Abstract
Soil structure as a significant indirect factor affecting crop yields
Highlights
Soil physical health is the ability of a given soil to meet plant and ecosystem requirements for water, aeration, and strength over time and to resist and recover from processes that might diminish that ability (McKenzie et al, 2011)
There were expected that a finding to be consistent with Iwai et al (2019) and show the addition of compost in soil resulted in physical properties such as bulk density, total soil porosity (TP), moisture in soil were improved
Applied compost decreased bulk density and increased TP, moisture, and aeration but the changes were not significant compared to the control, the exception being the quantity of added organic matter to the soil, a key factor in the quality of organic amendments
Summary
Soil physical health is the ability of a given soil to meet plant and ecosystem requirements for water, aeration, and strength over time and to resist and recover from processes that might diminish that ability (McKenzie et al, 2011). Soil structure refers to the shape, size, and strength of soil aggregates (the basic unit of soil structure) and pores (voids between particles and soil aggregates). These characteristics are differentiated through the capacity of soil pores, and their ability to retain water, organic and inorganic substances in them, allowing them to move, solubility and ability to support the growth and development of soil microorganisms and plant roots (Lal & Shukla, 2004). Soil and plant water supply, aeration, availability of plant nutrients, microbial activity, root growth and many physical properties of soil are significantly affected by the soil structure.
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