ario <joe@[EMAIL PROTECTED]
> writes
>On Wed, 05 Dec 2007 18:08:52 +0000, Oz wrote:
>
>> ario <joe@[EMAIL PROTECTED]
> writes
>>>
>>>I've read that in The Philippines, chicken manure is mixed with pure
>>>rice hull, carbonised rice hull, some 'beneficial' bacteriae
>>>(Lactobacillus something) to treat soil acidity and attract nitrogen,
>>
>> ?? Attract nitrogen?
>
>Yes, there 'seem' (because I don't have experience with that) to be
>nitrogen fixating bacteriae, see for instance
>http://hcs.osu.edu/hcs300/bact.htm
>http://en.wikipedia.org/wiki/Nitrogen_fixation
>Ohw, sorry, if your objection was with the word 'attract' then you're
>right of course. They don't attract, merely fixate it.
Unlikely to any extent.
>> Poultry manure from layers is often quite alkaline.
>
>Thanks, I didn't know that, so this could especially be helpful for de-
>acidification of the soil in rice fields which have long been supplied
>with chemical fertilisers and herbicides and pesticides, which seems to
>turn the soil quite acidic, inhibiting a proper growth.
Easier and cheaper to apply lime directly.
>>>degrading
>>>bacteriae or enzymes, and micro-nutrients, to produce a compost which
is
>>>high in nitrogen, has a high silicon content in a form ready for
take-in
>>>by the plant.
>>
>> 1) Nitrogen is never fixed in manure.
>
>Well, I didn't say it is fixed in the manure. Rather, the manure is mixed
>with rice hull in both pure and carbonised form. So maybe it can be fixed
>in the organic matter from the rice hull?
Improbable. Main N-fixers are cyanobacteria and legumes.
Both rely on sunlight.
>>2) Silica (if available) is toxic to plants.
>
>I've been told that the rice plants needs a high amount of silicon for
>its rice hull. Maybe it's not in the form of silica then?
Silicon is not a rare commodity in soils.
Ever.
>>>I think one could call this a 'manufactured organic fertiliser'?
>>
>> If you think so.
>>
>> Most would call it the local midden with all the waste organics dumped
>> thereon.
>
>Here it's sold for quite a lot of money. It's also said that rice grows
>very well on it. The price, for sufficient application, is almost the
>same as for chemical fertiliser, but that one keeps only increasing in
>price.
Some born every day ....
--
Oz
This post is worth absolutely nothing and is probably fallacious.
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