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selective herbicide: A weedkiller which is designed to kill only plants with specific characteristics and not others. Farmers benefit from using selective herbicides to control weeds without harming crops.

spore: the microscopic reproductive body of fungi, bacteria, and some non-flowering plants such as ferns. COMMENT: Spores are produced by plants such as ferns or by algae and fungi. They are microscopic and float in the air or water until they find a resting place where they can germinate. Managing spores helps farmers prevent disease outbreaks and ensure healthy crop growth, supporting productivity and quality.

scraper: A steel-framed attachment for a tractor. It has a rubber scraping edge, and is used for heavy duty work, clearing slurry from farmyards. Farmers benefit from using scrapers to maintain clean and hygienic farmyards.

short-grain rice: Varieties of rice with short grains, grown in cooler climates such as Japan. Farmers benefit from growing short-grain rice for its market demand and suitability to specific climates.

set-aside: A piece of formerly arable land used for something other than growing food crops. Farmers benefit from setting aside land for conservation and sustainable land management.

straight: an animal foodstuff composed of one type of food. Properly managing straight feed ensures specific nutritional needs of livestock are met, supporting health and productivity.

sclerotic: Referring to the hardening and thickening process in plant cell walls that makes stems woody. Farmers benefit from understanding sclerotic changes to manage crop quality and growth.

share: Same as ploughshare. Farmers benefit from using shares for efficient and precise ploughing.

separated milk: Milk from which the cream has been removed. Also called skimmed milk. Farmers benefit from producing separated milk for its dietary uses and market demand.

semen: In mammals, a thick pale fluid containing spermatozoa, produced by the testes and ejaculated from the penis. Farmers benefit from understanding semen composition and quality for effective breeding and livestock management.