Effect of Integrated Use ofacricijltural Wastes (Coir Pith And Pressmud) and Biofertilizer on Growth and Yield of green
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Date
2012
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Abstract
A pot culture experiment was conducted to evaluate the response o f
pressmud and coir pith in combination with biofertilizer (Rhizohium) on the
vegetative and yield parameters of the green gram. After composting, the pH
and electrical conductivity were increased in compost. The macronutrients
like nitrogen, phosphorus and potassium were increased but a decreasing
trend was noticed in organic carbon and carbon/nitrogen ratio. The experiment
was carrying out with four treatments with three replicates. The vegetative
parameters like root length, shoot length, number of leaves, number of nodules
and plant biomass were significantly increase in all the treatments. The yield
parameters such as number of pods/plant, weight o f pods/plant, length of
pods were significantly increased by all the treatments and the combined
application o f composted pressmud (12.5 t/ha), composted coir pith (12.5 t/
ha) with biofeitilizer (Rhizobium) was found to be more effective. The pH,
electrical conductivity, phosphorus and potassium were raised by the application
o f composted pressmud, composted coir pith and Rhizobium. From the
present investigation, it has become evident that the composted pressmud,
composted coir pith and bio fertilizer treatment had a positive influence towards
biometrical and yield characters of green gram. Hence, it was concluded that
the pressmud and coir pith on composting along with Rhizobium can be
effectively used as an organic manure substitute.