Malika Pal, Archana Lalwani and Raksha Chauhan

Department of Botany and Biotechnology Sadhu Vaswani College Bairagarh, Bhopal 462030 (India) Email ID -drmalikapal@gmail.com

ABSTRACT

The present study was undertaken to assess the effect of various common exogenous substances on total chemoheteroph population of the soil The members of actinomyceties line or chemoheteroph are on the hand sturdy organisms and its spores can withstand desiccation and show grater resistance to dry or wet heat than vegetative cells. They can colonize dry soil due to their filamentous nature and exists in soil for extended periods as resting arthospores that can germinate in occasional presence of exogenous substrates. Ecologically and economically these organisms are important because of their role in biogeochemical cycle and production of antibiotics. The composition of the soil varies with the eco-geographical location. So to avoid other factors influencing the out come, soil from a narrow radius with different land uses was sampled. It has been found out that both organic and inorganic exogenous materials have a negative impact on soil chemoheterotrophic population.

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