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allelopathy: The release by one plant of a chemical substance that restricts the germination or growth of another plant. Managing allelopathic interactions helps farmers optimize crop rotations and soil health.

absorption: The process of taking in water, dissolved minerals, and other nutrients across cell membranes. Effective absorption is crucial for the healthy growth of crops.

addled egg: A rotten egg, an egg which produces no chick. Identifying addled eggs helps farmers manage their poultry flocks effectively.

agrochemicals: Pesticides and fertilizers developed for agricultural use. Proper use of agrochemicals is essential for farmers to manage pests, diseases, and soil fertility.

Agricultural Revolution: The changes in agriculture which transformed Britain’s countryside in the 18th and 19th centuries. Knowledge of the Agricultural Revolution helps farmers appreciate historical developments and innovations in agriculture.

adsorb: To bond with a gas or vapor which touches its surface. Understanding adsorption processes helps farmers in managing soil and crop health.

angiosperm: A plant in which the sex organs are carried within flowers and seeds are enclosed in a fruit. Compare gymnosperm. Understanding angiosperms helps farmers manage crop breeding and production.

afterbirth: The remains of the placenta pushed out of the uterus of the dam at the birth of a young animal. Also called cleansing. Proper management of afterbirth is important for the health of the dam and newborn in livestock farming.

allopatric: Referring to plants of the same species which grow in different parts of the world and so do not cross-breed. Understanding allopatric species helps farmers manage biodiversity and breeding programs.

agriculture: The cultivation of land, including horticulture, fruit growing, crop and seed growing, dairy farming, and livestock breeding. Understanding the various aspects of agriculture helps farmers manage their operations effectively and sustainably.