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| 有效养分 | |||
| 速效养分 | |||
| 有效营养成分 | |||
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| 有效养分 | |||
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available nutrient : 5 phrases in 4 subjects |
| Agriculture | 2 |
| Earth sciences | 1 |
| Ecology | 1 |
| Technology | 1 |
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