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Old 03-09-2014, 10:26 AM
recycledsole recycledsole is online now
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Do you need a scale to measure fertilizer?

Hey guys, just wondering what method most of you use to measure your fertilizer before putting it in the spreader and applying it?

Thanks in advance for your comments
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Old 03-09-2014, 10:32 AM
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No. As a general rule nearly any bag of fertilizer is based on the sq.footage of the lawn and what type of spreader used to spread same material. It has more to do with common sense than anything else.
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Old 03-09-2014, 10:35 AM
RAlmaroad RAlmaroad is offline
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The use of a "Good" household scale give me a consistent and accurate weight/K A gram scale is a must for most of the herbicides/K. I even have a larger scale to weigh out larger than 10lb/K of soluble fertilize. When using a product like 20-20-20 solubles that only comes in 20lb bags then I use the weight stated on the bag. Of course, the liquids are per ounce and a good measuring cup is also a must. I even have a graduated tablespoon SS beaker for more exacting mixes.
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Old 03-09-2014, 12:35 PM
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RigglePLC RigglePLC is offline
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When you calibrate--you just put in a 50 pound bag and apply to a big lawn until you have used it all--then measure the area you covered (carefully with measuring wheel). If that does not suit your situation: Use a kitchen scales capable of weighing out around 10 pounds--apply to measured 2000 sqft and weigh what ever fert remains. If you cannot afford the kitchen scales use bathroom scales--accuracy is only fair so--start with 20 pounds. Then mark your spreader with lines to indicate how many pounds you have added. Use tape to mark how many sqft each line in the spreader should cover for that round. A line in the hopper should show enough for 2000, 5000, 8000 sqft and so forth; change the markings when you switch to summer fertilizer.

However--I do not think it is necessary to weigh the fert each time you begin an application. If you like to be extremely accurate and you have an accurate sqft measurement--then its up to you.
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Old 03-09-2014, 01:12 PM
recycledsole recycledsole is online now
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oh ok thanks guys
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Old 03-09-2014, 01:39 PM
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Another consideration would be your pound to ratio of NPK. Another words remember that if you are working with a 50 lb bag if 16-4-8 your actually spreading 8-2-4 NPK, since the actual NPK is based on 100 lbs
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Old 03-09-2014, 11:12 PM
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countryclublawnllc countryclublawnllc is offline
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I've always used a 5 gallon bucket. Just pre-weigh varying amounts in five lb. increments and use either tape or a permanent marker to put marks on the bucket. Quick and very easy to use.

John
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Old 03-09-2014, 11:59 PM
recycledsole recycledsole is online now
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Quote:
Originally Posted by countryclublawnllc View Post
I've always used a 5 gallon bucket. Just pre-weigh varying amounts in five lb. increments and use either tape or a permanent marker to put marks on the bucket. Quick and very easy to use.

John
thanks a lot that is helpful
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Old 03-11-2014, 04:12 PM
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DA Quality Lawn & YS DA Quality Lawn & YS is offline
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Once you get your rate down, no need to meas just mult lawn sq ft times product/K and there you go.
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Old 07-08-2014, 09:05 AM
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Quote:
Originally Posted by easy-lift guy View Post
Another consideration would be your pound to ratio of NPK. Another words remember that if you are working with a 50 lb bag if 16-4-8 your actually spreading 8-2-4 NPK, since the actual NPK is based on 100 lbs
easy-lift guy
that is incorrect. It is based on 100%, which is what percentages are based on, not 100 lbs. The quantity of your material may determine how many pounds of NPK you have, but the analysis does not change.
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