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Andrew
I live in Copenhagen, but do not know which climate arrangement I’ll participate in. My phones are +45 35 26 2100 and land +45 61 81 12 21 if you come by. Are you coming?
Direct seeding not just in pots but directly in the field could probably save a lot of costs, at least with suitable improvement which need development and testing. I think I can get them to start germinate earlier and to be less affected by dry spells. The seed or drought is often blamed for direct seeding problems which may be avoidable. Likewise, drought and cultivation is blamed rather than the transplanting when transplanted trees fail due top big tops with short often damaged roots. One can test seeds first, have some ready to bare root transplant locally with improved methods, and have some container seedling as back-up somewhere. Still, the simplest direct seeding or untested ideas may not be sufficiently reliable, and I understand you put nurseries in the budget. The 4 months to get them ready should probably be added to 3 months in nursery; and then we reach the same total we used to get man-high dense green calliandra, despite it is a real tree probably starting growth much more slowly.
African farmers are surviving on taking many small risks (like direct seeding a few hundred new types of seeds first) and trying to avoid the big risks.
Most I Googled (Jatropha tropical) writes it is tropical and some tropical and sub tropical but not tolerating frost.
Intercropping usually works best with very different type of plants.
It seems like wood ash and organic matter without too much rapidly released nitrogen may improve Jatropha growth and seed production on poor soil, but may not have been tried directly.
Even the best comprehensive big agro-industry plans often fails if local experience is lacking and flexibility is low. Still, it is important to plan for the whole chain. Investors may be worried for the nut supply, now when US biodiesel-industries run with low capacity use.
Danish farming evolved first really with better integration of legumes and local peasant participation at all levels. Now our forestry is getting more diverse and natural.
It could be interesting to collaborate with some big enough to making research profitable. It may also be easier to get Danish funding these days for collaborating with companies than NGO's.
I do not know the Danish projects except the home page http://www.sepk.org for Karatu Tanzania.
The model for KBC KIA Kilimanjaro - Arusha region is also applicable to the MIA - West of Kenya regions. Following the Copenhagen Protocols we should discover a lot more investor interests as well as ADB (Asia and Africa) and WB finance supporting agricultural development generally. While there are many Agricultural Centres of Excellence very few are actually designed to systematically promote large scale agricultural extension.
PS I do not understand why you often write about sub tropics, when you mention tropical countries (sub humid and semiarid areas).
I try to be generalist. It is possible to be much more specific but, for the most part I think the majority of interested people will understand. Of course in any region there will be multiple climate and micro climate considerations as well as soil types. My role is really focused upon the ideological framework required to obtain objectives and the policies required to support the same. So far we have excellent policy support for energy crops grown on land unfit or not generally used for food. The complete program of establishing orchards of Jatropha Curcas inter cropped with Castor, serviced by Pollinators (bees) and harvested for complete renewable biomass will bring massive amounts of land into the cycle of productivity and ultimately lead to general improvements in all agricultural land use. At least this is the objective. More than anything the intervention will lead to improved water management as the dry area seasonal rains will be captured more efficiently. While the world is busy discussion making fuels from plant materials we also have to develop our ability to obtain more usable water. We have to get better at capturing, keeping, using. Jatropha orchards may actually assist with this by delivering the incentives to do so.
This blog gives some idea of the costs.
KBC's plan includes developing our own energy crop, semi-arid land, renewable energy Centre of Excellence as a new industry research, training and direct technology transfer and marketing institute.
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