Abstract
Production of biomass of five dominant species growing in some tea fields of Assam was investigated. Biomass of weed community showed significant variation in different seasons in the tea fields. Studies showed one peak of accumulation of above ground biomass during September (1466.87g/m²), three peaks in live shoot during February (780.377g/m²), June (1162.99g/m²), and September (1371.87g/m²), two peaks of dead shoots during December (370.2g/m²) and July (184.6 g/m²) in the weed communities. Study indicated one peak in deposition of litter and accumulation of below ground biomass during February (230.6g/m²) and September (345.5g/m²) respectively. Among the five dominant weed species, B. articularis showed highest contribution of biomass during August (10.25%) and minimum by P. conjugatum during March (0.22%) in the weed community of tea fields of Assam.
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