Awasome How Much Compost To Add To Vegetable Garden Ideas. About half an inch should be sufficient in most. When not to add compost.

The following are compost to soil ratios on different types of soil. You should add compost to your garden in small quantities in spring, giving your plants a gentle boost as they begin to enter the growth period. This is an indication that your plants need more organic fertilizer and can be used as an indication of when to move on and invest in new compost.



