alum-a double sulfate of of ammonium or a univalent metal (such as sodium or potassium) and a trivalent metal (such as aluminum, iron or chromium): it is used as an astringent, as an emetic and in the manufacture of baking powders, dyes and paper; the commonest form is potash alum (potassium aluminum sulfate).y the way, the alum didn't have the effect on me that it does on the people in the cartoons. I still have a big mouth. â SDStaffKen and SDStaffJillgat, Straight Dope Science Advisory Board. Staff Reports are written by the Straight Dope Science Advisory Board, Cecil's online auxiliary.
The 3 main crops grown in Barbados are sugar cane, vegetables and cotton. Over 37% of the land in Barbados is arable land with sugarcane continuing to be the dominate crop.This is because sugar cane is the island's leading crop and the second largest industry in Barbados, with millions of dollars being exported each year.Therefore while driving around in your rental car you will notice that there are many sugar cane fields and plantation houses spread throughout the island.ver 37% of the land in Barbados is arable land with sugarcane continuing to be the dominate crop. This is because sugar cane is the island's leading crop and the second largest industry in Barbados, with millions of dollars being exported each year.
Average daytime temperature in Barbados is probably 28 degrees Celsius +/-5 c for seasonal variations, & drops by about 30% at night- not cool by european standards! One of the attractions of Barbados & the region in general is the climate,especially the high season when it is more temperate rather than just hot. Current weather and a 5 day forecast for Barbados. December 15 - April 15 is considered High Season. April 15 - December 15 is considered low season.