Bo S., Moreau Roland, Poss Roland, Pitard J., Aventurier Alain, Fallavier Paul, Shenglu Z.. 1998. Alleviation of subsoil acidity of red soil in Southeast China with lime and gypsum. Pedosphere, 8 (2) : 113-120.
Autre titre : Contrôle de l'acidité des horizons profonds dans un sol rouge du sud est de la Chine à l'aide de chaux et de gypse
Résumé : Application of lime or gypsum is a common agricultural practice to ameliorate soils with low pH which prohibits crop production. Its integrated effect on soil properties in a red soil derived from quaternary red clay in Southeast China is discussed in this paper. Application of gypsum in the topsoil without leaching raised soil pH and promoted the production of soil NH4, but lime addition had a contrary effect. Generally, application of lime and/or gypsum has little effect on soil electrical properties. Gypsum had a little effect on soil exchange complex and its effect went down to 30 cm in depth. The effect of lime reached only to 5 cm below its application layer. With leaching, Ca transferred from top soil to subsoil and decreased exchangeable Al in subsoil. Gypsum application led to a sharp decrease in soil exchangeable Mg but had no effect on K.
Mots-clés Agrovoc : Acrisol, sol acide, amendement calcique, gypse, propriété physicochimique du sol, profil du sol, chimie du sol, lessivage du sol, chaulage
Mots-clés géographiques Agrovoc : Chine
Classification Agris : F04 - Fertilisation
P35 - Fertilité du sol
Auteurs et affiliations
- Bo S.
- Moreau Roland
- Poss Roland
- Pitard J.
- Aventurier Alain, CIRAD-AMIS-AGRONOMIE (FRA)
- Fallavier Paul, CIRAD-AMIS-AGRONOMIE (FRA)
- Shenglu Z.
Autres liens de la publication
- Document en bibliothèque
- Localisation du document : CD_BR7379 [(Bibliothèque de Lavalette)]
Source : Cirad - Agritrop (https://agritrop.cirad.fr/390791/)
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