10 Now he who supplies seed to the sower and bread for food will also supply and increase your store of seed and will enlarge the harvest of your righteousness.

Read 2 Corinthians 9:10 Using Other Translations

Now he that ministereth seed to the sower both minister bread for your food, and multiply your seed sown, and increase the fruits of your righteousness;)
He who supplies seed to the sower and bread for food will supply and multiply your seed for sowing and increase the harvest of your righteousness.
For God is the one who provides seed for the farmer and then bread to eat. In the same way, he will provide and increase your resources and then produce a great harvest of generosity in you.