•30
years of nitrate history – research
•1998
Pandivere water protection area established
•2003
Pandivere-Adavere nitrate-sensitive area (NVZ) has been established
–Pandivere
Upland – ground water accumulation area, a lot of karst springs, impact for almost all
territory
–Põltsamaa-Adavere
limestone plateau – relatively thin soil cover on limestone bedrock, also karst areas, impact
mostly local,
identified as nitrate concentration over 50 mg/l
–10%
of Estonia, involving three counties, NVZ covers ca 160,000 ha of arable land
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