Potassium content in soil, uptake in plants and the potassium balance in three European long-term field experiments L. BlakeS. MercikD.S. Powlson OriginalPaper Pages: 1 - 14
Modelling the effect of active roots on soil organic matter turnover Pierre BottnerMarc PansuZaher Sallih OriginalPaper Pages: 15 - 25
The effects of nitrogen fertilisation and elevated CO2 on the lipid biosynthesis and carbon isotopic discrimination in birch seedlings (Betula pendula) Y. HuangG. EglintonD. D. Harkness OriginalPaper Pages: 35 - 45
Metal uptake by plants from sludge-amended soils: caution is required in the plateau interpretation R.E. HamonP.E. HolmT.H. Christensen OriginalPaper Pages: 53 - 64
Relationships between dynamics of nitrogen uptake and dry matter accumulation in maize crops. Determination of critical N concentration Daniel PlénetGilles Lemaire OriginalPaper Pages: 65 - 82
Growth and nitrogen nutrition of Chinese fir seedlings exposed to nutrient loading and fertilization Xinjian XuVictor R. Timmer OriginalPaper Pages: 83 - 91
Effect of salinity on the association between root symbionts and Acacia cyanophylla Lind.: growth and nutrition Abdelhakim Hatimi OriginalPaper Pages: 93 - 101
Effects of aluminium treatment on Norway spruce roots: Aluminium binding forms, element distribution, and release of organic substances Alexander HeimJörg LusterEmmanuel Frossard OriginalPaper Pages: 103 - 116
Accurate root length measurement by image analysis Kazuhiko KimuraSeiji KikuchiShin-ichi Yamasaki OriginalPaper Pages: 117 - 127
Effects of leguminous ground cover competition on red birch and soil nutrient status in the nursery K. HänninenR. OhtonenS. Huttunen OriginalPaper Pages: 129 - 138
Long-term effects of nitrate on lucerne (Medicago sativa L.) nitrogen fixation is not influenced by the denitrification status of the microsymbiont J.I. García-PlazaolaA. HernándezC. Arrese-Igor OriginalPaper Pages: 139 - 145
NaCl induced changes in ionically bound peroxidase activity in roots of rice seedlings Chuan Chi LinChing Huei Kao OriginalPaper Pages: 147 - 153
Rhizodeposition and C-partitioning of Lolium perenne in axenic culture affected by nitrogen supply and defoliation Eric PatersonAllan Sim OriginalPaper Pages: 155 - 164
Nitric oxide flux from soil during the growing season of wheat by continuous measurements of the NO soil–atmosphere concentration gradient: A process study A. GutA. NeftelB.E. Lehmann OriginalPaper Pages: 165 - 180