Definition: The quotient of the dry weight of the shoots produced during a given growth period divided by the dry weight of the roots esp. for crop plants.

Definition: The quotient of the dry weight of the shoots produced during a given growth period divided by the dry weight of the roots esp. for crop plants.

Definition: The quotient of the dry weight of the shoots produced during a given growth period divided by the dry weight of the roots esp. for crop plants.

Definition: The quotient of the dry weight of the shoots produced during a given growth period divided by the dry weight of the roots esp. for crop plants.

Definition: The quotient of the dry weight of the shoots produced during a given growth period divided by the dry weight of the roots esp. for crop plants.

Definition: The quotient of the dry weight of the shoots produced during a given growth period divided by the dry weight of the roots esp. for crop plants.

Definition: The quotient of the dry weight of the shoots produced during a given growth period divided by the dry weight of the roots esp. for crop plants.

Definition: The quotient of the dry weight of the shoots produced during a given growth period divided by the dry weight of the roots esp. for crop plants.

Definition: The quotient of the dry weight of the shoots produced during a given growth period divided by the dry weight of the roots esp. for crop plants.

Definition: The quotient of the dry weight of the shoots produced during a given growth period divided by the dry weight of the roots esp. for crop plants.

Definition: The quotient of the dry weight of the shoots produced during a given growth period divided by the dry weight of the roots esp. for crop plants.

Definition: The quotient of the dry weight of the shoots produced during a given growth period divided by the dry weight of the roots esp. for crop plants.

Definition: The quotient of the dry weight of the shoots produced during a given growth period divided by the dry weight of the roots esp. for crop plants.

Definition: The quotient of the dry weight of the shoots produced during a given growth period divided by the dry weight of the roots esp. for crop plants.

Definition: The quotient of the dry weight of the shoots produced during a given growth period divided by the dry weight of the roots esp. for crop plants.

Definition: The quotient of the dry weight of the shoots produced during a given growth period divided by the dry weight of the roots esp. for crop plants.

Definition: The quotient of the dry weight of the shoots produced during a given growth period divided by the dry weight of the roots esp. for crop plants.

Definition: The quotient of the dry weight of the shoots produced during a given growth period divided by the dry weight of the roots esp. for crop plants.

Definition: The quotient of the dry weight of the shoots produced during a given growth period divided by the dry weight of the roots esp. for crop plants.

Definition: The quotient of the dry weight of the shoots produced during a given growth period divided by the dry weight of the roots esp. for crop plants.