Here is. the crux of the matter, as I see it. The food for men cannot be grown unless the land is also fed. I searched the public library for a short book that would give the key to this puzzle, but I did not find what I wanted.. There were indeed some good books by good scientists and they are in my list of references at the end of this book, but they each dealt with only a part of the problem. For example, books that described the soil bacteria...