Tree Stump Removal - Get rid of tree stumps by drilling holes in the stump and filling them with 100% Epsom salt. Follow with water, and wait. Live stumps may take as long as a month to decay, and start to decompose all by themselves.
Baking soda neutralizes the ph in the soil and nothing will grow there. use baking soda in a 6" wide area around all of the edges of my flower beds to keep the grass and weeds from growing into my beds. Just sprinkle it onto the soil so that it covers it lightly. usually have to do this twice a year - spring and fall.