4Bangerth F. Calcium-related physiological disorders of plants[J].Annual Review of Physiology,1979.97-122.
5Bouzo C A,Pilatti R A,Favaro J C. Control of Blackheart in the Celery (Apium graveolens L.) Crop[J].Journal of Agriculture & Social Sciences,2007,(02):73-74.
6Brandon West,Dan Drost. Celery in the Garden[D].Utah State University Extension,2010.
7Foster A C. Black heart disease of celery[J].Plant Disease Report,1934.177-185.
8Geraldson C M. Studies on control of blackheart of celery[A].1952.171-173.
9Hanger B C. The movement of calcium in plants[J].Comm Soil Sci P1 Anal,1979.171-193.
10Kinney L F. Celery culture in Rhode Island[J].Kingston R I:Rhode Island Agric Exp Stn Bull,1897.17-63.
