Trenching - composting by digging a trench roughly 3-feet deep and filling it with compostable scraps, covering them with alternate layers of soil. Once completed leave them for 2-3months to break down and then plant your vegetables directing into the bed.
Natural Weed Killer 1 gallon vinegar, 1/2 cup salt, dash of dish washing detergent (makes it stick to the weeds). Mix well, spray on weeds in the morning, rejoice in their death that evening. This works best on a sunny day. - rugged life
How To Improve Your Garden Soil Without A Compost Heap