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HAGGAR, J.P. WARREN, G.P. BEER, J.W. KASS, D.L.

Phosphorus availability under cropping and mulched and unmulched sole cropping systems on Costa Rica - 1991

Subjects--Topical Terms:
SUELOS
FOSFORO
CULTIVO EN FAJAS
ARBOLES Y CULTIVOS ANUALES
SISTEMAS DE CULTIVO
NUTRIMENTOS
GLIRICIDIA SEPIUM
ERYTHRINA POEPPIGIANA
ZEA MAYS
PHASEOLUS
COSTA RICA

Dewey Class. No.: 30942