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What is loam and why is it considered to be the best topsoil for growing plants?

Loam is a type of soil composed of sand, silt and clay in somewhat equal proportions. Due to the variations in these individual components loam soil can be further divided as sandy loam, silty loam, clay loam, sandy clay loam and silty clay loam. Loam soil is considered best topsoil for growing plants as it has better infiltration of water and air than silty soil, contains more nutrients and humus (required for plant growth) than sandy soils and are better and easily tilled than clay soils.
 

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Loam soil composed of a mixture of sand, clay, silt, and organic matter.Loamisgood for growing plantsbecause there are a lot of minerals.hThere is decay inloam.That helpsplants growtoo.

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Loam is a mixture of clay,humus,sand,slit and other organic matters.

It is good for the growth of plants because:-

1.It contains humus,providing fertility to the plants

2.Holds sufficient water due to the presence of small particles.

3.Contains enough air due to the presence of some large particles.

4.Contains lot of minerals.

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