Definition & Composition: Molecular Structure Matters
Core Composition: Contains free-form amino acids (individual molecules) that plants can absorb directly without decomposition.
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Production Technology: Extracted via enzymatic hydrolysis or fermentation to preserve bioactivity, often combined with chelated trace elements for enhanced nutrient uptake. |
Broad Composition: Includes free amino acids, oligopeptides (2-10 amino acid chains), and polypeptides (11-50 chains). Larger chains require enzymatic breakdown before absorption.
Functional Benefits: Polypeptides act as biostimulants to improve stress resistance, though absorption is slower.
Absorption Efficiency: Speed vs. Energy Cost
Free Amino Acids: Rapidly enter plant cells via osmosis or carrier proteins, requiring zero energy expenditure. Ideal for quick nitrogen supplementation during stress (drought, frost).
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Amino Acids: Oligopeptides match free amino acids in absorption speed, but polypeptides need enzymatic conversion, delaying nutrient availability. |
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Post time: May-16-2025
