Cross reference
Mark 9:49
49 for every one with fire shall be salted, and every sacrifice with salt shall be salted.
Leviticus 2:13
13 And every offering -- thy present -- with salt thou dost season, and thou dost not let the salt of the covenant of thy God cease from thy present; with all thine offerings thou dost bring near salt.
Ezekiel 43:24
24 And thou hast brought them near before Jehovah, and the priests have cast upon them salt, and have caused them to go up, a burnt-offering to Jehovah.