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(2000) Stienstra, Adriaantje Wilhelmina
Nitrification is an important process in the nitrogen cycle and will be affected by changes in soil conditions. In arable, fertilized soils the nitrate production is high, but in unfertilized soils nitrification seems to be of minor importance. In the Netherlands, the application of high amounts of nitrogen-rich fertilizers during the last fifty years has decreased plant diversity in semi-natural grasslands (hayfields and meadows). To counteract this loss in plant species diversity, the State Forestry Commission started buying pastures from farmers in the 1950s and then implemented a management of impoverishment. ...
Zie: Summary
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document:
http://irs.ub.rug.nl/ppn/191531685 |
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