What Is Loam Topsoil?
Topsoil is the outermost layer of soil. It contains organic matter and serves as a nutrient reservoir for plants. There are three types of soils: clay, silt, and sand. A combination of the three produce a soil called "loam." Gardeners recommend loam topsoil for most plants. Does this Spark an idea?
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Description
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Loam topsoil consists of a mixture of sand, silt, clay and organic matter. The particle size of each soil type correlates with how well the soil holds water and with how much air can penetrate the soil. Loam topsoil consists of a mixture of particle sizes in roughly the same percentage.
Features
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Loam topsoil is a well-draining soil. It absorbs water and then releases it gradually.
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Function
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Loam topsoil supplies nutrients and water to the plants efficiently by reducing leaching and improving aeration within the soil.
Application
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Loam topsoil is used to grow colorful garden flowers and bushy shrubs. Loam is also used in vegetable gardens.
Considerations
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The composition of loam topsoil can be changed to fit specific growing needs. For example, if more aeration is needed, add a higher percentage of sand to the loam mixture. Purdue University Extension Consumer Horticulture Specialist Rosie Learner advises that when adding sand, include some organic matter, so you are not decreasing the nutrients in your soil.
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