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SG-W:/ Fw: SALT - Sloping- Agricultural- Land-Technology
I thought this was interesting enough to forward to various places. It
shows the kind of tinking that will be needed for survival.
From: Reedtb2@cs.com <Reedtb2@cs.com>
To: undisclosed-recipients:; <undisclosed-recipients:;>
Date: Sunday, December 24, 2000 12:51 AM
Subject: Re: SALT - Sloping- Agricultural- Land-Technology
>To: email@example.com, Stoves@crest.org, firstname.lastname@example.org,
>Content-Type: text/plain; charset="US-ASCII"
>X-Mailer: CompuServe 2000 32-bit sub 111
>I hope you don't mind my forwarding your letter with my blessings to our
>readers at CREST.org. CREST is the Center for Renewable Energy and
>Sustainable Technology, where gasification and stoves are extensively
>discussed, but not much on enhanced PRODUCTION of biomass. Visit their
>at www.crest.org and join any of their groups that appeal to you.)
>I met Ray Wijewardene at the STOVE conference in Pune last month. He is
>multi-faceted (graduate of Cambridge - the one in England, not US). He is
>particularly interested in increasing production of biomass as a fuel - a
>subject all us consumers of biomass need to pay attention to and not get
>Wish him well....
>TOM REED BEF/CPC
>In a message dated 12/23/00 1:42:47 AM Mountain Standard Time,
> Greetings Tom... and thank you for the greatly- appreciated opportunity
> meet you in Pune and learning from that excellent meeting of minds and
> interests. By separate mail I am sending your organisation an order for
> books on biomass related subjects... and particularly on methanol over
> my interest was fired by Harry's demonstration. I've written promptly to
> Hrry, for more information and recieved a brief response from a member of
> his family to which I responded with much data from Sri Lanka... but then
> heard nothing more!
> I am glad you found your visit to ICRAF interesting ...also as an
> of what I was saying at Pune. The technique of growing maize etc. between
> avenues of (usually NF-nirogen-fixing)trees was termed 'avenue-cropping'
> was earlier known in Indonesia. It was 'researched' at IITA (the
> International Institute of Tropical Agriculture... where I too served as
> 'principal scientist' - ag-engineer for nearly a decade in the '70s)
> It spread throughout TROPICAL Africa (Kenya and ICRAF included) and Asia
> Central-America .. as a means for - more sustainably - growing rain-fed
> (upland)crops (eg. maize and beans etc., by maximizing the coverage of
> soils with mulch left-over from the preceding crop and the mulch lopped
> NF trees grown in the hedgerows.
> This mulch also minimised the loss of soil from erosion (one of the major
> causes of diminishing and lost fertility on rain-fed lands)and greatly
> helped add to its fertility.
> In the Philippines the program of avenue cropping (AC) was extended as
> (Sloping Agricultural Land Technology)by the Mindano Baptist Mission and
> taken again into Indonesia and Sri Lanka and Burma as a technology for
> restoration of eroded hill-sides which are encountered all over tropical
> Asia (and also around Pune!!) We sent several teams there from S'Lanka
> have a very active program going with the tea plantations ... much of it
> recorded on video, as also on 'papers'. The local subsidiary of BAT
> America Tobacco) extended it very actively throughout thousands of acres
> eroded hillsides in the area west of Kandy in S'Lanka and it won them the
> first prize in the internationally renowned World-Aware Contest in 1998.
> I was greatly honoured to deliver a lecture on the subject at the
> lecture hall of the Royal Institution in London (where famous scientists
> such as Sir Humphrey Davy, Sir James Dewar, Hermann von Helmoltz have
> lectured... even Albert Einstein!) when the CTC Ceylon Tobacco Company
> which I was honoraray consultant for the program) accepted their very
> prestigious award.
> But there was always 'something' missing in the SALT / AC
> programme... there was apparently no use for the woody sticks and
> and tree-trunks left in abundance
> after the lopping, and the realisation then came that this 'waste'
> would be valuable if only we could find a MARKET for it... and its use -
> coppiced form - as fuel-wood for electricity generation came up.
> At this stage, please re-read my paper on GROWING OUR OWN ENERGY which I
> trust will be printed in the proceedings of our meeting. I shall be
> to email a copy to anyone really interested.
> The technique of 'high-level-coppicing' (or POLLARDING as it is known to
> foresters) was the key to the sustain-ability of the process, as one only
> commences to lop the branches when the tree reaches head-height and then
> only the branches which have achieved a diameter of about 35mm (1-1/2
> to the uninitiated)which is ideally-sized for fuel-wood and yet ensures
> smaller branches are retained on the tree ... mebbe for a further 3 or 4
> months. (Money being 'banked' on the trees).. As the trees are planted
> 1 by 2 metres apart (about 7,500 trees per hectare)one can usually
> anticipate a continuing (dry-weight-yield) of 25 to 30 tonnes per hectare
> per year (under typically Pune agro-climatic conditions)with a continuing
> cover of the soil with the smaller loppings for mulch or animal-feed. But
> the system needs 'extending' by a 'dedicated' organisation (eg.ARTI) with
> clear and attainable commercial market (such as we are trying to develop
> here for fuel-wood-generated energy with our national electricity board)
> Farmers are unlikely (and, quite naturally) NOT keen on investing their
> in the growing of trees for 'invisible' (or even 'perceive-able')
> benefits. Ray Wijewardene
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