EFFICIENCY OF 5 PHOSPHATE FERTILIZER SOURCES IN SOILS WITH DIFFERENT PHOSPHATE FIXING CAPACITIES - NUNEZ, R; NOVOA, V FRANCISCO (ESCUEL NACL AGR,GRAD COLL,CHAPINGO,MEXICO, 1970)
Keywords: EFFICIENCY, 5 PHOSPHATE, FERTILIZER SOURCES, DIFFERENT PHOSPHATE, FIXING CAPACITIES; CIENCIAS AGRARIAS; AGRONOMIA; PRODUCCION DE CULTIVOS