malzer, G.L. 1990 Nitrogen management and nitrification inhibitor effect on nitrogen-15 urea: I. Yield and fertilizer use efficiency Soil Sci. Soc. Amer. J. 54 115 122 Witt, H.H. 1994 Regulation of nitrogen supply

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Joji Muramoto, Richard F. Smith, Carol Shennan, Karen M. Klonsky, James Leap, Miriam Silva Ruiz and Stephen R. Gliessman

broccoli production and fertilizer use efficiency Agron. J. 75 502 507 Liebman, M. Davis, A.S. 2009 Managing weeds in organic farming systems: An ecological approach 173 195 Francis C.A. Organic farming: The ecological systems Agron. Soc. Amer., Crop Sci