4 bottles of grain. Innoculated at the same time, same syinge, same procedure, stored in the same place. 1 bottle 50% colonised, 1 bottle with a little white spot of growth, 2 bottles with nothing. Ho... View More4 bottles of grain. Innoculated at the same time, same syinge, same procedure, stored in the same place. 1 bottle 50% colonised, 1 bottle with a little white spot of growth, 2 bottles with nothing. How do i interpret and explain the variation in results?