Creating a healthy living soil for your garden is an essential component of successful gardening. A carefully crafted mix can provide nutrients and moisture necessary for the flourishing of plants while discouraging pests and promoting healthful growth. There are various methods to create such a mixture, but one must start with organic matter (compost, manure, leaves), sand or clay along with it - ensuring that the majority has adequate nutrition in termsone high enough as well as appropriate carbon content; yet not too much- otherwise there may be eventual issues when starting anew later on down the road; plus also making sure any added sand/clay itself sufficiently retains sufficient water resources without being clumpy or lumpy - lest potential weeds might come through! Ultimately you should eventually arrive at your desired proportions after trial & error... just make sure each addition is balanced accordingly before proceeding!