How much does each amendment weigh?

January 10, 2014 11 Comments

I'm often asked how much each one of our soil amendments weigh. 

 

Here is a short post to help, rounded to nearest half ounce.

 

1lb = 16oz

1 Cup = 16 Tablespoons

1 Cubic Foot is equal to about 7.5 gallons of soil.

1/2 Cup Per Cubic Foot = about 1 Tablespoon per gallon.

Most amendments are recommended to be used with 1/2 Cup Per Cubic Foot of Soil and that Works out to about 1 Tablespoon Per Gallon of Soil.

Amendment Name:

Weight In Ounces Per Cup:

Fish Bone Meal   8 Ounces 
Crustacean Meal 7 Ounces
Kelp Meal 7.5 Ounces
Neem Cake 6.5 Ounces
Alfalfa Meal 2 Ounces
Oyster Flour 8 Ounces
Gypsum 9 Ounces
Soft Rock Phosphate 9 Ounces

Glacial Rock Dust

9 Ounces

Barley Seed

6 Ounces

Worm Castings

7 Ounces

 

 

Anything else I should weigh?




11 Responses

http://www.bloglog.com/blog/94054
http://www.bloglog.com/blog/94054

June 04, 2016

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Noah
Noah

April 03, 2016

I am curious how much your craft blend weighs per cup, any ideas?

Glynden groves
Glynden groves

February 25, 2016

Can you over amend a soil mix?

David Verstoppen
David Verstoppen

February 18, 2016

I’m with Jeff Muzio would love to know the #‘s per yard on coot’s mix please thanks

Jeff Muzio
Jeff Muzio

November 14, 2015

How about Basalt weight? Would love those numbers. Either that, or how many #’s per yard for the coots mix.

Thanks for your time

Jmuzio11@Gmail.com
Jeff Muzio

Chris
Chris

May 16, 2015

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Nick W
Nick W

July 14, 2014

I meant 8 cups per pound not gallon.

Nick W
Nick W

July 14, 2014

I see u have alfalfa meal at 2oz per cup but that would be 8 cups per gallon…..your alfalfa meal says 10# bag is 39 cups? Can you clarify this for me? Thanks!

Dylan
Dylan

January 14, 2014

It might be helpful to have conversions in both directions by saying how many cups are in one pound. Something along these lines: “there is about 2 cups in one pound of fish bone meal”. It is a bit redundant, but for those people who are bad at math, it could simplify things a bit.

BuildASoil
BuildASoil

January 11, 2014

Thanks for the question Nick! I Just updated the blog to reflect the weight. EWC are about 7 pounds per gallon.

Nick
Nick

January 11, 2014

An average weight per cf maybe of your worm castings? However would be easiest :)

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