This plant is the only one that is in a position to store light ether this will be indispensable for people in future. -- strongRudolf SteinerstrongpKoberwitz, Whitsun 1924 Rudolf Steiner had just completed his momentous lecture course on biodynamic agriculture and was waiting for a car to take him to the station. Suddenly he was approached by two of his pupils with an urgent question Would his new indications for treating soil and vegetables be sufficient to provide nutrition appropriate to our times and in accordance with the spirit Steiner's frank response was somewhat surprising It will not be sufficient, even in the most favorable circumstances. What should be done is to cultivate the iDioscorea batatasi in Europe so that it can take over from the potato as the staple diet.ppIn the many decades since that conversation, various attempts have been made to cultivate iDioscorea batatasi light root in Europe, initially by Steiner's close colleague Guenther Wachsmuth. More recently, bio