Essays about: "biochar nitrogen"
Showing result 1 - 5 of 15 essays containing the words biochar nitrogen.
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1. Pyrolysis of Municipal Sewage Sludge to get a phosphorus rich char residue for soil improvement
University essay from Högskolan i Borås/Akademin för textil, teknik och ekonomiAbstract : Sewage sludge is a byproduct of wastewater treatment plants. It is a kind of waste. however, it contains several valuable nutrients like phosphorous and nitrogen that are used to rich the soil as a fertilizer compound. READ MORE
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2. Odlingsförsök med Pinus sylvestris i gransågspån blandat med hydrokol respektive pyrokol
University essay from SLU/School for Forest ManagementAbstract : Torv är det vanligaste odlingssubstratet som används idag till de mer än 400 miljoner skogsplantor som årligen levereras till det svenska skogsbruket. Det låga näringsinnehållet och goda vattenhållande förmågan gör att torven går att anpassa efter behov med gödsling och kalkning. READ MORE
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3. Ammonium and nitrate sorption by biochar
University essay from SLU/Dept. of Soil and EnvironmentAbstract : Biochar has recently drawn attention due to its ability to increase soil fertility, sequester carbon and its expected effect on reducing the leaching of elements from the soil, especially nitrogen. The possibility of using biochar as a soil amendment to reduce the amount of nitrogen leaching, and then reducing the quantities of nitrogen fertilizers used in agriculture to avoid the bad environmental effects has become a matter of great interest. READ MORE
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4. Biochar from separated digestate and pig manure as soil amendment
University essay from SLU/Dept. of Soil and EnvironmentAbstract : The situation in and around the Baltic Sea, with large areas with hypoxia in the sea and areas in the watershed with a high concentration of animal farms, has led to a need to increase the nutrient recycling of animal manure. High levels of phosphorus (P) in the soil lead to leaching, and by reducing the P-level in organic fertilizers, this leaching can be reduced. READ MORE
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5. Hållbara alternativ på substrat i blåbärsodling
University essay from SLU/Dept. of Biosystems and Technology (from 130101)Abstract : En litteraturstudie om hur blåbärsodling skulle kunna genomföras utan att använda torv som odlingssubstrat. Alternativ som tagits upp är biokol, bark, träflis och kokosfiber. Anledningen till att dessa tagits upp är för att de används i en viss utsträckning idag inom den typ av odling. READ MORE