I hope someone can explain to me an inconsistency I see in the spacing recommendations of the All New Square Foot Gardening. I'm not new at gardening, but I'm just now reading this book. I understand the 1-4-9-16 spacings. In those, each plant gets the same amount of space front to back as side to side. While not round, as most plants grow, it's close enough to make sense to me. But then come the recommendations for individual plants - chives and dwarf basil, for example,are 2 per square foot. Where do you put those plants so that they have equal space front to back and side to side? I can only figure 12 inches front to back and 6 inches side to side, or the other way around. Peas call for 8 per sq ft, summer squash vines 3. It goes on. Can any of you experienced SF Gardeners tell me how to deal with these recommendations?