Lixiviaci.n de nitratos bajo cultivo de remolacha en la Zona Vulnerable del acu.fero cuaternario de Vitoria-Gasteiz (Pa.s Vasco).
2003
Mart.nez M. | Garc.a Linares C. | Antig.edad I. | S.nchez P.rez J.M. | Aizpurua A. | Ruiz de Loizaga I.
Spanish; Castilian. Se ha estudiado la lixiviaci.n de nitratos en una parcela experimental de remolacha azucarera en la Zona Vulnerable de un acu.fero cuaternario. La parcela se equip. con 48 Tensionic y se aplicaron seis tratamientos diferentes. A partir del estudio del suelo antes y despu.s del cultivo, del seguimiento de las aguas del suelo, y del balance h.drico se ha evidenciado una notable p.rdida generalizada de elementos en el suelo y en el agua del suelo, sobre todo de nitratos, debido, en buena medida, a infiltraci.n por exceso de riego. Se pone de manifiesto la importancia de situar el estudio en el contexto clim.tico, fundamentalmente de las lluvias de invierno. Entre los tratamientos aplicados es el habitual del agricultor donde hay mayor presencia de nitratos.
Show more [+] Less [-]English. The leaching of nitrates has been studied in an experimental plot of sugar beet in the Vulnerable Zone of the quaternary aquifer of Vitoria-Gasteiz. The plot was equipped by 48 Tensionic and six different treatments were applied. An important generalized loss of elements in soil and water, nitrates above all, has been evidenced from soil study, before and after the crop, from soil water monitoring, and from soil water balance. This loss is mainly due to infiltration by excess of irrigation. The importance of situating the study in the climatic context, basically of the winter rains, is taken into account. Between the applied treatments it is the habitual of the farmer where the nitrates concentration is highest.
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