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Waste Water Microbiology

2, 4, 5- T - An abbreviation for 2,4, 5-trichlor phenoxyacetic acid, the active ingredient in herbicide products used in forestry and other applications to control woody weeds such as brambles. All products containing 2, 4, 5- T must be used strictly in accordance with recommended precautions.

Tabanid - A fly of the genus Tabanus.

Table Birds - Poultry reared for their meat as distinct from for egg production.

Tack - 1. Pasture rented for grazing livestock. 2. Harness equipment.

Tail Corn - Small, undersized or very light grains of com in a sample. Also called tailings.

Tailpiece - An extension sometimes attached to the rear end of a mouldboard. It can be set to push the turning furrow further over.

Take - 1. The taking possession of buildings and land by a farmer when the assumes a tenancy. Also called entry. 2. A crop which germinates or a successful graft are said to take.

Take-all - A disease of cereals due to a soil-borne fungus (Gaumannomyces graminis) which infects the roots and stem base, causing dicoloration, stunted growth, preij1ature ripening and the production of bleached ears containing little or no grain. One strain of the disease affects only wheat and barley, whilst another also affects oats but is mainly confined to the wetter areas in the North and West. Control is by rotation. Also called whiteheads.

Tank Mixing - A relative new practice of mixing crop-protection chemicals (and also liquid fertilizers, adjuvant oils, trace elements and foliar feeds) before spraying on field crops, particularly cereals. The benefits include savings in time, labour, water and fuel, reduced wear and tear on machinery and less crop damage through wheelings. Manufacturers recommended mixes are cleared and approved under the pesticides safety precautions scheme and the Agricultural Chemicals Approvals Scheme.

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