Observations of Bio-Dynamic and Mineral
Treatment op Soil..........EhrenfriedE. Pfeiffer......................2
Agriculture in Mexico................Carlos Caballero...................13
Green Manuring, Organic Fertilizer,
Compost in Spring?..........................................................18
Success With Bio-Dynamics ........... Evelyn Speiden.............22
Farming in the Rio Grande Valley.....Peter A. Escher.............27
Grindstone Lies Buried
Under Snow..................SterlingW. Edwards.................32
Book Review ......................................................................36
Notes and Correspondence..................................................41