Hereof, how do you amend a hard dry soil?
To help soften hard soil in a vegetable garden, add a 2-inch layer of compost twice a year and mix it into the top 2 inches of soil. If the soil in your garden or vegetable patch is bare over winter, spread a layer of mulch over it to protect it from heavy rainfall.
Considering this, how do you moisten dry potting soil?
Moisten both used and new dried out potting soil by adding water. The soil may be resistant and the water may run off. If that's the case, put the soil into a watertight container such as bucket or tub. Add water and let the soil sit until the water has been absorbed.
Mixing sand into clay soils to loosen soil. Adding sand creates the opposite of the desired effect. The soil can become like concrete. Add organic matter such as compost, peat moss or leaf mold when loosening the soil.