Assessing Tillage Systems for Reducing Ammonia Volatilization from Spring-Applied Slurry Manure

A. Sadeghpour, M. Hashemi, S. A. Weis, John Thomas Spargo, S. Mehrvarz, S. J. Herbert

Research output: Contribution to journalArticle

7 Citations (Scopus)

Abstract

The effect of tillage management on NH3-N volatilization and its influence on succeeding corn (Zea mays L.) silage production were studied at the University of Massachusetts Agricultural Experiment Station (South Deerfield, MA) during 2010–2012 growing seasons. Tillage treatments consisted of disking before and after manure application, solid-tine aeration before and after manure application, and no-till management. The greatest NH3-N loss (61 percent) occurred within the first 8 h after slurry manure application regardless of tillage management. The greatest NH3-N emission occurred with surface application (no-till), which ranged between 5.2 and 10.3 kg NH3-N ha−1 (9–20 percent of NH3-N applied) over the 3 years of the study. Immediate incorporation of manure into soil through disking reduced NH3-N loss by 66 to 75 percent. Ammonia loss abatement with aeration before or after manure application ranged from 13 to 41 percent compared with surface manure application. Tillage management did not influence corn silage yield or quality.

Original languageEnglish (US)
Pages (from-to)724-735
Number of pages12
JournalCommunications in Soil Science and Plant Analysis
Volume46
Issue number6
DOIs
StatePublished - Mar 26 2015

Fingerprint

volatilization
slurry
tillage
manure
ammonia
silage
discing
aeration
no-tillage
maize
agricultural experiment stations
corn silage
growing season
Zea mays
corn
loss
soil
experiment

All Science Journal Classification (ASJC) codes

  • Agronomy and Crop Science
  • Soil Science

Cite this

Sadeghpour, A. ; Hashemi, M. ; Weis, S. A. ; Spargo, John Thomas ; Mehrvarz, S. ; Herbert, S. J. / Assessing Tillage Systems for Reducing Ammonia Volatilization from Spring-Applied Slurry Manure. In: Communications in Soil Science and Plant Analysis. 2015 ; Vol. 46, No. 6. pp. 724-735.
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Assessing Tillage Systems for Reducing Ammonia Volatilization from Spring-Applied Slurry Manure. / Sadeghpour, A.; Hashemi, M.; Weis, S. A.; Spargo, John Thomas; Mehrvarz, S.; Herbert, S. J.

In: Communications in Soil Science and Plant Analysis, Vol. 46, No. 6, 26.03.2015, p. 724-735.

Research output: Contribution to journalArticle

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