Ben Zonneveld, with great respect: other reasons that bulbs in the Netherlands rapidly increase in size and number are the same elsewhere in the world: -- sometimes the growing fields are healthy soil -- sometimes the growing fields are sterilized -- sometimes plants are minutely observed and selected for traits such as rapid production of offsets. Paige Woodward paige@hillkeep.ca http://www.hillkeep.ca/ ----- Original Message ----- From: "zonneveld" <zonneveld@RULBIM.Leidenuniv.nl> To: <pbs@lists.ibiblio.org> Sent: Monday, April 11, 2005 12:48 AM Subject: [pbs] Fertilization > All bulb fields in Holland are heavely fertilized each year before the > bulbs ( tulips narcissi hyacinths) go in That is why they increase in > size an number > Ben J.M.Zonneveld > Institute of Biology,Leiden University, Clusius lab > Wassenaarse weg 64, 2333 AL Leiden, The Netherlands > Zonneveld@rulbim.Leidenuniv.NL > Fax: +31-71-5274999. min temp -10C (15F) > _______________________________________________ > pbs mailing list > pbs@lists.ibiblio.org > http://www.pacificbulbsociety.org/list.php > >