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hawthorn: A small tree (Crataegus monogyna) with spiny shoots, used for hedges around grazing areas. Planting hawthorn hedges can provide natural barriers, improve biodiversity, and offer forage for wildlife.

hydroelectric power: The electricity produced by using a flow of water to drive turbines. Also called hydropower. Utilizing hydroelectric power provides a renewable energy source for farm operations.

hatchery waste: Surplus chicks or embryos produced in a hatchery. Proper management of hatchery waste ensures compliance with animal welfare standards and reduces environmental impact.

hay baler: A machine which gathers cut hay and makes it into bales. Using a hay baler increases efficiency in haymaking, saving time and labor while producing consistent bales.

husk: The dry outer covering of cereal grains, which has little food value, and which is removed during threshing. Properly managing husks ensures efficient processing and use of cereal grains.

hackles: The long feathers on the neck of a domestic cock. Understanding poultry anatomy, such as hackles, helps in the breeding and care of chickens for improved egg and meat production.

herdsperson: A farm worker who looks after a herd of livestock. Herdspersons play a crucial role in daily livestock management and welfare.

herbage mass: The weight of herbage produced in a specified area. Measuring herbage mass helps farmers assess pasture productivity and plan grazing rotations.

herbaceous: Referring to plants with soft non-woody tissue that die down above ground to survive through the winter. Understanding herbaceous plants helps farmers select appropriate species for seasonal growth and landscaping.

host: A plant or animal on which a parasite lives. Managing host species effectively prevents parasite infestations and supports farm health.