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Slurry field management and ammonia emissions under M editerranean conditions
Author(s) -
Yagüe M. R.,
BoschSerra A. D.
Publication year - 2013
Publication title -
soil use and management
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.709
H-Index - 81
eISSN - 1475-2743
pISSN - 0266-0032
DOI - 10.1111/sum.12061
Subject(s) - volatilisation , slurry , splash , ammonia , flux (metallurgy) , environmental science , ammonium , ammonia volatilization from urea , spring (device) , nitrogen , environmental chemistry , hydrology (agriculture) , zoology , chemistry , environmental engineering , atmospheric sciences , meteorology , biology , geotechnical engineering , geology , physics , organic chemistry , thermodynamics
In S pain, farmers are interested in applying pig ( S us scrofa domesticus ) slurry ( PS ) to their fields throughout the year. During the spring and summer months, ammonia ( NH 3 ) volatilization may be high. We studied the potential range of NH 3 losses under a warm and a hot period of the year, using available field practices, and two strategies: PS directly incorporated into the soil, in spring ( I ‐spring); and PS applied by splash‐plate, in summer time ( SP ‐summer), both to bare soil. Measurements were conducted, after PS application, using the micrometeorological mass balance integrated horizontal flux method. The cumulative NH 3 ‐N volatilization was 35% ( I ‐spring) and 60% ( SP ‐summer) of total ammonium nitrogen applied, and half of the total NH 3 ‐N losses happened by 17 h and 8 h, respectively, after application. Incorporation strategy was less effective in avoiding NH 3 losses than is described in the literature. This fact has important consequences for the implementation of NH 3 mitigation measures in M editerranean agricultural systems.