R

rainwater harvesting: The collection and storage of rainwater for agricultural use. Rainwater harvesting helps farmers manage water resources and reduce dependence on external water supplies.

rennet: An extract from the stomach of a calf; it contains the enzyme rennin, which clots milk. It is used in the production of certain milk products such as cheese. Using rennet allows farmers to produce high-quality dairy products, enhancing farm income.

rhizomania: A notifiable virus disease affecting sugar beet, in which hairs grow on the roots and the leaves turn yellow. Managing rhizomania is essential for maintaining healthy sugar beet crops and maximizing yields.

red clover: A short-lived deep-rooting species of clover (Trifolium pratense). Red clover improves soil fertility through nitrogen fixation and provides nutritious forage for livestock.

rickets: A disease of young animals due to deficiency of Vitamin D. Bones fail to ossify and joints become swollen. Preventing rickets ensures healthy growth and development in livestock.

retinol: A vitamin that is soluble in fat and can be formed in the body but is mainly found in food such as liver, vegetables, eggs, and cod liver oil. Also called vitamin A. Ensuring adequate retinol intake supports livestock health and growth.

ring bone: A growth of bony tissue in the joints of a horse’s foot. Managing ring bone is crucial for maintaining horse health and performance.

rooster: A cock, a male domestic fowl (especially US). Raising roosters is essential for breeding programs and ensuring flock health.

Royal Horticultural Society: A national society which organizes the Chelsea Flower Show and has permanent gardens at Wisley in Surrey. Abbreviation: RHS. The RHS provides resources and support for farmers and gardeners, promoting best practices in horticulture.

rough stalked meadow grass: A type of grass, highly palatable but low in production compared to ryegrass; common in lowland pastures on rich moist soils. When found in cereal crops it is treated as a weed. Managing rough stalked meadow grass supports pasture health and productivity.