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Old 03-09-2013, 07:00 AM
 
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Looking to put down 30-0-4 pre emergent to feed the lawn and stop the crab grass. To cover 15,000 sq ft Scott's is $57 and a store brand is $44. Is there a difference if they both are the same "formula"?
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Old 03-09-2013, 09:28 AM
 
Location: southwestern PA
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IF they are the exact same formula, get the cheap one.
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Old 03-09-2013, 10:24 AM
 
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Quote:
Originally Posted by caco54 View Post
Looking to put down 30-0-4 pre emergent to feed the lawn and stop the crab grass. To cover 15,000 sq ft Scott's is $57 and a store brand is $44. Is there a difference if they both are the same "formula"?
That's an awfully high nitrogen content lawn fertilizer for this time of year -- unless you will be sprinting across yourlawn with the spreader! This handout from K-State Extension, excellent informatrion you can take to the bank. Oh, and IMO, buy cheap. My turfgrass professor always told us to buy the cheapest fertilizer we could find, because they are all equal in quality in the eyes of the plant.


http://www.ksre.ksu.edu/bookstore/pubs/MF2916.pdf

And here is an excellent article on weed control, including crabgrass control.

http://www.ksre.ksu.edu/bookstore/pubs/mf2385.pdf

These principles and schedules are tailored for Kansas lawns, but apply to most of the central part of the country, and except for the timing of some products, you can apply them to cool season grasses (fescue, bluegrass, ryegrass) in most parts of the country.

Ideally, you should apply the preemergent and the fertilizer separately, and bear in mind, crabgrass doesn't germinate until the soil warms and the temperatures are consistently in the 50s. If your weather forecast is calling for cold temps for awhile, you might want to wait on the crabgrass control product.
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Old 03-10-2013, 10:02 AM
 
Location: Indiana (USA)
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The pre emergent around here only comes in high nitrogen, I wish it was lower than what I get.
I only buy the cheaper priced ones and they have always worked fine for me.
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Old 03-10-2013, 10:21 AM
 
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Preemergent isn't nitrogen at all. What you're getting is a fertilizer with the preemergent granules added to it. If you go to an independently owned nursery and not a big box store or hardware store, you will find straight lawn fertilizer and preemergent sold separately. At least I think you will. We have no trouble with that here.
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