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T1  - Potential of biochar soil amendments to reduce N leaching in boreal field conditions estimated using the resin bag method 
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UR  - http://hdl.handle.net/10138/329899 
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A1  - Karhu, Kristiina; Kalu, Subin; Seppänen, Aino; Kitzler, Barbara; Virtanen, Eetu 
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Y1  - 2021 
LA  - eng 
AB  - Addition of biochar to soil has been shown to reduce nitrogen (N) leaching in pot experiments, but direct field measurements are scarce, and data is lacking especially from colder, boreal conditions. We studied the effect of soil organic amendments on nitrate (NO3-) and ammonium (NH4+) leaching using the resin bag method, by placing the bags containing ion-exchange resins under the plough layer. We compared N leaching under five different treatments at the Päästösäästö project site (Soilfood Oy)... 
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KW  - 4112 Forestry; Biochar; N leaching; Nitrate Ammonium; Nitrate retention; Microbial biomass; Biochar; N leaching; Nitrate; Ammonium; Nitrate retention; Microbial biomass; MICROBIAL BIOMASS; NITROGEN DYNAMICS; NUTRIENT RETENTION; CLIMATE-CHANGE; BLACK CARBON; CLAY SOIL; NITRATE; MINERALIZATION; STABILITY; EMISSIONS 
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