Walk through Amos, verse by verse, with the great Bible Commentaries of Matthew Henry (1662 - 1714) & Adam Clarke (1760 - 1832)
your vineries; and a wortworm ate your olive places, and your fig places; and ye came not again to me, saith the Lord.} Wycliffe's Bible
I have smitten you with blasting and mildew - He sent blasting and mildew on the crops, and the locust on the gardens, vineyards, and fields; and this in such a way as to show it was a Divine judgment. They saw this; "yet they did not return to the Lord!"
4:9
I have smitten you with blasting and mildew: when your gardens and your vineyards and your fig trees and your olive trees increased, the palmerworm devoured them: yet have ye not returned unto me, saith the LORD. KJV
{I smote you with burning wind, and with rust, either mildew, the multitude of your orchards, and of 
I have smitten you with blasting and mildew - He sent blasting and mildew on the crops, and the locust on the gardens, vineyards, and fields; and this in such a way as to show it was a Divine judgment. They saw this; "yet they did not return to the Lord!"