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Recommended store bought compost - Photos of composts

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Re: Recommended store bought compost - Photos of composts

Post  ralitaco on 4/17/2017, 11:17 pm

@bigblue94 wrote:Sanderson or anyone else that can help I know what I need to fill my new boxes and old ones .WITH the old boxes I need to add about 3 inches in each I know I use the 5 compost but do I mix it into the whole bed or just leave on top
I mix mine in. My thought process being that you want the vermiculite and peat moss spread throughout the mix to help retain the moisture evenly. Also, if the compost was better just on top, I don't think we would need to mix it up at first. Of course, you can reserve some compost to top dress the beds.

@bigblue94 wrote:Does anyone know how many pounds would equal a cubic foot  example 20 pounds would be this many cf thank you all for help
According to the Soil3 website (bulk compost sales) their 1 cubic yard bag weighs about 1200 pounds. There are 27 cubic feet in a cubic yard so according to my math...1200 pounds/27 cubic feet = 44 pounds/cubic foot
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Re: Recommended store bought compost - Photos of composts

Post  Banned Member on 4/17/2017, 11:24 pm

@bigblue94 wrote:Sanderson or anyone else that can help I know what I need to fill my new boxes and old ones .WITH the old boxes I need to add about 3 inches in each I know I use the 5 compost but do I mix it into the whole bed or just leave on top

Does anyone know how many pounds would equal a cubic foot  example 20 pounds would be this many cf thank you all for help

I would definitely mix the compost to get it down to eventual root level.  It should not be all that hard.

As for weight, if my high school/college math is correct, there is no one correct answer to your weight question, since the mass of each possible compost ingredient cannot be converted to a standard weight.

1/4 inch of one ingredient weighs different from a 1/4 inch of any other ingredient.

You can figure it out by making a tiny bit of Mel's Mix from your ingredients you have and fill up a small box of which you know the cubic footage.

For instance, let's say you have a 6 inch by 8 inch by 12 inch box.  You add equal parts of the peat moss you have, the vermiculite, and your compost blend.  You weigh the box and it comes to 10 pounds.  That box is roughly 1/3 CF, so multiply by 3 to get 30 pounds per CF.

A 4' x 4' x 6" Raised Bed requires 8 CF to fill, so you would need 8*30 or 240 pounds of mix to fill a regular 4 x 4 square.

I just used numbers out of the blue to show the math, and these numbers will not be all that close to reality.  I don't have any idea how much it might actually be.  Maybe, you will try that experiment and tell us what you came up with in your box.

I do know that one of my 3 CF garbage cans when filled with just compost weighs more than I can lift.

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Re: Recommended store bought compost - Photos of composts

Post  bigblue94 on 4/18/2017, 5:20 am

It was around 8 inches deep I may not be able to get mushroom compost would it be ok to use  just 4 compost or is there anything else
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Re: Recommended store bought compost - Photos of composts

Post  sanderson on 4/18/2017, 9:22 pm

My take:  Four good composts are better than 5 junk products.  Very Happy

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Re: Recommended store bought compost - Photos of composts

Post  sanderson on 2/11/2018, 3:23 pm

I thought I would 'bump' this thread for our new members.

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adding compost to Mel's Mix

Post  Docwas on 2/11/2018, 3:41 pm

I read on this thread that a nursery was making their form of Mel's Mix from 1 part peat moss, 1 part vermiculite, and 2 parts compost, saying that you will eventually end up with that ratio anyway.  I don't believe that is true.  I have found that the "settling" in my beds is never more than 1/3 the depth of my Mel's Mix.  To me, that confirms that the peat moss and vermiculite is remaining, but the 1/3 compost used in the original mix is consumed.  I always add enough compost to bring my squares back to their original height, and mix that well all the way to the bottom so that I have reconstituted the original ratio of Mel's Mix.  I started out using a blended compost, but now have my own compost that is all vegetable matter (90% leaves and grass, 10% kitchen waste.) I also do vermicomposting on a limited scale and add that into my compost mix before replenishing my SFG.
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Re: Recommended store bought compost - Photos of composts

Post  sanderson on 2/11/2018, 9:29 pm

Doc, you are correct. The nursery is not considering that the extra part of compost will also eventually be used up. So, Starting with 1:1:1 ration and adding more compost as needed to restore original height keeps things simple and the Mix nutritious.

No farm manure in the compost?

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Re: Recommended store bought compost - Photos of composts

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