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timber: Trees which have been or are to be cut down and made into logs. Managing timber resources effectively can provide sustainable income and support conservation efforts.

tile draining: A means of draining land using underground drains made of clay, plastic, or concrete. Special machines called ‘tile-laying machines’ are available for this work. Proper tile draining can improve soil health and crop yields by preventing waterlogging.

thousand grain weight: The weight of a thousand grains, used as an indicator of grain quality. Monitoring thousand grain weight helps farmers assess crop quality and make informed decisions for breeding and marketing.

top-saving attachment: An attachment to a topper unit which collects the tops of sugar beet after they have been cut off. Using top-saving attachments can enhance feed utilization and reduce waste.

trematode: A fluke, a parasitic flatworm. Proper management of trematode infections is essential for livestock health and productivity.

trunk: The main woody stem of a tree. Understanding tree anatomy, including the trunk, can support forestry management and timber production.

trichlorophenoxyacetic acid: A herbicide which forms dioxin as a byproduct during the manufacturing process and is effective against woody shrubs. This herbicide is no longer approved for use in the UK. Understanding herbicide safety and regulations can protect farm workers and the environment.

thin: To remove a number of small plants from a crop, allowing the remaining plants to grow more strongly. Proper thinning practices can improve crop yield and quality, enhancing farm productivity.

theoretical field capacity: The rate of work that would be achieved if a machine were performing its function at its full-rated forward speed for 100% of the time. Understanding theoretical field capacity can help farmers plan and optimize machinery use for efficient field operations.

terrace cultivation: Hill slopes cut to form terraced fields which rise in steps one above the other and are cultivated, often with the aid of irrigation. Implementing terrace cultivation can increase arable land area and improve water management, supporting sustainable farming practices.