Use genetically engineered herbicide tolerant varieties Hand tillage. Early soil coverage. Encourage some areas to remain wild as sanctuary for insect predators. Composting of organic waste can be combined with the production of methane gas , which is a valuable source of energy. In case of failure, corrective measures should be taken.
Natural products can replace most of the chemicals used in the food chain.
Many of these substances are already in use successfully in small-scale enterprises for centuries. For instance, papain , which is found in unripe papayas, is a well-known tenderizer. Vegetarianism should be promoted. A meatier diet requires a sevenfold increase in the amount of grain needed to raise livestock. The planet is already overpopulated and a decrease in the consumption of red meat is therefore urgently indicated.