今日,木庭研Kくんが紹介するのは
Phosphate buffer–extractable organic nitrogen as an index of soil-N availability for sorghum and pearl millet
Asako Mori and Kensuke Okada
Journal of Plant Nutrition and Soil Science, 2010
http://onlinelibrary.wiley.com/doi/10.1002/jpln.200900282/abstract
です。PEON。