Tony, thanks for this forward. Very helpful indeed. Chi jaama Joe >From: Tony Cisse <[log in to unmask]> >Reply-To: The Gambia and related-issues mailing list ><[log in to unmask]> >To: [log in to unmask] >Subject: Re: LOCUSTS - Preparation of neem biopesticides at farm level >Date: Thu, 12 Aug 2004 08:31:55 -0500 > >Brother Mbye, > >Not a chemist but have a farm in Senegal...I have already started using >this technique on my crops, and inshallah it will afford some protection. >It is well worth reading the full article >(http://tcdc.undp.org/tcdcweb/experiences/vol4/Neem%20biopesticides.pdf). >Apart from the technical details the authour makes some very important >points, especially relevant to farmers in our sub-region, and not just >about the neem tree, but about a general approach. > >So often we forget that solutions to problems such as locusts, drought >etc. did not just come about through Western ideas and technologies. For >countless centuries people were able to face these natural hazards and >s >urvive them without millions dying of hunger. > >Indeed many of these technologies either do not work well, have serious >side-effects, increase dependancy on imported item, or are based on >knowledge taken originally from the traditional science developed by the >forefathers of the same farmers to whom they products are marketted (and >not paying any copyright). But the common approach is so often that of; > >'Cheeeyii, toubab bi mo bari xamxam' and a total loss of confidence in >traditional knowledge, which is often described as 'local' as if that term >was some sort of insult. > >I think it is a duty of those of us who are privaledge to have the >education to read and have access to things like the internet to research >and re-validate effective traditional knowledge and promote it's use >before some American multi-national company tries to patent it. This has >been the case with neem and has been contested >in courts, a US company >claimed that it 'owned' the patent to the neem tree...in India...and that >anyone wanting to use it to develop its use would have to pay money to >them!!!! Can you imagine this happening in Gambia for something >like 'jittah'.. don't laugh it could happen... anyway Brother please take >time to read the full article, and please circulate it to anyone you can >think of who might make use of this knowledge. > >Jamm ak xewel > >On Wed, 11 Aug 2004 12:06:45 -0700, baboucarr Sey <[log in to unmask]> wrote: > > >Thanks brother are you a chemist ? > > > >Cheers > > > >Mbye Sey > > > >Tony Cisse <[log in to unmask]> wrote: > >sees all my extracts din't post so here is the rest: > > > >http://tcdc.undp.org/tcdcweb/experiences/vol4/Neem%20biopesticides.pdf. > > > >Neem leaf extract > >For 5 litres of water, 1 kg of gr >een neem leaf is required. Since the > >quantity of leaves required for the preparation of this extract is quite > >high (nearly 80 kg are required for 1 hectare), this can be used for > >nursery and kitchen gardens. The leaves are soaked overnight in water. >The > >next day, they are ground and the extract is filtered. The extract is > >suited for use against leaf- eating caterpillars, grubs, locusts and > >grasshoppers. To the extract, emulsifier is also added. Remarks: The > >advantage of using neem leaf extract is that it is available throughout > >the year. There is no need to boil the extract since boiling reduces the > >azadirachtin content. Hence the cold extract is more effective. Some > >farmers prefer to soak the leaves for about one week, but this creates a > >foul smell. > >General remarks about spraying > >• Spraying should be undertaken in the morning or late in the > >evening. Under hot conditions, the f >requency of spraying should be > >increased. In winter, spraying once in 10 days and every day in the rainy > >season is recommended. > >• Insects lay eggs on the underside of the leaves. Hence it is > >important to spray under the leaves also. > >• While using a power sprayer, the quantity of water used should be > >halved. > >• It is better to use low concentrations of extracts frequently. > >• As a general guideline, it can be said that each acre of land to > >be protected can be sprayed with 60 litres of ready-to-use solution (not > >the concentrate). Of course, the volume may have to be varied depending >on > >the exact conditions prevailing, such as the intensity of the pest >attack. > > > >~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ >To Search in the Gambia-L archives, go to: >http://maelstrom.stjohns.edu/CGI/wa.exe?S1=gambia-l >To contact the List Management, please send an e-mail to: >[log in to unmask] > >To unsubscribe/subscribe or view archives of postings, go to the Gambia-L >Web interface >at: http://maelstrom.stjohns.edu/archives/gambia-l.html > >~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ _________________________________________________________________ Express yourself instantly with MSN Messenger! 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