#11 Test Soil pH
Taking some soil on a dish and make it muddier. Sprinkle a small amount of baking soda onto the soil. If the combination bubbles, it means your soil is acidic.
#12 Use it as a Pesticide
Use baking soda to effectively reduce infestations of many insects such as aphids, scales, and spider mites. It may not kill them all but have a repellent action and halt their progress. To do this, mix 1 teaspoon of baking soda and 1/3 cup of olive or mustard oil. Measure out 2-3 teaspoons of this mix and add it to 1 cup of water. Dilute them well together and spray on the infected plants.
#13 Prevent Mildew and Other Fungal Diseases
To limit the ability of fungal spores to grow, let spray baking soda on the leaves. To prepare this, mix 1 teaspoon baking soda and a few drops of liquid dish soap in 1 liter of water and spray the solution on the infected plants. This preventive and curative treatment is effective in the vegetable garden, on the fruit trees, rose bushes, vines, climbers, and flowers.
#14 Weed Killer
Baking soda is best to fight effectively against the weeds that invade walkways, edges, and garden beds in an ecological and economical way. It has the enormous advantage of being completely biodegradable and nontoxic. You can sprinkle it on the tufts of weeds. It will burn the foliage, and weeds will disappear in a few days.
#15 Clean the Walkways
Rinse the surface with sodium bicarbonate water (30 g or 2 tablespoons per liter of warm water). If necessary, add baking powder and scrub with a brush or use a broom with stiff bristles.
#16 For Cut Flowers
To keep your cut flowers fresh for a long time put a teaspoon of baking soda in the vase.
#17 Clean Dirty Hands
Your hands got dirty after gardening? Simply rub baking soda on wet hands and rinse them with water.