EFFECT replicated five times. Groups 1 to 5

EFFECT OF HYDROCARBON POLLUTED SOIL ON THE BIOMASS AND
LEVELS OF PROTEIN IN COWPEA AND MAIZE SEEDLINGS

 

 

ABSTRACT

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Crude
oil was discovered in the southern part of Nigeria in the 1950s.Till date,
activities involve in its production continue to liberate hydrocarbons into the
environment, including farmlands. The aim of this
study was to determine the
effect of petroleum products contaminated soil at different concentrations on
the biomass and levels of protein in the leaves of both cowpea and maize
seedlings. Improved
varieties of maize (Zea mays) and Vigna unguiculata (L)
Walp were mobilized from approved sources and planted in soil contaminated at
different concentrations six groups replicated five times. Groups 1 to 5
contained 0.1%, 0.25%, 0.5%, 1.0% and 2.0% (v/w) respectively of each of the
petroleum products while group six served as control (0.0%). Three seeds were
planted in each bag and watered daily. The biomass of the whole seedling and
levels of protein were determined four days, eight days and twelve days
after germination. The
results indicated that the petroleum products caused significant (P

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