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Old 11-01-2010, 06:43 AM   #12 (permalink)
Northern Tropics
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Location: Muncie, Indiana zone 5
Zone: zone 5
Name: Sandy
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Default Re: Trying out a new fertilizer

if you feel a need to change the ph of your water, test it and see how it really is first. PH changing without knowing the numbers can mess up a lot of things in a plant. If you need to lower the ph from what it normally is out of the tap, add white vinegar to your watering water until the ph is more in range. Add your fertilizer too before you test the ph though. fertilizers can also change the ph of your water. If you have a swimming pool, you can probably even use the kit from it to get a rough number.
Phosphorus can cause plant stretch in low light conditions. we use 20-10-20 during dark weather on most plants in the greenhouse. some use 15-0-15.
On the plus side, when setting plants out in a garden, a fertilizer with a high phos is a great starter fertilizer. So it would be a great fertilizer to give plants right before planting them outdoors in the garden for the summer. typical starter fertilizers are 8-45-14, higher in phos.
Sandy Burrell

Northern Tropics Greenhouse
1501 East Fuson Road
Muncie, IN 47302

specializing in bananas, heirloom tomatoes and water gardening plants~
check out our new online store at our website!

Last edited by sandy0225 : 11-01-2010 at 06:56 AM.
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