Ehrenfried Pfeiffer lays out the essential practices for successfully operating a biodynamic farm, including the principles behind each technique and practice. He backs up these methods with scientific research and data, as well as his own experience as a farmer and researcher, describing what works and what doesn't. Pfeiffer covers soil qualities, making compost, crop rotation, best planting practices, using biodynamic preparations and sprays, and much more--all with the goal of growing the highest-quality foods by using sustainable methods and working with nature and caring for the earth.Bio-Dynamic Gardening and Farming (Vol.3) includes: A Preliminary Report on Humus Formation in the Root Areas of Plants Under Different Soil ManagementGreen Manuring, Organic Fertilizer, Composting in Spring?Compost Fertilizer on Peas (A Laboratory - Greenhouse Experiment)Raw Material Useful for CompostingComposting and Soil Problems in Southern, Warm and Dry ClimatesA General Review of the Problem of Composting (Composting Again - Small and Large)The Bacterial TreatmentThe Addition of Nitrogen Fertilizers to CompostSeaweedThe Biological Role of the EarthwormThe Earthworm and the ToadMastitis, It's Causes and TreatmentsAnswers to Specific QuestionsA Dynamic Concept of the WeatherDoes Bread NourishPhysical and Etheric EnergiesMoney, and Working for the Work