Further Reading

Banedjschafie S, Bastani S, Widmoser P, and Mengel K (in press) Improvement of water use and N fertilizer efficiency by subsoil irrigation of winter wheat. European Journal of Agronomy.

Boulaine J (1987) Modernite de Jean Baptiste Boussingault en matiere de sciences de la terre. CR Academy of Agriculture of France 73(6): 11-20.

Bromfield SM, Cumming RW, Davis D, and Williams CH (1983) Change in soil pH, manganese and aluminium under subterranean clover. Australian Journal Experimental of Agriculture and Animal Husbandry 23: 181-191.

Hanegraf MC and de Boer DJ (2003) Perspectives and limitations of the Dutch minerals accounting system. European Journal of Agronomy 20: 25-31.

Johnston AE (1992) Liebig and the Rothamsted experiments.

In: Judel GK and Winnewisser M (eds.) 150 Jahre Agrikulturchemie, pp. 37-64. Giessen, Germany: Symposium der Justus Liebig Gesellschaft.

Liebig J (1841) Die organische Chemie in ihrer Anwendung auf Agrikultur und Physiolgie. Brunswick, Germany: Verlag Viehweg.

Mengel K (1997) Agronomic measures for better utilization of soil and fertilizer phosphates. European Journal of Agronomy 7: 221-233.

Mengel K, Hutsch B, and Kane Y (2006) Nitrogen fertilizer application rates on cereal crops according to available mineral and organic soil nitrogen. European Journal of Agronomy 24: 343-348.

Mulvaney RL, Khan SA, and Ellsworth TR (2006) Need for a soil based approach in managing nitrogen fertilizers for profitable corn production. Soil Science Society of America Journal 70: 172-182.

Picard D (1994) New approaches for cropping system studies in the tropics. In: Borin M and Sattin M (eds.) Third Congress of the European Society of Agronomy, pp. 30-36. Colmar, France: European Society of Agronomy.

Tributh H, von Boguslawski E, von Liers A, Steffens S, and Mengel K (1987) Effect of potassium removal by crops on transformation of illitic clay minerals. Soil Science 143: 404-409.

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