TY  - PRO
AU  - Bell,M.A.
AU  - Keulen,H.van
TI  - Management principles of clay soils:  Key note addres
PY  - 1993///
KW  - Clay soils
KW  - Environmental impact
KW  - Erosion
KW  - Phosphorus
KW  - Potassium
KW  - Soil chemicophysical properties
KW  - AGROVOC
KW  - Soil hydraulic properties
KW  - Soil management
KW  - Water conservation
KW  - Soil fertility
KW  - Tlaltizapan
T2  - Reunion Nacional Sobre el Manejo de Suelos Arcillosos y su Implicacion en la Agricultura, 2; Merida, Yucatan, Mexico; 10 - 12 Nov 1993
ER  -