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What is the usual range of soil organic matter content in agricultural topsoil?
What is the usual range of soil organic matter content in agricultural topsoil?
Which component of soil organic matter is constantly undergoing chemical, physical, or biological change and is unstable?
Which component of soil organic matter is constantly undergoing chemical, physical, or biological change and is unstable?
What percentage of soil organic matter can be recognized as plant residue?
What percentage of soil organic matter can be recognized as plant residue?
Which type of organic matter can be replenished by inputs of organic material to the soil?
Which type of organic matter can be replenished by inputs of organic material to the soil?
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What encompasses all organic components of a soil?
What encompasses all organic components of a soil?
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What is the percentage range of fresh residue in soil organic matter?
What is the percentage range of fresh residue in soil organic matter?
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Which component of soil organic matter is constantly undergoing change and is unstable?
Which component of soil organic matter is constantly undergoing change and is unstable?
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What percentage of soil organic matter can be recognized as plant residue?
What percentage of soil organic matter can be recognized as plant residue?
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What is the usual range of soil organic matter content in agricultural topsoil?
What is the usual range of soil organic matter content in agricultural topsoil?
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What encompasses all organic components of a soil?
What encompasses all organic components of a soil?
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