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Articles by Nusrat Rabbani
Total Records ( 2 ) for Nusrat Rabbani
  Rukhsana Bajwa , Arshad Javaid and Nusrat Rabbani
  A pot experiment was conducted to observe the effect of effective microorganisms (EM) on vesicular arbuscular mycorrhizal (VAM) colonization, nodulation and crop growth in Trifolium alexandrianum L., in soils amended with farmyard manure (FYM) and green manure (GM). EM significantly enhanced mycorrhizal colonization in 60-day old plants in both types of soil. EM failed to induce any remarkable change in nodulation at this growth stage while it exhibited an inhibitory effect on root and shoot biomass production. After 80 days growth, EM treated plants exhibited no significant variation in mycorrhizal colonization than non-treated plants. EM application caused a significant reduction in nodule number while increased the size and biomass of nodules in both types of soils. EM application supported root growth in FYM amended soil, however, shoot growth was adversely affected at this growth stage. In GM amended soil EM inhibited both the root and shoot growth. EM failed to induce any relationship between VAM colonization, nodulation and plant growth.
  Arshad Javaid , Rukhsana Bajwa , Nusrat Rabbani and Malika Uzma
  A variable response of crop growth, nodulation and VAM colonization to EM (effective microorganisms) application was observed when Vigna radiate (L) Wilczek was grown in farmyard manure (FYM) and Trifolium green manure (GM) amended soils with different histories of EM application. In soil 1 EM application was started six months prior to soil 2. Shoot growth was enhanced due to EM application in GM amended soil 1 but suppressed in soil 2 with either organic amendment. Root biomass was increased by EM application in FYM but reduced in GM amended soils, EM reduced pod dry biomass in soil 1 but enhanced in FYM amended soli 2. Irrespective of the soil type and organic amendment, nodulation was enhanced by EM application at vegetative growth stage. VAM colonization showed a positive response to EM application in both the soils. The response of crop growth was independent of the response of nodulation and VAM colonization to EM.
 
 
 
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