How well do fertilizer enhancers work?

References

• Blennerhassett, J. D., B. F. Quin, M. Zaman, and C. Ramakrishnan. 2006. The potential for increasing nitrogen responses using Agrotain treated urea. Proceedings of the New Zealand Grassland Association 68, 297–301.
   Google Scholar
• Cameron, K. C., H. J. Di, J. L. Moir, R. Christie, and R. Pellow. 2005, June. Using nitrogen: what is best practice? Lincoln, New Zealand, South Island Dairy Event (SIDE) , 17 pp.
   Google Scholar
• Chien, S. H., D. Edmeades, R. McBride, and K. L. Sahrawat. 2014. Review of Maleic–itaconic acid copolymer purported as urease inhibitor and phosphorus enhancer in soils. Agronomy Journal 106 (2):423–430. doi:10.2134/agronj2013.0214.
   Web of Science ®Google Scholar
• Cooper, H. 2010. Research synthesis and meta-analysis. A step-by-step approach. 4th ed. Los Angeles, CA: SAGE. 269 pp.
   Google Scholar
• Cox, N. J. 2011. Stata tip 96: Cube roots. The Stata Journal 11 (1):149–154.
   Web of Science ®Google Scholar
• Degryse, F., B. Ajiboye, R. D. Armstrong, and M. J. McLaughlin. 2013. Sequestration of phosphorus-binding cations by complexing compounds is not a viable mechanism to increase phosphorus efficiency. Soil Science Society of America Journal 77 (6), 2050–2059. doi:10.2136/sssaj2013.05.0165.
   Web of Science ®Google Scholar
• Dobermann, A. 2007. Nutrient use efficiency—measurement and management. In Proceedings of the International Fertilizer Industry Association (IFA) workshop on fertilizer best management practices, 7–9. March 2007, Brussels, Belgium: International Fertilizer Industry Association. 22 pp. Available at: http://www.flipbooksoft.com/upload/books/10-2011/d04ebdcf58f732b3a57e168a032fa516/2007_ifa_fbmp_workshop_brussels.pdf#page=8
   Google Scholar
• Donaghys Industries. 2013. N-Boost trial results. https://www.donaghys.com/n-boost/science/pasture-trial-results (accessed February 25, 2015).
   Google Scholar
• Dunn, D. J., and G. Stevens. 2008. Response of rice yields to phosphorus fertilizer rates and polymer coating. Crop Management 7 (1). doi:10.1094/CM-2008-0610-01-RS.
   Google Scholar
• Edmeades, D. C., and R. M. McBride. 2011 An independent scientific assessment of the efficacy of Avail® and Nutrisphere®. Report to agStraight Ltd, Acknowledge Ltd, Hamilton, New Zealand.
   Google Scholar
• Edmeades, D. C., and R. M. McBride. 2012. Evaluating the agronomic effectiveness of fertilizer products. Proceedings of the New Zealand Grasslands Association 74:217–224.
   Google Scholar
• Faraway, J. J. 2006. Extending the linear model with R: Generalized linear. Mixed effects and nonparametric regression models. Boca Raton, FL: Chapman & Hall CRC Press. 331 pp.
   Google Scholar
• Gordon, W. B. 2005. Improving the efficiency of phosphorus fertilizers. Agricultural Experiment Station Report of Progress (957):34–39. Kansas State University, Manhattan, Kansas. Accessed 25/02/2015. https://www.ksre.k-state.edu/historicpublications/pubs/SRP957.pdf
   Google Scholar
• Gourley, C. J., W. J. Dougherty, D. M. Weaver, S. R. Aarons, I. M. Awty, D. M. Gibson, M. C. Hannah, A. P. Smith, and K. I. Peverill. 2012. Farm-scale nitrogen, phosphorus, potassium and sulfur balances and use efficiencies on Australian dairy farms. Animal Production Science 52:929–944. doi:10.1071/AN11337.
   Web of Science ®Google Scholar
• Hedges, L. H., and I. Olkin. 1985. Statistical methods for meta-analysis. San Diego, CA: Academic Press. 369 pp.
   Google Scholar
• Jenkins, T. A., and P. Randhawa. 2013. Nitrogen response effect of N-Boost – a meta-analysis. In Accurate and efficient use of nutrients on farms, ed. L. D. Currie and C. L. Christensen, 12. http://flrc.massey.ac.nz/publications.html. Occasional Report No. 26. Massey University, Palmerston North, New Zealand: Fertilizer and Lime Research Centre.
   Google Scholar
• Johnstone, P. D., and A. G. Sinclair. 1991. Replication requirements in field experiments for comparing phosphatic fertilizers. Fertilizer Research 29:329–333. doi:10.1007/BF01052402.
   Web of Science ®Google Scholar
• Maindonald, J., and W. Braun. 2010. Data analysis and graphics using R. 3rd ed. New York, NY: Cambridge University Press. 552 pp.
   Google Scholar
• Maindonald, J. H., and N. R. Cox. 1984. Use of statistical evidence in some recent issues of DSIR agricultural journals. New Zealand Journal of Agricultural Research 27:597–610. doi:10.1080/00288233.1984.10418025.
   Web of Science ®Google Scholar
• Martin, R. J., T. J. Van Der Weeden, M. U. Riddle, and R. C. Butler. 2008. Comparison of Agrotain-treated and standard urea on an irrigated dairy pasture. Proceedings of the New Zealand Grassland Association 70:91–94.
   Google Scholar
• Musgrave, M. E. 1994. Cytokinins and oxidative processes. In Cytokinins: Chemistry, activity, and function, ed. D. W. S. Mok and M. C. Mok, 167–178. Boca Raton, FL: CRC Press.
   Google Scholar
• Quin, B. F., J. D. Blennerhassett, and M. Zaman. 2005. The use of urease inhibitor-based products to reduce nitrogen losses from pasture. In Developments in fertilizer application technologies and nutrient management, ed. L. D. Currie and J. A. Hanly, 288–304. Occasional Report No. 18. Palmerston North, New Zealand: Fertilizer and Lime Research Centre, Massey University.
   Google Scholar
• Ramakrishnan, C., M. Zaman, J. D. Blennerhassett, and N. Livermore. 2008. Improving the efficiency of N fertilisers. In Carbon and nutrient management in agriculture, ed. L. D. Currie and L. J. Yates, 278–285. Occasional Report No. 21. Palmerston North, New Zealand: Fertilizer and Lime Research Centre, Massey University.
   Google Scholar
• Randall, G., and J. Vetsch. 2004. Effect of AVAIL on corn production in Minnesota. Waseca, MN: Research Project, Southern Research and Outreach Center. University of Minnesota.
   Google Scholar
• Saggar, S., J. Singh, D. L. Giltrap, M. Zaman, L. Luo, M. Rollo, D.-G. Kim, G. Rys, and T. J. van der Weerden. 2012. Quantification of reductions in ammonia emissions from fertilizer urea and animal urine in grazed pastures with urease inhibitors for agriculture inventory: New Zealand as a case study. Science of the Total Environment 465:136–146. https://doi.org/10.1016/j.scitotenv.2012.07.088.
   Web of Science ®Google Scholar
• Serrano, J. M., J. O. Peça, J. M. Da Silva, and S. Shahidian. 2011. Calibration of a capacitance probe for measurement and mapping of dry matter yield in Mediterranean pastures. Precision Agriculture 12 (6):860–875.
   Web of Science ®Google Scholar
• SFP 2013. AVAIL performance data. http://sfp.com/performance-data/ (accessed February 20, 2013).
   Google Scholar
• Stafford, A., W. Catto, and J. D. Morton. 2008. Ballance agri-nutrients approach to sustainable fertilizer use. In Carbon and nutrient management in agriculture, ed. L. D. Currie and L. J. Yates, 197–205. Occasional Report No. 21. Palmerston North, New Zealand: Fertilizer and Lime Research Centre, Massey University.
   Google Scholar
• Stark, J., and B. Hopkins. 2013. Potato response to phosphorus fertilizer using a dicarboxylic acid polymer. Better Crops with Plant Food, 97 (3):7–10.
   Google Scholar
• Ward, N. 2010. Impact of AVAIL® and JumpStart® on yields and phosphorus response of corn and winter wheat in Kansas. Master of Science Thesis, Kansas State University.
   Google Scholar
• Wiatrak, P. 2013. Evaluation of phosphorus application with Avail on growth and yield of winter wheat in southeastern coastal plains. American Journal of Agricultural and Biological Sciences 8 (3):222–229. doi:10.3844/ajabssp.2013.222.229.
   Google Scholar
• Wilcox, R. R. 2003. Applying contemporary statistical techniques. Amsterdam: Academic Press. 608 pp.
   Google Scholar
• Zaman, M., J. D. Blennerhassett, and B. F. Quin. 2006. The interaction of urease and nitrification inhibitors along with molybdenum on the yield of N fertilised pastures. In Proceedings of the workshop Implementing Sustainable Nutrient Management Strategies in Agriculture, ed. L. D. Currie and J. A. Hanly, 179–186. Fertilizer and Lime Research Centre Occasional Report No. 19. Palmerston North: Massey University.
   Google Scholar
• Zaman, M., M. L. Nguyen, J. D. Blennerhassett, and B. F. Quin. 2008. Reducing NH3, N2O and NO3-N losses from a pasture soil with urease or nitrification inhibitors and elemental S-amended nitrogenous fertilizers. Biology and Fertility of Soils 44:693–705. doi:10.1007/s00374-007-0252-4.
   Web of Science ®Google Scholar