Quote:
Originally Posted by k3vin
Does anyone have experience with calcium nitrate fertilizer? BER is associated with Calcium deficency. A Perdue extension specialist says that regular ammonium nitrate fertilizers inhibit calcium absorbtion. The recommendation is to start early and do a monthly feeding of Calcium nitrate fertilizer. This is also supposed to decrease blossom drop and encourage fruit set. Soil pH can also be amended with lime or gypsum to improve calcium uptake. What commercial product(s) have Calcium nitrate?
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I think I read in some other thread that Tomato-Tone has Calcium. Maybe someone else can confirm you that.