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The Soil Plate

This method is an extension or adaptation of Warcup's soil plate method. The rhizosphere soil (0.05-0.01g) is directly plated on melted and cooled agar medium. Before the agar solidifies, the dishes are rotated to distribute the soil in the agar.

The advantage of this technique is that a differentiation of the soil microflora from various regions of the root system could be made. Secondly, mycelial as well as spore forming fungi have equal chan­ces to come up on agar plates.