Image Database Export Citations


Farm Level Cost of Reducing Nitrate Leaching by Economic Instruments in Croatian Farming Systems

Show simple item record

dc.contributor.author Sumelius, John en_US
dc.contributor.author Grgic, Zoran en_US
dc.contributor.author Mesic, Milan en_US
dc.contributor.author Franic, Ramona en_US
dc.date.accessioned 2009-07-31T15:11:13Z
dc.date.available 2009-07-31T15:11:13Z
dc.date.issued 2002 en_US
dc.date.submitted 2009-06-18 en_US
dc.date.submitted 2009-06-18 en_US
dc.identifier.uri https://hdl.handle.net/10535/3975
dc.description.abstract "Croatian farming systems have become more intensive in recent years. There is some evidence of rising NO3-N-levels in ground water. The aim of the paper is to find pos-sible ways of preventing NO3-levels to rise in Croatian farming systems and their implications from the viewpoint of the manager. More specifically the purpose is to 1. Determine whether Croatian farmers exceed profit maximising levels of N-fertiliser use in maize cultivation and possible influence on NO3-N-levels. 2. To estimate the marginal abatement cost (MAC) at farm level of reducing NO3-N leaching through following economic instruments: a tax on optimal N-doses, a product tax and a N-fertiliser quota, all instruments corresponding to the same abatement level. Based on N-response experiments from field trials for maize N-response curves were derived. A sample of 20 family farms was used to calculate intensity, nutrient content in manure and the prices paid for N and obtained for maize. Profit maximising doses from the field trials were compared with nutrient use on farms. An effluent production function was estimated based on experiments with NO3-N contents in lysimeter water for the same treatments as in the N-response experiments. The results indicate that farmers use higher than optimal levels of N-fertilisers, if the technology and conditions of experimental fields could be applied on the farms and if manure is accounted for. Neglecting the N-content of the manure shows close to optimal nutrient levels. At profit maximising levels the NO3-N level is approximately 14 mg NO3-N/l (62 mg NO3/l) or clearly higher that the critical level stipulated by the nitrate directive (11.3 mg NO3-N/l or 50 mg NO3/l). If the N-content in the manure is taken into account the esti-mated NO3-N/l level in groundwater is about twice higher than the critical level stipulated by the Nitrate Directive. Through any of the three instruments a 76% NO3-leaching reduction could be obtained. However, it was concluded the quota has the lowest MAC (4.08 mg NO3-N/l or 0.92 mg NO3/l), followed by the N-fertiliser tax (16.16 mg NO3-N/l or 3.65 mg NO3/l) and the product tax in third place (41.25 mg NO3-N/l or 9.32 mg NO3/l). Management practices that may increase yield level and correspondingly NO3-leaching in the short and long run were identified. One way to achieve a quick improvement would be a system of cross compliance stipulating a code of good agricultural practices." en_US
dc.relation.ispartofseries CEESA Discussion Paper, No. 11/2002 en_US
dc.subject agriculture en_US
dc.subject pollution en_US
dc.subject maize en_US
dc.subject fertilizer en_US
dc.subject groundwater en_US
dc.title Farm Level Cost of Reducing Nitrate Leaching by Economic Instruments in Croatian Farming Systems en_US
dc.type Working Paper en_US
dc.publisher.workingpaperseries Sustainable Agriculture in Central and Eastern European Countries (CEESA), Berlin, Germany en_US
dc.coverage.region Europe en_US
dc.coverage.country Croatia en_US
dc.subject.sector Agriculture en_US

Files in this item

Files Size Format View
dp020011.pdf 144.2Kb PDF View/Open

This item appears in the following document type(s)

Show simple item record