achene
Achene: A small, dry, one-seeded fruit that does not split open at maturity.
Glossary Category:
Acid Deposition
Acid Deposition: The process by which acids are deposited on the earth’s surface, typically as a result of the burning of fossil fuels.
Acid Equivalent (a.e.)
Acid Equivalent (a.e.): A measure of the acidity of a substance, expressed as the equivalent amount of hydrochloric acid.
Action Levels
Action Levels:In Australia, action levels are set by the National Health and Medical Research Council (NHMRC) for a range of substances that may be present in food. These action levels represent the maximum level of a substance that is considered to be safe for human consumption.
action threshold
Action threshold: The point at which pest populations or damage levels reach a level that justifies taking action to control the pests. Action thresholds vary according to the crop, pest and grower preferences, and are often specific to a particular production system.
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