2019
DOI: 10.37856/bja.v93i3.3164
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Mineral Nitrogen in the Soil With Injected and Surface Application of Swine Slurry With Nitrification Inhibitor

Abstract: Alternativas tecnológicas podem minimizar os impactos negativos dos dejetos líquidos de suínos (DLS) sobre o ambiente, além de melhorar seu efeito como fertilizante. O objetivo deste trabalho foi comparar o efeito do modo de aplicação dos DLS e da ureia, com e sem o uso de inibidor de nitrificação dicianodiamida (DCD), sobre a evolução dos teores de N mineral no solo, nas cultura de milho e trigo, em plantio direto. O trabalho foi conduzido em Cambissolo Húmico Alumínico, utilizando o delineamento experimental… Show more

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(3 citation statements)
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“…The EI DCD acts on the enzyme ammonia monooxygenase, delaying the nitrification (Gonzatto et al, 2016), while the NBPT inhibits the enzyme urease and acts by lengthening the urea hydrolysis period (Manunza et al, 1999). The duration of the effect of inhibition is also distinct, the DCD acts in the soil for up to 30 days, depending on the conditions of temperature and humidity (Kelliher et al, 2008;Rauber et al, 2017Rauber et al, , 2018, while the NBPT has effect not more than 15 days after its application (Dall'Orsoletta et al, 2017). Thus, the treatments with the addition of EI maintained higher soil mineral N content up to the 30 DAA and after this time, with the reduction of the effect of EI, this content tended to be similar among the treatments.…”
Section: Mineral N In the Soilmentioning
confidence: 99%
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“…The EI DCD acts on the enzyme ammonia monooxygenase, delaying the nitrification (Gonzatto et al, 2016), while the NBPT inhibits the enzyme urease and acts by lengthening the urea hydrolysis period (Manunza et al, 1999). The duration of the effect of inhibition is also distinct, the DCD acts in the soil for up to 30 days, depending on the conditions of temperature and humidity (Kelliher et al, 2008;Rauber et al, 2017Rauber et al, , 2018, while the NBPT has effect not more than 15 days after its application (Dall'Orsoletta et al, 2017). Thus, the treatments with the addition of EI maintained higher soil mineral N content up to the 30 DAA and after this time, with the reduction of the effect of EI, this content tended to be similar among the treatments.…”
Section: Mineral N In the Soilmentioning
confidence: 99%
“…However, when applied to PS fertilizer, the EI does not have the same efficiency in maintaining the levels of mineral N, probably because the greater part of the N in this waste are ammonium (Gonzatto et al, 2016), and therefore is not affected by the NBPT. This difference observed between organic and mineral fertilizers must be considered in order to choose the use of EI (Aita et al, 2014;Gonzatto et al, 2016;Rauber et al, 2018).…”
Section: Mineral N In the Soilmentioning
confidence: 99%
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