Lilemong tse mashome a mabeli tse fetileng, re hahile lisekoere-mithara tse fetang limilione tse 2 tsa li-greenhouses tse bohlale le tsa khoebo bakeng sa bareki ba Europe, Amerika, Asia Bohareng le libaka tse ling, ho ba thusa ho finyella sepheo sa ho eketsa tlhahiso le ho fokotsa litšenyehelo tsa tlhahiso.