Nitrification and Urease Inhibitors - Indiana CCA Program

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ATS has nitrification <strong>and</strong> urease inhibiting properties. It is not as effective generally as nitrapyrin, DCD, or NBPT. ATS is most effective as a nitrification inhibitor at concentrations of 25 ppm S. (0.1% ATS) Under warm conditions (>60 o F), mineralization is complete in a week. Under cooler temperatures, mineralization is slower; about 3 weeks.
In a fall application of aqua ammonia with ATS compared with nitrapyrin, similar ammonia concentration was found in the spring with the two products (Goos <strong>and</strong> Johnson, 1999.)
Page 1 and 2: Nitrification and Urease Inhibitors
Page 3 and 4: Corn N timeline Application Period
Page 5 and 6: Nitrification inhibitors- N-Serve®
Page 7 and 8: Some studies showed a yield increas
Page 9 and 10: Wisconsin- Corn yield increase with
Page 11 and 12: DCD No. of comparisons With Total s
Page 13 and 14: NBPT (N-(n-butyl) thiophosphoric ac
Page 15 and 16: Indiana- Purdue, unpublished work b
Page 17: Nitrification and urease inhibitors
Page 21 and 22: Nutrisphere, SFP Specialty Products
Page 23 and 24: Effects of N additive, averaged ove
Page 25 and 26: (Research by R.J. Goos, in Franzen
Page 27 and 28: More recent laboratory studies by D
Page 29 and 30: Goos, 2012
Page 31 and 32: • Urea hydrolysis studies • Ure
Page 33 and 34: • Urease inhibition studies • A
Page 35 and 36: • Goos, 2012 unpublished
Page 39 and 40: • Goos, 2012, unpublished
Page 41 and 42: Objectives • To evaluate NSN as a
Page 43 and 44: Experiment 1 Goos, 2012
Page 45 and 46: • Experiment 2 Goos, 2012
Page 49 and 50: • Proposed mode of action for NSN
Page 51 and 52: • Experiment 4 • Thirteen carbo
Page 53 and 54: • Experiment 5 • 5 mL THAM (0.2
Page 55 and 56: • Experiment 6 • 5 mL THAM (0.2
Page 57 and 58: • Experiment 1--NSN did not inhib
Page 59 and 60: One possible reason for the yield i
Page 61 and 62: SUMMARY- Agrotain is a proven ureas
Page 63 and 64: SUMMARY- Nutrisphere has no nitrifi

Nitrification and Urease Inhibitors - Indiana CCA Program

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