In men, a testicular infection, tumor or twisting of the left testicle commonly causes pain that radiates from the testicle into the left side of the abdomen and back. When to See Your Doctor. Call your doctor right away if you develop abdominal and back pain, especially if it doesn't go away in a few days or worsens.
Autonomous Control in Production Logistics. For production systems, different autonomous control methods have been developed. All of these methods aim at enabling parts in a production system to decide about possible alternative routes through a production system.
Organic agriculture is an ecological production management system that promotes and enhances biodiversity, biological cycles and soil biological activity. It is based on minimal use of off-farm inputs and on management practices that restore, maintain and enhance ecological harmony.rganic farming methods are studied in the field of agroecology. While conventional agriculture uses synthetic pesticides and water-soluble synthetically purified fertilizers, organic farmers are restricted by regulations to using natural pesticides and fertilizers.