With onslaughts of varied nature on traditional agriculture systems in South Africa, it becomes imperative that producers in this sector have to look at intensive farming practices. Farming in tunnels covered with plastic is becoming ncreasingly
popular, protecting crops with shade netting is an escalating practice and the concept of hydroponics is proliferating throughout South Africa. For a number of years, vegetable and flower producers have been establishing themselves in one of these sectors. Farmers
