improved fallow systems in the luang prabang area, lao pdr - Afaci
improved fallow systems in the luang prabang area, lao pdr - Afaci
improved fallow systems in the luang prabang area, lao pdr - Afaci
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Table of ContentsList of FiguresFigure 1. Laos and surround<strong>in</strong>g countries.......................................................................................1Figure 2. Climatic data Luang Prabang Wea<strong>the</strong>r Station (305 m a.s.l.), average 1971-1990.......................1Figure 3. Rotational shift<strong>in</strong>g cultivation system with a three-year cycle. ................................................2Figure 4. Visited villages <strong>in</strong> <strong>the</strong> Luang Prabang <strong>area</strong>. (After maps E-47-12, E-47-24, E-48-1, E-48-13 ServiceGeographique D'Etat, scale 1:100000) ...................................................................................5Figure 5. The effect of "normal" and "bad" years on yields..................................................................9Figure 6. Yields after <strong>improved</strong> <strong>fallow</strong> compared with normal <strong>fallow</strong>......................................................9Figure 7. A verage rice yields from <strong>the</strong> crop cuts performed <strong>in</strong> section a, b and c. ...................................9Figure 8. Fallow time of <strong>the</strong> experiment plots before and after experiment implementation (all=SCRP+FAO/UNDP).....................................................................................................................................10Figure 9: SCRP study <strong>area</strong> average yields and <strong>improved</strong> <strong>fallow</strong> plot yields "good" and "bad" years. ..........10Figure 10. Yields of plots with different <strong>improved</strong> <strong>fallow</strong> species (leuc.=Leucaena, p.p.=Pigeon pea). ........11Figure 11: Survival of different <strong>fallow</strong> species after repeated cropp<strong>in</strong>g cycles........................................11Figure 12: Same as figure 6, but presented as bars with confidence <strong>in</strong>terval. .......................................12Figure 13: Same as figure 7, presented as bars with confidence <strong>in</strong>terval. ............................................12List of TablesTable 1. Outl<strong>in</strong>e of <strong>the</strong> question succession. ...................................................................................6IMPROVED FALLOW SYSTEMS IN THE LUANG PRABANG AREA, LAO PDR - AN ANALYSIS BASED ON FARMEREXPERIENCES.20040940 vi
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