גַּם־יְ֭הוָה יִתֵּ֣ן הַטּ֑וֹב וְ֝אַרְצֵ֗נוּ תִּתֵּ֥ן יְבוּלָֽהּ׃
Yea, the LORD will give that which is good; And our land shall yield her produce.
Rashi on Psalms
God too will give good He will open His treasury, the heavens, to give rain, in order that His land yield its produce.