Another interpretation: "of the dew of heaven" - these are the meal-offerings; "and of the fat places of the earth" - the sacrifices; "and plenty of grain" - these are the first-fruits; "and wine" - these are the libations.
Dew and Fatness as the Offerings of the Altar
Yalkut Shimoni on Torah 115:16
דָּבָר אַחֵר מִטַּל הַשָּׁמַיִם אֵלּוּ מְנָחוֹת וּמִשְׁמַנֵּי הָאָרֶץ, הַקָּרְבָּנוֹת וְרֹב דָּגָן, אֵלּוּ הַבִּכּוּרִים וְתִירֹשׁ, אֵלּוּ הַנְּסָכִים.