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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.

                                     Kermit Schlansker
-----Original Message-----
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: raywije@eureka.lk, Stoves@crest.org, bioenergy@crest.org,
>         gasification@crest.org
>MIME-Version: 1.0
>Content-Type: text/plain; charset="US-ASCII"
>Content-Transfer-Encoding: 7bit
>X-Mailer: CompuServe 2000 32-bit sub 111
>
>Dear Ray:
>
>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
site
>at www.crest.org and join any of their groups that appeal to you.)
>
>Dear all:
>
>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
>ahead of.
>
>Wish him well....
>
>TOM REED                        BEF/CPC
>
>In a message dated 12/23/00 1:42:47 AM Mountain Standard Time,
>raywije@eureka.lk writes:
>
><<
>  Greetings Tom... and thank you for the greatly- appreciated opportunity
to
>  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
more
>  books on biomass related subjects... and particularly on methanol over
which
>  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
extension
>  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'
and
>  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
and
>  Central-America ..  as a means for - more sustainably - growing rain-fed
>  (upland)crops (eg. maize and beans etc., by maximizing the coverage of
the
>  soils with mulch left-over from the preceding crop and the mulch lopped
from
>  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
SALT
>  (Sloping Agricultural Land Technology)by the Mindano Baptist Mission and
>  taken again into Indonesia and Sri Lanka and Burma as a technology for
the
>  restoration of eroded hill-sides which are encountered all over tropical
>  Asia (and also around Pune!!) We sent several teams there from S'Lanka
and
>  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
(British
>  America Tobacco) extended it very actively throughout thousands of acres
of
>  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
renowned
>  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
(to
>  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
branches
>  and tree-trunks left in abundance
>  after the lopping, and the realisation then came that this 'waste'
material
>  would be valuable if only we could find a MARKET for it... and its use -
in
>  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
willing
>  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
inches
>  to the uninitiated)which is ideally-sized for fuel-wood and yet ensures
the
>  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
some
>  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
a
>  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
time
>  in the growing of trees for 'invisible' (or even 'perceive-able')
long-term'
>  benefits. Ray Wijewardene
>
>
>   >>
>
>
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