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Dynamics of buried seed population of four annual weeds in potato fields under slash and burn agriculture (jhum) and terrace cultivation in north-east India



Dynamics of buried seed population of four annual weeds in potato fields under slash and burn agriculture (jhum) and terrace cultivation in north-east India



Dormancy and barriers to germination Proceedings of an international symposium of IUFRO Project Group P204-00 Seed problems Victoria, British Columbia, Canada, 23-26 April 1991: 121-126



The dynamics of germinable, dormant and non-viable buried seeds of 4 annual weeds (Spergula arvensis, Galinsoga ciliata, Polygonum alatum, Ambrosia artemisiifolia) were studied in relation to soil depth and season in potato fields under slash and burn agriculture (jhum) and terrace cultivation at Upper Shillong, Meghalaya. Soil temperature and moisture content decreased, while CO2 evolution increased, with increasing soil depth.

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