TY - BOOK AU - Hargreaves,G.H. ED - Utah State Univ., Salt Lake City (USA) TI - Potential evapotranspiration and irrigation requirements for northeast Brazil PY - 1974///. CY - Salt Lake City, Utah (USA): KW - EVAPOTRANSPIRACAO KW - TEMPERATURA KW - IRRIGACAO KW - REGIAO NORDESTE N1 - 12 tables ER -