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.
Barbados has a âtropical monsoonâ climate, but pleasant breezes are common all year round, resulting in tropical moderate conditions. Average December to May temperatures range from 70F or 21C to 88F or 31 Â°C, and from 73F 0r 23C to 88F or 37C from June to November, making the island an excellent choice at any time.