This is a link from a Netherlands Flower Bulb grower, apparently ' Nowadays all planting is done mechanically, using a 'fresh' field for every crop. By this crop-rotation we minimize the risk of diseases' http://www.jubholland.nl/RetailEN/Kwekerij/ I would like to learn more about crop rotation protocols, what crops follow and how many years between bulb crops. In a garden situation, or a small field how much 'space ' is needed separating crops, or are there trap crops to use as cover cropping for nematode, virus and root rot diseases. Rich H On Nov 5, 2011, at 9:29 AM, Randall P. Linke wrote: > California's central coast. Gilroy, CA, about ten miles north of me, calls > itself the "Garlic Capital of the World". They have a big garlic festival > every year, but very little is grown there now. The area also used to be a > huge producer of cut flowers but that is all gone now too. >