1. Blackheart of celery can be controlled,1933
2. Symptoms of nutritional disorders of vegetable crop plants;Beckenbach;Fla. Agric. Exp. Stn. Annu. Rep.,1948
3. Celery blackheart and its control in Pennsylvania;Bergman;Pa. State Agric. Exp. Stn., Prog. Rep. No. 215,1960
4. The dependence of calcium transport and leaf tipburn in strawberry on relative humidity and nutrient solution concentration;Bradfield;Ann. Bot.,1979
5. The effects of irrigation and fertilizer on yield, blackheart, and nutrient uptake of celery;Cannell,1959