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Understanding Phosphorus In Soil

  • Thread starter Thread starter Homesteader
  • Start date Start date Jan 6, 2017
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Understanding Phosphorus In Soil

Homesteader Jan 6, 2017 34 Replies 6,191 Views
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Evergreenz

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#21
This thread is amazing I knew P was needed for stem and root health, but no where near to the extent explained. Thank you @Homesteader for this valuable info and to all who contributed.
 
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Homesteader

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#22
Perception said:
I'm diggin the bone char concept. Anyone know anything about the difference between:
-> bone char
-> Water-Soluble Calcium Phosphate (WCP - Dr. Cho's natural farming)
?

I'm guessing that the bone char lasts much MUCH longer (hundreds of years??), whereas the WCP is probably just good for a season. But you can make the WCP at home pretty easily. Looks like the Bone Char requires some pretty high heat. This video, from above, is the one I watched:
Click to expand...

Bone char is for the soil to feed the microbes. High calcium high carbon. I love this stuff. I use fertrell brand 0-16-0
 
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Evergreenz

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#23
Does anybody have recommendations on how often to apply the bone char? I have been researhing and getting mixed answers some say one and done for years some say in spring and again in fall... can we get a lil more light shed on the bone char from the experts? It sounds amazing from what I have been reading. Thanks
 
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Homesteader

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#24
What crop?
 
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Evergreenz

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#25
Homesteader said:
What crop?
Click to expand...
Marijuana - Sweet Leaf
Corn
Asparagus
Tomatoes &
Artichokes?
 
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Homesteader

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#26
Evergreenz said:
Marijuana - Sweet Leaf
Corn
Asparagus
Tomatoes &
Artichokes?
Click to expand...
You may have to compare these. Not a ton of info on the subject. I used a healthy dose on my pumpkin and spaghetti squash and had a great year.

The phosphorus fertilizer value of bone char for potatoes, wheat, and onions
 

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Last edited: Apr 10, 2017
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Evergreenz

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#27
Homesteader said:
You may have to compare these. Not a ton of info on the subject. I used a healthy dose on my pumpkin and spaghetti squash and had a great year.

The phosphorus fertilizer value of bone char for potatoes, wheat, and onions
Click to expand...
Sounds good thank you will just apply as a top dress
 
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Perception

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#28
Anyone have a good online source for bone char? I see a lot for use in aquarium applications - and definitely not cheap.
 
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Homesteader

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#29
Fertrell brand
0-16-0

Fedco sources it


I haven't bought from this store but it may be cheaper? I don't really know but seems to be.
http://surrygeneralstore.com/products/fertrell-bone-char-0-16-0-50-lb.html
 
Last edited: Apr 11, 2017
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Perception

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#30
Homesteader said:
Fertrell brand
0-16-0

Fedco sources it


I haven't bought from this store but it may be cheaper? I don't really know but seems to be.
http://surrygeneralstore.com/products/fertrell-bone-char-0-16-0-50-lb.html
Click to expand...

Fedco looks very fair pricing-wise!
 
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Homesteader

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#31
Shipping will get you best to look local. Many feed stores can supply fertrell brand
 
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Homesteader

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#32
This shows the stored Phosphate and in and out flows.
 
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Evergreenz

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#33
Homesteader said:
This shows the stored Phosphate and in and out flows.
View attachment 699994
Click to expand...
There's a good one to save, thanks!
 
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Slownickel

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#34
Most of what folks read about P is not true. The gov't got involved in the 70's and the 80's and decided that P was causing problems in rivers and streams resulting in algae growth. Turns out it was the dairy guys dumping their manure on their pastures near rivers that caused the issue. Terrible science.

P=K in ppms in your soil analysis. If P>K, that is like having too much money! Dump it on folks and watch what happens! Now, I know that this will cause some micronutrient issues. (but not that many really)!
 
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Fatboy

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#35
Seamaiden said:
Bring me back to this thread when I have more time!
Click to expand...
K...how bout now
 
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Replies 34
Views 6,191
Started Jan 6, 2017
Latest post Aug 5, 2019
Starter Homesteader
Forum Organic Soil

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