Potassium, phosphorus and sulphur

International publications

Askegaard M. & Eriksen J. (2000) Potassium retention and leaching in an organic crop rotation on loamy sand as affected by contrasting potassium budgets. Soil Use and Management 16: 200-205.

Eriksen J. & Askegaard M. (2000) Sulphate leaching in an organic crop rotation on sandy soil in Denmark. Agriculture, Ecosystems and Environment 78: 107-114.

Eriksen J., Nielsen, M., Mortensen J.V. & Schjørring J.K. (2001) Redistribution of sulphur during generative growth of barley with different sulphur and nitrogen status. Plant and Soil 230, 239-246.

Eriksen J., Olesen J.E. and Askegaard M. (2001) Sulphate leaching and sulphur balances of an organic crop rotation on three Danish soils. Indsendt til European Journal of Agronomy.

Eriksen J. & Thorup-Kristensen K. (2001) The effect of catch crops on sulphate leaching and availibility of S in the succeeding crop on sandy loam soil in Denmark. Agriculture, Ecosystems and Environment. In press.

Hansen B., Kristensen E.S., Grant R., Høgh-Jensen H., Simmelsgaard S.E. og Olesen J.E. (2000) Nitrogen leaching from conventional versus organic farming systems – a modelling approach. European Journal of Agronomy 13, 65-82.

Høgh-Jensen H., Schjørring, J.K. and Soussana, J.-F. (2001) Short and long-term responses in N2-fixation and morphology of white clover to P-deficiency. Plant, Cell & Environment (submitted).

Høgh-Jensen, H., Fabricius, V. and Schjørring, J.K. (2001) Regrowth and nutrient composition of different plant organs in grass-clover canopies as affected by phosphorus and potassium availabilities. Annals of Botany 88, 1153-162.

Høgh-Jensen, H. and Schjørring, J.K. 2001. Rhizodeposition of nitrogen by red clover, white clover and rye-grass leys. Soil Biology & Biochemistry 33, 439-448.

Høgh-Jensen, H. and Schjørring, J.K. (2000) Below-ground nitrogen transfer between different grassland species: direct quantification by 15N leaf feeding compared with indirect dilution of soil 15N. Plant and Soil 227, 171-183.