[Survey 1995, E: Fertilizing and liming]

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