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Inherent Factors Affecting Bulk Density and Available ...

Page 1 Guides for Educators bulk Density is an indicator of soil compaction and soil health. It affects infiltration, rooting depth/restrictions, Available water capacity, soil porosity , plant nutrient availability, and soil microorganism activity, which influence key soil processes and productivity. It is the weight of dry soil per unit of volume typically expressed in grams/cm3. Total volume of surface soil is about 50% solids, mostly soil particles (45%), and organic matter (generally < 5%); and about 50% pore space which are filled with air or water (Figure 1).

Bulk density is an indicator of soil compaction and soil health. It affects infiltration, rooting depth/restrictions, available water capacity, soil porosity, plant nutrient availability, and soil microorganismactivity, which

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