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acid: A chemical compound containing hydrogen which dissolves in water and forms hydrogen ions, or reacts with an alkali to form a salt and water, and turns litmus paper red. Knowledge of acid properties is important for farmers in soil management and crop nutrition.

alternative technology: The use of traditional techniques and equipment and materials that are available locally for agriculture, manufacturing, and other processes. Adopting alternative technologies helps farmers improve sustainability and reduce costs.

American bison: Same as bison. Raising American bison provides farmers with valuable livestock for meat and conservation purposes.

agroclimatology: The study of climate and its effect on agriculture. Understanding agroclimatology helps farmers make informed decisions about crop planning and management based on climatic conditions.

AEB: Association for the Protection of Rural Scotland. Abbr APRS. Farmers in Scotland can benefit from APRS resources and advocacy for rural and environmental protection.

Agricultural Land Tribunal: A court established in 1947 to hear appeals against decisions affecting owners or tenants of agricultural land. Farmers can appeal to the Agricultural Land Tribunal to resolve disputes and protect their rights.

aldrin: An organochlorine insecticide that is banned in the European Union. Farmers need to be aware of banned substances like aldrin to comply with regulations and ensure safe farming practices.

accredited milk: Milk from a herd accredited as being free from Brucellosis. Accredited milk assures consumers of its safety and quality, benefiting dairy farmers.

allogamy: Fertilization by pollen from different flowers or from flowers of genetically different plants of the same species. Understanding allogamy helps farmers manage pollination and improve crop yields.

age: The number of years during which a person or thing has existed. The size varies according to age. Farmers need to know the age of their livestock to manage breeding and productivity effectively.