selected publications
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article
- Multinuclear Magnetic Resonance Analysis of Two Humic Acid Fractions from Lowland Rice Soils. Journal of Environmental Quality. 31:421-430. 2002
- Analysis of phosphorus in two humic acid fractions of intensively cropped lowland rice soils by 31P-NMR.. European Journal of Soil Science. 51:391-402. 2000
- Accumulation of heterocyclic nitrogen in humified organic matter: a N-15-NMR study of lowland rice soils. European Journal of Soil Science. 51:379-389. 2000
- Conserved chemical properties of young humic acid fractions in tropical lowland soil under intensive irrigated rice cropping. European Journal of Soil Science. 49:337-349. 1998
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document