How soil fertility happens
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Soil fertility refers to the ability of a soil to sustain plant growth, i.e. to provide plant habitat and result in sustained and consistent yields of high quality.[1] A fertile soil has the following properties:[2]
The ability to supply essential plant nutrients and soil water in adequate amounts and proportions for plant growth and reproduction; andThe absence of toxic substances which may inhibit plant growth.
The following properties contribute to soil fertility in most situations:
Sufficient soil depth for adequate root growth and water retention;Good internal drainage, allowing sufficient aeration for optimal root growth (although some plants, such as rice, tolerate waterlogging);Topsoil with sufficient soil organic matter for healthy soil structure andsoil moisture retention;Soil pH in the range 5.5 to 7.0 (suitable for most plants but some prefer or tolerate more acid or alkaline conditions);Adequate concentrations of essential plant nutrients in plant-available forms;Presence of a range of microorganisms that support plant growth.
The ability to supply essential plant nutrients and soil water in adequate amounts and proportions for plant growth and reproduction; andThe absence of toxic substances which may inhibit plant growth.
The following properties contribute to soil fertility in most situations:
Sufficient soil depth for adequate root growth and water retention;Good internal drainage, allowing sufficient aeration for optimal root growth (although some plants, such as rice, tolerate waterlogging);Topsoil with sufficient soil organic matter for healthy soil structure andsoil moisture retention;Soil pH in the range 5.5 to 7.0 (suitable for most plants but some prefer or tolerate more acid or alkaline conditions);Adequate concentrations of essential plant nutrients in plant-available forms;Presence of a range of microorganisms that support plant growth.
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