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CONTAMINACIÓ DEL 
SÒL PER NITRATS
ELS NITRATS, QUÈ SÓN? 
Anions 
inorgànics 
Cicle del 
nitrògen 
Un àtom de 
nitrògen i tres 
d’oxigen 
Símbol:NO3 
Principals 
contaminants 
del sòl (i aigües 
subterrànies) 
Presents a la 
nostra dieta
RELACIÓ AMB EL SÒL 
MACRONUTRIENT; 
PRINCIPAL FACTOR 
LIMITANT 
FORMES ORGÀNIQUES, 
RESTES D’ÉSSERS 
VIUS 
ALTRES ENTRADES… 
TOT AIXÒ ES EGLOBAT PEL CICLE DEL NITRÒGEN…
CAS DE CATALUNYA
CONSEQÜÈNCIES I PRECAUCIONS 
 CONSEQÜÈNCIES: 
 Metahemoglobinèmia 
 Perjudicis a l’industria porcina 
 … 
PRECAUCIONS: 
 Reduir l’entrada de nitrògen al medi
CONCLUSIÓ
PREGUNTES…

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Power tci

  • 2. ELS NITRATS, QUÈ SÓN? Anions inorgànics Cicle del nitrògen Un àtom de nitrògen i tres d’oxigen Símbol:NO3 Principals contaminants del sòl (i aigües subterrànies) Presents a la nostra dieta
  • 3. RELACIÓ AMB EL SÒL MACRONUTRIENT; PRINCIPAL FACTOR LIMITANT FORMES ORGÀNIQUES, RESTES D’ÉSSERS VIUS ALTRES ENTRADES… TOT AIXÒ ES EGLOBAT PEL CICLE DEL NITRÒGEN…
  • 4.
  • 6. CONSEQÜÈNCIES I PRECAUCIONS  CONSEQÜÈNCIES:  Metahemoglobinèmia  Perjudicis a l’industria porcina  … PRECAUCIONS:  Reduir l’entrada de nitrògen al medi