https://ogma.newcastle.edu.au/vital/access/ /manager/Index ${session.getAttribute("locale")} 5 https://ogma.newcastle.edu.au/vital/access/ /manager/Repository/uon:14182 Wed 11 Apr 2018 15:04:00 AEST ]]> https://ogma.newcastle.edu.au/vital/access/ /manager/Repository/uon:36833 Wed 08 Jul 2020 15:47:42 AEST ]]> https://ogma.newcastle.edu.au/vital/access/ /manager/Repository/uon:868 Sat 24 Mar 2018 08:31:30 AEDT ]]> https://ogma.newcastle.edu.au/vital/access/ /manager/Repository/uon:10035 Sat 24 Mar 2018 08:12:16 AEDT ]]> https://ogma.newcastle.edu.au/vital/access/ /manager/Repository/uon:30925 −1, 1 h) at plot scale (0.25 m²) to characterize the runoff initiation and sediment detachment. In recent vine plantations (<1 year since plantation; R) compared to old ones (>50 years; O). Slope gradient, rock fragment cover, soil surface roughness, bulk density, soil organic matter content, soil water content and plant cover were determined. Plantation of new vineyards largely impacted runoff rates and soil erosion risk at plot scale in the short term. Tp, Tr and Tro were much shorter in R plots. Tr-Tp and Tro-Tr periods were used as connectivity indexes of water flow, and decreased to 77.5 and 33.2% in R plots compared to O plots. Runoff coefficients increased significantly from O (42.94%) to R plots (71.92%) and soil losses were approximately one order of magnitude lower (1.8 and 12.6 Mg ha⁻¹ h⁻¹ for O and R plots respectively). Soil surface roughness and bulk density are two key factors that determine the increase in connectivity of flows and sediments in recently planted vineyards. Our results confirm that plantation of new vineyards strongly contributes to runoff initiation and sediment detachment, and those findings confirms that soil erosion control strategies should be applied immediately after or during the plantation of vines.]]> Sat 24 Mar 2018 07:39:00 AEDT ]]> https://ogma.newcastle.edu.au/vital/access/ /manager/Repository/uon:45605 −2) was able to delay the time to ponding from 32 to 52 s and the time to runoff initiation from 57 to 129 s. Also, the mulching reduced the runoff coefficient from 65.6 to 50.5%. The effect on sediment transport was even more pronounced, as the straw mulch reduced the sediment concentration from 16.7 g l⁻¹ to 3.6 g l⁻¹ and the soil erosion rates from 439 g to 73 g. Our results indicated that mulching can be used as a useful management practice to control soil erosion rates due to the immediate effect on high soil detachment rate and runoff initiation reduction in conventional clementine orchards on sloping land, by slowing down runoff initiation and by reducing runoff generation and, especially, sediment losses. We indirectly concluded that straw mulch is also a sustainable solution in glyphosate-treated citrus plantations.]]> Fri 04 Nov 2022 14:46:01 AEDT ]]>