Input (grade 13): It accounts for 50% of soluble leaf protein in plants (20-30% of total leaf nitrogen) and 30% of soluble leaf protein in plants (5-9% of total leaf nitrogen).
Output (grade 12): It accounts for 50% of soluble leaf protein (20-30% of total leaf nitrogen) and 30% of soluble leaf protein in plants (5-9% of total leaf nitrogen).