De samenstelling van het bodemvocht en grondwater onder de bosbekalking- en bosbemestingproefvelden te Harderwijk en St. Anthonis
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Authors
Denier van der Gon HACType
ReportLanguage
nl
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De samenstelling van het bodemvocht en grondwater onder de bosbekalking- en bosbemestingproefvelden te Harderwijk en St. AnthonisTranslated Title
The composition of soil solution and groundwater under the forest liming and fertilization plots near Harderwijk and St. AnthonisPubliekssamenvatting
Abstract niet beschikbaarAnnual inventories carried out in the Netherlands indicate that 50% of the national forests is damaged. One of the measures that could possibly counteract the effects of acidic depostion is forest liming. Experimental liming plots are made in St. Anthonis (Peel region) and Harderwijk to study the effects of forest liming. This report evaluates measurements during 1 year after liming on plots near St. Anthonis and a one-time inventory of the soil solution composition 3 years after liming on the plots near Harderwijk. The results from the St. Anthonis site show a significant relationship between forest liming and nitrate leaching. Due to other processes in the saturated zone (such as denitrification) the net effect is only a minor increase of the groundwater nitrate concentration. The measurements at the Harderwijk site do not indicate nitrate leaching due to liming but a one time inventory of soil solution is too small a basis for conclusions on long term effects. The increase of nitrate leaching due to liming probably depends largely on local factors such as soil type, groundwater level and organic matter content.
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LNV/BLB RIVMCollections