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humin | |||
fulvic acid; fulvinic acid | |||
humus acid | |||
humic acid |
腐殖酸: 85 phrases in 12 subjects |
Agriculture | 13 |
Animal husbandry | 4 |
Chemistry | 7 |
Desert science | 5 |
Engineering geology | 2 |
General | 2 |
Geology | 4 |
Oil / petroleum | 10 |
Soil science | 1 |
Technology | 31 |
Textile industry | 1 |
Water resources | 5 |