| 摘要 |
A seed-covering agent, which covers a seed surface and contains an iron powder and a binder, is specified such that, in the above-described iron powder, the mass ratio of an iron powder having a particle size of 63 mum or less to a total mass of the iron powder is 0% or more and 75% or less, the mass ratio of an iron powder having a particle size of more than 63 mum and 150 mum or less to the total mass of the iron powder is 25% or more and 100% or less, and the mass ratio of an iron powder having a particle size of more than 150 mum to a total mass of the iron powder is 0% or more and 50% or less, and the average particle size of the above-described binder is 1 to 150 mum.
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