Labels:text | screenshot | black and white | monochrome OCR: Ettrel Previoss elsp modifki Varichy A decision tree within the task "Ethrel Previous crop growth" The object is to remove those sections that fall into the non- orthogonal part of the model. For example, trees that had a heavy crop last year should not have prolific bud numbers. Three modifiers needed for the model have been derived in back-chained tasks.