The differentiated sugar beet irrigation regime under the conditions of the East Slovakian Lowland

analyse statistique beet sugar beta vulgaris calendario de los riegos calendrier des irrigations contenido de agua en el suelo demand irrigation dose d'irrigation dosis de riego essai fanaison irrigation rates irrigation scheduling marchitamiento mathematical models meteorological elements pruebas rendement rendimiento riego a la demanda soil water content statistical analysis sucre de betterave teneur en eau du sol trials variedades varieties wilting yields