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Old 12-01-2010, 12:31 AM
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sedge sedge is offline
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What plants make the highest N composted?

I was just wondering if a person had to make their own N, what plant species would be best for composting? Not a plow down type, but an actual N you could apply as compost or?
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Old 12-01-2010, 08:04 AM
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fl-landscapes fl-landscapes is offline
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might want to try this over in the organics forum....maybe the mods can move it for you
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Old 12-01-2010, 08:09 AM
ICT Bill ICT Bill is offline
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mushroom mycelia is 9%
Soy is around 6%
alfalfa is around 4%
corn gluten meal is around 9%
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Old 12-01-2010, 07:34 PM
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sedge sedge is offline
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Quote:
Originally Posted by fl-landscapes View Post
might want to try this over in the organics forum....maybe the mods can move it for you
Not really an organic question only, but I get your point. Thanx.

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Originally Posted by ICT Bill View Post
mushroom mycelia is 9%
Soy is around 6%
alfalfa is around 4%
corn gluten meal is around 9%
This is in meal form or composted form of the entire plant for the other 3?

If I am reading that correctly, corn gluten at 9% would take 11 lbs to make 1 lb of N?

Soy (meal?) would take about 16lbs. Soy meal at $400 per ton would be about $3.20 per actual lb of N, correct?
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Old 12-01-2010, 09:40 PM
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dKoester dKoester is online now
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Anual rye is perfect. First cut should be before it flowers. What a great cover crop.
I also like Alfalfa cause it helps bees tremendously and makes deer huge.
http://www.ryegrasscovercrop.com/

As far as meals go, you can make your own soy and alfalfa meals.

Last edited by dKoester; 12-01-2010 at 09:44 PM.
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Old 12-01-2010, 09:52 PM
Kiril Kiril is offline
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Quote:
Originally Posted by ICT Bill View Post
mushroom mycelia is 9%
Soy is around 6%
alfalfa is around 4%
corn gluten meal is around 9%
None of which are compost.
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Old 12-01-2010, 10:03 PM
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RigglePLC RigglePLC is online now
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You are on the right track, Sedge. I think that almost any legume would be fine as a nitrogen bearing compost. Alfalfa, beans, peas, clover, crown vetch, black medic...
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Old 12-01-2010, 10:04 PM
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dKoester dKoester is online now
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Alfalfa and rye help put the N in my compost. I no till farm so compost is the best start. Rye roots go down deep and pull alot of good nutrients out of the soil so when it gets cut down the roots die/decay. This helps with drainage and soil structure while the remaining matter feeds the microbes which feed my plants.
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Old 12-01-2010, 10:42 PM
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sedge sedge is offline
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Quote:
Originally Posted by Kiril View Post
None of which are compost.
I know the corn gluten "meal" wasn't and didn't figure on the others, but just checking. Thanx.

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Originally Posted by RigglePLC View Post
You are on the right track, Sedge. I think that almost any legume would be fine as a nitrogen bearing compost. Alfalfa, beans, peas, clover, crown vetch, black medic...
So any naturally occurring plant with higher N, will also make a higher compost with N. Does the heat from the composting break down or enhance or does nothing to the N?

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Originally Posted by dKoester View Post
Anual rye is perfect. First cut should be before it flowers. What a great cover crop.
I also like Alfalfa cause it helps bees tremendously and makes deer huge.
http://www.ryegrasscovercrop.com/

As far as meals go, you can make your own soy and alfalfa meals.
Yes, you can purchase soy meal cheaper then you can make it, as the oils have been removed.

Quote:
Originally Posted by dKoester View Post
Alfalfa and rye help put the N in my compost. I no till farm so compost is the best start. Rye roots go down deep and pull alot of good nutrients out of the soil so when it gets cut down the roots die/decay. This helps with drainage and soil structure while the remaining matter feeds the microbes which feed my plants.
Yes, agreed, but this ain't fo a farm.

Reason I am asking is if we get involved in attacking Iran, NK and related, N prices will skyrocket more so then they are going up currently. So was thinking to possibly have a back up if feasible and maybe also take a look at organic fertilizers.

Organic fert works great, but not so with organic weed control imho on lawns. i say that, but the last 2 years i was on the farm and in charge we used liquid molasses with liquid calcium on the corn for weed control. Worked great.
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Old 12-01-2010, 10:53 PM
Kiril Kiril is offline
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So any naturally occurring plant with higher N, will also make a higher compost with N.
No. A properly finished compost, regardless of the material used, should be in the range of 15:1 -> 20:1 C:N. The benefit you might gain by using a legume is the N source in the plant is naturally obtained (assuming fixation is occurring) and therefore it will be a more sustainable source of green matter in the pile. Cover crops IMO are better used as green manure.
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