So\u011fanl\u0131 \u00e7i\u00e7ekler, bitkisel ya\u015famda yer alan ve \u00f6zellikle bah\u00e7\u0131vanl\u0131k, peyzaj \u00e7al\u0131\u015fmalar\u0131 ile s\u00fcs bitkicili\u011finde yayg\u0131n olarak kullan\u0131lan bir bitki grubudur. So\u011fan olarak bilinen depo organlar\u0131, bitkinin besin ve enerji depolayarak zorlu iklim ko\u015fullar\u0131nda hayatta kalmas\u0131n\u0131 sa\u011flar. Bu t\u00fcrler, genellikle erken ilkbaharda veya sonbahar\u0131n sonlar\u0131nda \u00e7i\u00e7ek a\u00e7ma gibi belirgin ya\u015fam d\u00f6ng\u00fclerine sahiptir. So\u011fanl\u0131 bitkilerin \u00e7e\u015fitlili\u011fi, d\u00fcnyada binlerce t\u00fcr\u00fc ve \u00e7ok say\u0131da \u00e7e\u015fidi kapsar. Hobi bah\u00e7\u0131vanlar\u0131, peyzaj mimarlar\u0131 ve ticari \u00e7i\u00e7ek \u00fcreticileri taraf\u0131ndan tercih edilir. So\u011fanl\u0131 bitkilerin \u00e7i\u00e7ek a\u00e7ma s\u00fcresi, yeti\u015fme \u015fartlar\u0131 ve g\u00f6r\u00fcn\u00fc\u015f\u00fc t\u00fcrden t\u00fcre b\u00fcy\u00fck farkl\u0131l\u0131klar g\u00f6sterir. \u00c7i\u00e7ek t\u00fcrleri, \u00e7i\u00e7ekleri topra\u011f\u0131n alt\u0131nda bulunan so\u011fanlar arac\u0131l\u0131\u011f\u0131yla \u00e7o\u011fal\u0131r ve her y\u0131l ayn\u0131 so\u011fan veya so\u011fan\u0131n olu\u015fturdu\u011fu yumrular sayesinde yeniden geli\u015fir. So\u011fanl\u0131 bitkiler, kutup b\u00f6lgeleri gibi sert iklimlerin yan\u0131 s\u0131ra \u0131l\u0131man iklimlerde de yeti\u015febilen dayan\u0131kl\u0131 t\u00fcrler i\u00e7erir.<\/p>\n
So\u011fanl\u0131 \u00e7i\u00e7eklerin ekonomik de\u011feri olduk\u00e7a y\u00fcksektir. \u00d6rne\u011fin, d\u00fcnya genelinde lale \u00fcretimi, Hollanda ba\u015fta olmak \u00fczere \u00e7e\u015fitli \u00fclkelerde milyonlarca dolar hacminde ticarete konu olmaktad\u0131r. So\u011fanlar, toplam bitki b\u00fcy\u00fckl\u00fc\u011f\u00fcn\u00fcn %70\u2019ine kadar besin depolama kapasitesine sahiptir. Bu bitkilerin toprak \u00fcst\u00fc k\u0131s\u0131mlar\u0131 k\u0131\u015f aylar\u0131nda \u00f6l\u00fcr, ancak so\u011fanlar toprak alt\u0131nda yeni bitkisel geli\u015fim i\u00e7in enerji kayna\u011f\u0131 g\u00f6revi g\u00f6r\u00fcr. So\u011fanl\u0131 bitkilerle ilgili \u00f6nemli bir \u00f6zellik de; toprakta yakla\u015f\u0131k 12-15 cm derinlikte ekim yap\u0131lmas\u0131 gerekti\u011fidir. B\u00f6ylece sa\u011fl\u0131kl\u0131 \u00e7i\u00e7eklenme ve so\u011fan\u0131n zarar g\u00f6rmemesi sa\u011flanm\u0131\u015f olur. \u00c7i\u00e7ek tiplerine g\u00f6re de\u011fi\u015fmekle birlikte, so\u011fan \u00e7aplar\u0131 genellikle 10-50 mm aras\u0131nda de\u011fi\u015fir.<\/p>\n