Combination of cattle urine and dung patches synergically increased nitrous oxide emissions from temperate grassland under wet conditions
It contains experimental data from the study "Combination of cattle urine, and dung patches synergically increased nitrous oxide emissions from temperate grassland under wet conditions". Abstract: Separate and combined cattle urine and dung patches were applied on a grassland. Nitrous oxide and methane emissions were monitored for 98 days in two seasons (dry and wet). Emission factors were determined. Ammonium (NH4), nitrate (NO3) and water full pore space (%WFPS) was monitored. Research Data includes the following variables over the sampled periods: - N2O and CH4 fluxes, cumulative emissions and EF. - NH4 and NO3 soil content and WFPS in soil
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This study investigated the effect of combined cattle dung and urine depositions on N2O and CH4 emissions, compared with emissions from separate depositions, under different weather conditions. Local emission factors (EFs) were then calculated for both gases. Two field experiments were performed during two 98-day trials under dry and wet conditions in Tandil, Argentina. Treatments included fresh excreta patches of urine (0.75 L), dung (2.50 kg), dung + urine (2.50 kg + 0.75 L) from Holstein dairy cows, and a control (without excreta). Soil and excreta properties were analysed, and N2O and CH4 fluxes from the patches were measured using the static chamber technique.