TY  - REP
AU  - Sanchez,P.A.
AU  - Gichuru,M.P.
AU  - Katz,L.B.
TI  - Organic matter in major soils of the tropical and temperate regions
PY  - 1982///
KW  - Nitrogen fixation
KW  - Organic matter
KW  - Soil biology
KW  - Soil types
KW  - Tropical zones
T2  - International Congress of Soil Science, 12; New Delhi, India; 8-16 Feb 1982. Symposia Papers I
ER  -