Steiner's suggestions:

Grade 6-8: Practical gardening. cultivating the soil, tending and harvesting plants.  Repeating this through these three years helps them understand rotation.

Grade 9: Focus on vegetable gardening, tending to flowers, fruit-bearing shrubs and trees.

Grade 10: Thinning out of trees and shrubs.  It is also suggested that manuring be discussed during this time as well as sustainable agriculture.  At this age they can really begin to make some strong opinions based in facts - show them all kinds of agriculture.

Now of course there is the discussion that children should have a knowledge of farming in grade 3 - this is so true!  This easily goes with the studies of the year.  Adam and Eve had a garden and then when they were cast out, they had to learn to farm and garden without the help of it being started for them.  A child of this age should be gardening alongside Mom, harvesting, cooking, etc. This is very cooperative. As they grow,...