New methods to quantify NH3 volatilization from fertilized surface soil with urea.

dc.contributorANA CAROLINA ALVES, UEMS; PATRICIA PERONDI ANCHAO OLIVEIRA, CPPSE; VALDO RODRIGUES HERLING, USP-FZEA; PAULO CESAR OCHEUZE TREVELIN, USP-CENA; PEDRO HENRIQUE DE CERQUEIRA LUZ, USP-FZEA; TERESA CRISTINA ALVES, CPPSE; RAMON CELLIN ROCHETTI, UNESP/ILHA SOLTEIRA; WALDOMIRO BARIONI JUNIOR, CPPSE.
dc.creatorALVES, A. C.
dc.creatorOLIVEIRA, P. P. A.
dc.creatorHERLING, V. R.
dc.creatorTREVELIN, P. C.
dc.creatorLUZ, P. H. DE C.
dc.creatorALVES, T. C.
dc.creatorROCHETTI, R. C.
dc.creatorBARIONI JUNIOR, W.
dc.date2022-07-22T18:19:50Z
dc.date2022-07-22T18:19:50Z
dc.date2011-09-13
dc.date2011
dc.date.accessioned2023-09-05T01:29:51Z
dc.date.available2023-09-05T01:29:51Z
dc.identifierRevista Brasileira de Ciência do Solo, v. 35, p. 133-140, 2011.
dc.identifierhttp://www.alice.cnptia.embrapa.br/alice/handle/doc/900319
dc.identifierhttps://doi.org/10.1590/S0100-06832011000100012
dc.identifier.urihttps://repositorioslatinoamericanos.uchile.cl/handle/2250/8630715
dc.descriptionGaseous N losses from soil are considerable, resulting mostly from ammonia volatilization linked to agricultural activities such as pasture fertilization. The use of simple and accessible measurement methods of such losses is fundamental in the evaluation of the N cycle in agricultural systems. The purpose of this study was to evaluate quantification methods of NH3 volatilization from fertilized surface soil with urea, with minimal influence on the volatilization processes. The greenhouse experiment was arranged in a completely randomized design with 13 treatments and five replications, with the following treatments: (1) Polyurethane foam (density 20 kg m-3) with phosphoric acid solution absorber (foam absorber), installed 1, 5, 10 and 20 cm above the soil surface; (2) Paper filter with sulfuric acid solution absorber (paper absorber, 1, 5, 10 and 20 cm above the soil surface); (3) Sulfuric acid solution absorber (1, 5 and 10 cm above the soil surface); (4) Semiopen static collector; (5) 15N balance (control). The foam absorber placed 1 cm above the soil surface estimated the real daily rate of loss and accumulated loss of NH3?N and proved efficient in capturing NH3 volatized from urea-treated soil. The estimates based on acid absorbers 1, 5 and 10 cm above the soil surface and paper absorbers 1 and 5 cm above the soil surface were only realistic for accumulated NNH3 losses. Foam absorbers can be indicated to quantify accumulated and daily rates of NH3 volatilization losses similarly to an open static chamber, making calibration equations or correction factors unnecessary.
dc.languagePortugues
dc.languagept_BR
dc.rightsopenAccess
dc.subjectFertilizer N
dc.subjectAmmonia absorber
dc.subject15 N
dc.subjectNH3 N loss
dc.titleNew methods to quantify NH3 volatilization from fertilized surface soil with urea.
dc.typeArtigo de periódico


Este ítem pertenece a la siguiente institución