Abstract
Abstract Good soil structure is well recognised as a must for intensive cultivation. Various indices of soil structure suggested by earlier investigators had their own limited use in their application to the practical problems on the field. RICHARDS et al (1960) suggested compacted bulk density and hydraulic conductivity on the compacted samples as means of evaluating the structural status of soils. Problems of compaction, inadequate aeration and undesirable soil moisture relationships for growth of plants that are associated with soil structure depend on effective porosity (DAKSHINAMURTI, 1959) and porespace distribution in the soil for their solution. Hydraulic conductivity being related to the effective porosity should work out as a comparatively better index of soil structure. In the present investigation hydraulic conductivity and bulk density under varying conditions of compaction were studied and their significance and sensitivity as indices in comparison to other indices of soil structure were discussed.
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