Good orientation to understanding how biodynamic management of greenhouses would differ from organic or worse management styles. These areas of difference would be the making of your own potting soil, importance of compost, warm irrigation water temperatures, proper sanitation of the greenhouse, use of bd preps and a gh spraying schedue and so forth. Perhaps its less of a difference and more in a shift of emphasis for the bd grower. Basic information abounds for any greenhouse grower who is working on becoming more observant and successful.