[Survey on field experiments 1998, F: Fertilizing and liming]

abonos analyse de sol avena sativa azote azufre beta vulgaris brassica napus chaulage crop yield cultivos de invierno cultivos de primavera culture d'hiver culture de printemps danemark denmark dinamarca encalado engrais farmyard manure fertilisation fertilizer application fertilizers field experimentation fumier gramineas graminee grasses hordeum vulgare leaching lessivage du sol liming lisier manganese manganeso nitrogen rendement des cultures rendimiento de cultivos secale cereale slurry soil soil testing sol soufre spring crops suelo sulphur triticum winter crops