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The patterns of herbaceous vegetation development and weed potential following slash and burn clearing after different lengths of time between the cultivation cycles are described. The early stages of secondary succession following burning tended to conform closely to the initial floristic composition' model under shorter cycles of 4 and 6 years between cultivation, but the relay `floristics' model was found to be more applicable to the cycles of 10 and 20 years' duration. Weed population, in terms of density, biomass, and germinable seeds present in the soil, was significantly higher after cycles of 4 and 6 years compared to 10- and 20-year cycles. In all the cycles, however, weed population declined sharply after a year of cropping with an effective weeding programme following the burn.
Cataloging Information
- agriculture
- annual plants
- artificial regeneration
- Asia
- biomass
- competition
- croplands
- Dendrocalamus
- Eupatorium odoratum
- fire frequency
- fire intensity
- fire management
- herbaceous vegetation
- Imperata cylindrica
- India
- perennial plants
- plant communities
- plant growth
- population density
- post fire recovery
- regeneration
- roots
- seed dispersal
- seed dormancy
- seed germination
- seed production
- seeds
- Setaria italica
- slash
- slash and burn
- soil nutrients
- sprouting
- succession
- tillage
- weeds
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