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 Preface
- Oenerna O., Sapek A.: Controlling nitrogen oxide emissions from grassland farming systems; the COGANOG project
- Sapek B., Barszczewski J.: Characteristics of the long-term meadow experiments in Janki and Laszczki; a description of the sites, soils, treatments and some results
- Sapek B., Estavillo J.M., Corre WJ.: Amounts of ammonium and nitrate in grassland soil as a function of soil pH and fertiliser nitrogen application
- Corre W.J., Sapek B., Sapek A.: Concentrations of oxygen, nitrous oxide and carbon dioxide in the soil as a function of soil pH and nitrogen fertilisation
- Merino P., Yamulki S., Pinto M., del Prado A., Sapek B., Pietrzak S.: Effects of soil pH and application of nitrogen fertilisers on emissions of nitrogen oxides from grassland. The Laszczki experiment
- Yamulki S., Joscelyne P., Jarvis S.C., Sapek B., Pietrzak S.: Effects of soil pH and application of nitrogen fertilisers on emissions of nitrogen oxides from grassland. The Janki experiment
- Estavillo J.M., Merino P., Wrage N, Dixon L., Corre W.J., Sapek B, Płodzik M.: The influence of soil pH and nitrogen fertiliser application on N'O production from nitrification and denitrification
- Wrage N., Dixon L., Estavillo J.M., Nawalany P., Oenema O.: The influence of soil pH and nitrogen fertiliser application on N,O production by nitrifier denitrification. Some preliminary results
- Gebauer G., Lauf J., May C., Tilsner J., Sapek B., Sapek A.: Effects of type and amount of nitrogen fertiliser application and of liming on 'S N abundance and total nitrogen concentrations in the soil and vegetation of grassland in Poland
- Oenerrca O., Sapek A.: Effects of soil acidity and nitrogen fertilizer application on gaseous nitrogen oxide emissions from mown grassland. Some concluding remarks
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