Effect of systemic soil insecticides and a plant product in microbial load of soil in root (wilt) affected coconut monocropping ecosystem

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dc.contributor.authorMurali Gopal
dc.contributor.authorAlka Gupta
dc.contributor.authorRajan, P.
dc.contributor.authorRadhakrishnan Nair, C.P.
dc.date.accessioned2014-06-12T06:46:56Z
dc.date.available2014-06-12T06:46:56Z
dc.date.issued2007-02-08
dc.description.abstractThe changes undergoing in the microorganism population due to the application of phorate 10G, carbofuran 3G (@ 10 g a.i./ palm) and neem oil cake (@ 1.5 kg / palm) in the basin region of coconut growingsn root (wilt) affected area was studied. Generally, a high microbial, population was observed in the control plot. Carbofuran proved to be more toxic as compared to phorate as it suppressed the bacterial, actinomycetal, and free-living N2 -fixers number significantly. Against Nitrosomonas and Nitrobacter (nitrifiers), the influence was inconsistent. Neem oil cake enhanced bacterial and free-living N2-fixer count ; against actinomycetes and fungi there was an initial stimulatory, and then antagonistic impact, whereas, it proved detrimental to the nitrifiers. From the six soil samplings done, spread over a period of six months, the microbial load was recorded to be high whenever there was moderate rainfall and medium temperature. Application of neem oil cake produced positive effect on the beneficial microorganisms as compared to the systemic insecticides.en_US
dc.identifier.citationCORD 2001 v-17 i-1 p-52-71en_US
dc.identifier.urihttp://hdl.handle.net/123456789/2821
dc.language.isoenen_US
dc.titleEffect of systemic soil insecticides and a plant product in microbial load of soil in root (wilt) affected coconut monocropping ecosystemen_US
dc.typeArticleen_US

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