[Gasification] [Stoves] SILICA removed from the soil !

[Thomas Reed]

Dear A.D. Karve:

I have long been puzzled by the very high silica content of rice hulls 
and rice straw.  Is it because they like having silica - is it a 
necessary mineral - or because they have their roots in water and 
naturally transpire silicious water and must store the silica.

Curious,

TOM REED          BEF

adkarve wrote:
> Dear Frans,
> wheat and rice remove 250 kg silica per year per ha. Sugarcane removes 500
> kg/ha. This example shows that the plants, with the help of the soil
> bacteria, literally eat the soil.
>  There are two provisos for the high calorie noncomposted organic manure to
>  show good results. The first is of course that the soil must have all the
>  mineral ingredients that the plants need. If a farmer observes any
> deficiency, he
>  has to correct it by applying the relevent element to the soil or to
>  the plants. The vertisols in peninsular India and sedimentary soils in the
> gangetic plain in India, have all the minerals that the plants need and are
> therefore considered to be
>   highly fertile. Secondly, the soil must be well drained
>  and well aerated for the bacteria to survive. Minerals
>  in the ionized form are present only in the top soil, but as the microbes
>  and the plants literally eat this layer, the layer below that then becomes
>  the top soil. This is a very slow process and not easily noticeable, but it
>  is a fact. Therefore I mentioned the thickness of the earth's crust, only
> to
>  show that at the slow rate at which the bacteria and the plants are eating
> up the
>  soil, the minerals in the earth's crust represent an inexhaustible source,
>  especially because it gets replenished from below due to the earth's
> natural
>  geological processes. It is because of this reason, that recycling of
>  organic waste is not necessary. The city waste and the waste generated by
>  the poultries and the animal fedlots can be used as fuel in the areas where
>  the waste is generated.It is also not necessary to have nitrogen fixing
> plants in the rotation, because with the high calorie manure that I am
> advocating, the free living nitrogen fixing bacteria fix enough nitrogen for
> the entire soil ecosystem.
>  Yours
>  A.D.Karve
>
> ----- Original Message -----
> From: Frans Peeters <peetersfrans at pandora.be>
> To: Stoves <stoves at listserv.repp.org>
> Sent: Friday, October 20, 2006 6:14 AM
> Subject: [Stoves] SILICA removed from the soil !
>
>
>   
>> Dear A D CARVE India    et all
>>
>>    You wrote: 250 Kg SILICA is removed by every crob !   / Hectare ? US
>> acre ?
>> No body complains the missing SiO2 !  You must be yoke-ing ?
>> The whole EART contains 61 % silica . 15 % aluminia .
>>  After burning rice huls , you get back al the silica .
>>      I wonder the old fact , there is NO silicon found in human ash .
>>  But plant herbalists promote silicon for strong venues and joints .
>> Could you tell us more about that ?
>> Also we admire your agro-culture without fertilizers .
>> Humus : 45 %  protein in leaves ; must it be a certain humidity for not
>> loosing Nitrogen into the air ?
>> Do you use alternating crops who extract N2 from the air into the soil ,
>> like beans family ?
>> Lupinus  = beans for N2  fertilising use only .
>>
>> Greetings
>>
>> Frans.
>>
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