Spray your weeds with diluted vinegar...not only will it kill them, but the plants and soil love it. Read how here, and see the before and after pictures. learned about this in winter gardening class and the teacher has done it for years.
1tsp epsom salts in 4 c warm water....spray on plant and then 10 days later it produces more fruit due to boost of magnesium... especially for tomatoes, peppers and roses.........green bell pepper plants
Eggshells: Microwave for three minutes, remove, crush into a fine powder, and place them in a cloth sachet. Then drop the sachet into your watering can to give your potted plants a nice nitrogen-boost.
Lay down a thick layer of CARDBOARD in your raised garden beds to kill the grass. It is perfectly safe to use and will fully decompose, but not before killing any grass below it. They’ll also provide compost and food for worms.
Newspaper weeds away! Start putting in your plants, work the nutrients in your soil. Wet the newspapers and put them in layers around the plants overlapping as you go. Cover the newspapers with mulch and forget about weeds. Weeds will get through some gardening plastic they will not get through wet newspapers.