H. Takesako

Development of a nitrate ion-selective electrode based on an Urushi matrix membrane and its application to the direct measurement of nitrate-nitrogen in upland soils.

S. Ito, Y. Asano, K. Baba, 1996, Talanta.

Temporal and spatial variation in physiochemical and microbial properties of soils in Chiba University's Environmental Horticulture and Forestry Farm ―Comparative research of results in 2002, 2003 and 2011―

T. Kosaki, Hirohiko Nagano, K. Tamura, 2013 .

Effect of cation-exchange pretreatment of aqueous soil extracts on the gas chromatographic-mass spectrometric determination of nerve agent hydrolysis products after tert.-butyldimethylsilylation.

H. Ohta, Y. Seto, N. Tsunoda, 1998, Journal of chromatography. A.

Kanto-Koushinetsu Region

H. Sumida, M. Kawahigashi, Y. Shiratori, 2021 .

Isolation and purification of hydrophilic fulvic acids by precipitation

S. Hiradate, H. Takesako, T. Yonezawa, 2006 .

Holocene volcanic soils in the Mt. Gambier region, South Australia

D. Chittleborough, G. Churchman, D. Lowe, 2010 .

Fine fractionation and purification of the fulvic acid fraction using adsorption and precipitation procedures

S. Hiradate, H. Takesako, T. Yonezawa, 2007 .