1 It is aluminum potassium sulfate. 2  This is the type of alum that you find in the grocery store for pickling and in baking powder. 3  It is also used in leather tanning, as a flocculant in water purification, as an ingredient in aftershave and as a treatment to fireproof textiles. 4  It's chemical formula is KAl(SO 4) 2. It is also used in leather tanning, as a flocculant in water purification, as an ingredient in aftershave and as a treatment to fireproof textiles. 2  It's chemical formula is KAl(SO 4) 2. 3  Soda Alum. 4  Soda alum has the formula NaAl(SO 4) 2 Â·12H 2 O. It is used in baking powder and as an acidulent in food.
They were always creating new methods to increase their crop yields. Methods that they used included the building of terraces, irrigation and fertilization. Principle crops of the Aztecs were corn, beans, peppers, avocados, and tomatoes. Anthropology studies have also determined that the Aztecs also grew flowers for ceremony and decoration.
Aztec Farming. 1  Aztec Farming and Agriculture: Chinampas System. 2  Aztec Farming and Agriculture: Chinampas Construction. 3  Aztec Farming and Agriculture: Farm Land Ownership Rules. 4  Aztec Farming and Agriculture: Farm Crops Grown. 5  Aztec Farming and Agriculture: Aztec Farmers. 6  Aztec Farming and Agriculture: Farming Tools. Aztecs used relatively primitive tools for Aztec farming and agriculture. They did not have advanced tools for the time such as plows. The most important tool for Aztec farming and agriculture was the classic wooden digging stick. This stick was called Uictli in the Nahuatl language. There were multiple types of these digging sticks and other than farming, it was often also used for other purposes such as construction and repair work.