TY - BK AU - Fournier Fauchere,J.M. TI - Technological gap for maize (Zea mays L.) cultivation in the Polochic Watershed of Guatemala T2 - Diss. ETH PY - 2000/// CY - Zurich (Switzerland) PB - Eidgenossische Technische Honchschule, KW - Experimental design KW - Fertilization KW - Guatemala KW - Maize KW - AGROVOC KW - Nitrogen KW - Sampling KW - Varieties KW - Weather data KW - Yield components KW - Zea mays KW - Soil fertility N1 - Nationality: CH; Thesis (Ph. D.) ER -