Soil Microflora And Va-Mycorrhizae In Areca Based High Density Multispecies Cropping And Areca Monocropping Systems
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1991
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Soil microflora in the root zone and rhizosphere of areca based high density multispecies (HDMS) cropping and areca monocropping systems were studied. The population of bacteria, fungi, actinomy-cetes, N2-fixers and P-solubilizers were more in the rhizosphere as compared to their respective root zone soils in various crops. The bacterial numbers were more in the root region and rhizosphere of areca, cacao and pineapple in HDMS cropping system as compared to areca monocropping system. The N2-fixers were more in rhizosphere and root region of cacao as compared to other crops. The spore count, VAM root infection (%) and extent of root colonization (%) was least in banana and coffee. Microbial biomass in soil (CO2-C, N and P in biomass) was higher in areca HDMS cropping system as compared to areca monocropping system.
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J.Plantn.Crops 1991 Suppl. v-18 p-224-228