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Land management impacts on soil water erosion and loss of nutrients (CROSBI ID 680394)

Prilog sa skupa u zborniku | sažetak izlaganja sa skupa | međunarodna recenzija

Telak, Leon Josip ; Bogunovic, Igor ; Rodrigo- Comino, Jesus Land management impacts on soil water erosion and loss of nutrients // TERRAENVISION Abstracts. Barcelona, 2019. str. 1-2

Podaci o odgovornosti

Telak, Leon Josip ; Bogunovic, Igor ; Rodrigo- Comino, Jesus

engleski

Land management impacts on soil water erosion and loss of nutrients

Humans are the driving factor of soil erosion and degradation. Therefore, sustainable land management practices should be developed and applied. The aim of this study was to determine land management impacts on soil properties, soil loss and nutrient loss in 3 different treatments ; grass-covered vineyard (GCV), tilled vineyard (TV), and tilled hazelnut orchard (HO). The study area is located in Orahovica, Croatia (45°31’ N, 17°51’ E ; elevation 230 m) on ~7 ° slope. The soil under the study area was classified as a Stagnosol. 8 rainfall simulations (58 mm h-1, during 30 min, over 0.785 m2 plots) were performed at each treatment where the next data were noted: ponding time, runoff time, and collection of overland flow. Soil samples were taken for determination of mean weight diameter (MWD), water stable aggregates (WSA), P2O5 content, and organic matter content. Analyses of sediment revealed concentrations of P2O5 and N. All three treatments had significantly different values of MWD (GCV 3.30 mm ; TV 2.94 mm ; HO 2.16 mm), while WSA and organic matter significantly differs between GCV and HO. The infiltration rate showed no significant difference between treatments. Sediment yield was significantly the highest at the TV (21.01 g kg-1 runoff), while no significant difference was noted between GCV (2.91) and HO (6.59). Sediments of GCV treatment showed higher concentrations of P2O5 and N, compared to TV and HO. Nutrients loss was highest in the TV (450.3 g P2O5 ha-1 ; 1891.7 g N ha-1) as a result of highest sediment yield, despite the fact GCV had the highest nutrients concentrations. Results indicate that land management (and/or tillage) affects soil properties and their stability. Even tough HO was tilled and had the lowest values of organic matter, WSA, and MWD, measurements were performed immediately after tillage where the plant residues reduced potential erodibility of the soil. Such results reveal that tillage should be avoided in vineyard and hazelnut production in order to prevent soil and nutrient losses.

Soil erosion ; nutrient loss ; rainfall simulations ; land management

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Podaci o prilogu

1-2.

2019.

objavljeno

Podaci o matičnoj publikaciji

TERRAENVISION Abstracts

Barcelona:

Podaci o skupu

TERRAenVISION 2019: Working towards the Sustainable Development Goals

poster

02.09.2019-07.09.2019

Barcelona, Španjolska

Povezanost rada

Poljoprivreda (agronomija)