Magnesium nitrate powder on light grey background.
Schlüsselwörter
potassium,
magnesium,
bag,
pile,
material,
industrial,
phosphate,
nitrogen,
calcium,
fertile,
agriculture,
nutrient,
nitrate,
industry,
production,
seed,
plant,
chemical,
sodium,
phosphor,
chemical,
agricultural,
sack,
farmer,
food,
rice,
cardboard box,
factory
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