The potting mix is a foundation stone of nursery profitability. A good quality potting mix can: Shorten the production cycle by minimising stress. Reduce the cost of water and fertiliser. Improve plant health and natural resistance to pests and diseases Increase uniformity and reduce throw out percentages Improve the quality and after sale performance of plants. Reduce the cost of production. These benefits are possible because potting mixes have a major influence on the supp