Intensive gardening

http://harvesttotable.com/2013/01/intensive-planting-in-the-vegetable-garden/
high yield gardening
http://www.organicgardening.com/learn-and-grow/7-secrets-high-yield-vegetable-garden?page=0,0&cm_mmc=facebook-_-OrganicGardening-_-Content-LearnGrow-_-7secrets