Softwood biochar as a soil amendment material for boreal agriculture

Jean-François Ponge, Laurent Derouard, Jean André, Beto Pashanasi, Jean-Pierre Rossi, Patrick Lavelle, Cécile Gilot, Nicolas Bernier, Fabienne Charpentier, Large-scale Effects of Earthworms on Soil Organic Matter and Nutrient Dynamics St. Lucie Press. pp. 103- 122 ,(1998)

Johannes Lehmann, Jose Pereira da Silva Jr., Christoph Steiner, Thomas Nehls, Wolfgang Zech, Bruno Glaser, Nutrient availability and leaching in an archaeological Anthrosol and a Ferralsol of the Central Amazon basin: fertilizer, manure and charcoal amendments Plant and Soil. ,vol. 249, pp. 343- 357 ,(2003) , 10.1023/A:1022833116184

Daniel Fischer, Bruno Glaser, Synergisms between Compost and Biochar for Sustainable Soil Amelioration InTech. ,(2012) , 10.5772/31200

M.H. Ryan, J.F. Angus, Arbuscular mycorrhizae in wheat and field pea crops on a low P soil: increased Zn-uptake but no increase in P-uptake or yield Plant and Soil. ,vol. 250, pp. 225- 239 ,(2003) , 10.1023/A:1022839930134

H. Ahokas, Crop evolution under fire: the past cultivation with sequential kytö burning selected against the shattering weedy forms and comparison between Finnish kytö and Ethiopian guie. Crop evolution under fire: the past cultivation with sequential kytö burning selected against the shattering weedy forms and comparison between Finnish kytö and Ethiopian guie.. ,(2012)

K. C. Uzoma, M. Inoue, H. Andry, H. Fujimaki, A. Zahoor, E. Nishihara, Effect of cow manure biochar on maize productivity under sandy soil condition Soil Use and Management. ,vol. 27, pp. 205- 212 ,(2011) , 10.1111/J.1475-2743.2011.00340.X

W. Römer, Concepts for a more efficient use of phosphorus based on experimental observations. Berichte Uber Landwirtschaft. ,vol. 87, pp. 5- 30 ,(2009)

Benjamin K. Samson, Yoshiyuki Kiyono, Khamdok Songyikhangsuthor, Tatsuhiko Shiraiwa, Hidetoshi Asai, Koki Homma, Takeshi Horie, Haefele M. Stephan, Yoshio Inoue, Biochar amendment techniques for upland rice production in Northern Laos 1. Soil physical properties, leaf SPAD and grain yield Field Crops Research. ,vol. 111, pp. 81- 84 ,(2009) , 10.1016/J.FCR.2008.10.008

Daniela Busch, Claudia Kammann, Ludger Grünhage, Christoph Müller, Simple biotoxicity tests for evaluation of carbonaceous soil additives: establishment and reproducibility of four test procedures. Journal of Environmental Quality. ,vol. 41, pp. 1023- 1032 ,(2012) , 10.2134/JEQ2011.0122

F.J. López-Bellido, L. López-Bellido, R.J. López-Bellido, Competition, growth and yield of faba bean (Vicia faba L.) European Journal of Agronomy. ,vol. 23, pp. 359- 378 ,(2005) , 10.1016/J.EJA.2005.02.002