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Influence of a developing tree canopy on the yield of Pennisetum pedicellatum sown on a mine spoil
Author(s) -
Singh Arvind,
Jha A.K.,
Singh J.S.
Publication year - 1997
Publication title -
journal of vegetation science
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.1
H-Index - 115
eISSN - 1654-1103
pISSN - 1100-9233
DOI - 10.2307/3237204
Subject(s) - canopy , pennisetum , biomass (ecology) , monoculture , agronomy , shoot , tree canopy , biology , agroforestry , botany , environmental science
Abstract. Shoot and root biomass yield of a sown grass, Pennisetum pedicellatum , were measured at below‐canopy, canopy edge and open locations in young monoculture stands of eight tree species planted on a coalmine spoil. Incident light as percentage of full sunlight decreased from open to canopy edge to below‐canopy locations. The shoot and root weights of Pennisetum in different tree stands for each of the three locations were significantly different and were significantly related to each other, and to percentage sunlight across all tree species plots and locations. The gradient of incident light was the principal factor governing the gradient of grass biomass under developing canopies of tree plantations on the mine spoil.