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nitrogen-free [ˌnaɪtrədʒən'friː]stresses
Makarov. безазотистый; безазотный
nitrogen-free: 23 phrases in 11 subjects
Agriculture3
Agrochemistry5
Animal husbandry1
Biology1
Biotechnology1
Ecology1
Energy industry2
Food service and catering2
Makarov5
Medical1
Technology1