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07-13-2010, 06:43 PM #2Senior Member
Soil PH too Low
What's your runoff, and how are you testing both the water and the soil?
Adding undisolved lime is a bad idea. I'd make double sure it's a necessary step, and that it's not a misdiagnosis before doing something that drastic and stressful.
With an N-P-K of 20-20-20, likely Jack's directions are for a 2 week period or more. Does it say on the bottle? (sure you're not overdosing 'em?) Doesn't Supersoil already haves some nutrients? If so, when was your last transplant. (how long between last transplant and first nutrient application?)
Is the container (rootball) shaded? If not you might be fryting the roots.
Perhaps a picture? What do the leaf margins look like? Healthy and green, or brown and curling? Is there any 'bronzing' (bronze discoloration) of the leaves? Are they fading to yellow, or just a different shade of green? Any necrotic (dead or dying) spots?
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