Literaturrecherche

Literatur Kücke M, Jaggard KW, Ehlert PAI, Johnston AE (2001) Crop response to phosphorus. In: Johnston AE, Ehlert PAI, Kücke M, Amar B, Jaggard KW, Morel C (eds) The effect of phosphate fertilizer management strategies on soil phosphorus status and crop yields in some European countries : evaluation report (1991-1996). Rabat: Actes Editions, pp 29-58

Literatur Johnston AE, Ehlert PAI, Kücke M, Amar B, Jaggard KW, Morel C (eds) (2001) The effect of phosphate fertilizer management strategies on soil phosphorus status and crop yields in some European countries : evaluation report (1991-1996). Rabat: Actes Editions, 174 p

Literatur Ehlert PAI, Kücke M, Johnston AE (2001) The effect of phosphate fertilizer management strategies on soil phosphorus status and crop yields in some European countries : introduction. In: Johnston AE, Ehlert PAI, Kücke M, Amar B, Jaggard KW, Morel C (eds) The effect of phosphate fertilizer management strategies on soil phosphorus status and crop yields in some European countries : evaluation report (1991-1996). Rabat: Actes Editions, pp 9-18