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Legume seed is often inoculated before sowing in order to

  • A.Speed up germination by softening the seed coat directly
  • B.Add a starter dose of phosphorus to the seedbed
  • C.Ensure an effective Rhizobium strain is present in the soil
  • D.Protect the sown seed against birds and other seed predators

Answer: C

A soil that has not carried that legume recently may hold no compatible strain, or only ineffective ones, so inoculation places the right partner where the emerging root will meet it. It supplies no nutrient itself and has no direct effect on germination.

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