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Irrigation Dictionary : Table of Contents (members login required)\t
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Term No.Term NameTerm Description
6762Fen Low‑lying land partly covered with water. A marsh or bog with alkaline mucky or non‑peaty soil......
3651FenderA protective cover or device fitted in the lock walls or attached to the vessels themselves to prevent damage to the lock walls and the craft as the r.....
3653Fender pile, or Fender postA pile or series of piles to guide the vessels, as provided in front of offtake regulators in an irrigation-cum-navigation canal, for protection again.....
3819Fender, Guide post, or Guide railTimber, stone, or metal posts or fences designed to attract attention to the presence of a bridge or culvert and to assist in the safe passage of traf.....
1500Fending groyne, or BankheadGroyne which fends the current of flow of water and prevents erosion. Denehy`s groyne is an example of this type (illustrated)......
4734FertigationApplication of fertilizers by introducing them into irrigation water before applying it to field......
1972FertilityThe ability of soil to aid plant growth, including the supply of nutrients in desirable proportions and amounts......
2187FertilizationThe process of adding plant food to the soil, for the purpose of plant growth......
4865Fertilizator in shuntA fertilizer injection apparatus shunted on either side of a valve or restriction that causes head loss on the main pipe. The flow diverted upstream o.....
4866Fertilizator with liquid fertilizer pocketAn apparatus, similar in principle to that of the fertilizator in shunt, but the diverted flow collects in the fertilizator by compressing the liquid .....
7623Fertilizer Any organic or inorganic material of natural or synthetic origin that is added to a soil to supply elements essential to plant growth......
2196Fertilizer ratioThe ratio of nitrogen, phosphoric anhydride and potash in a fertilizer. The ratio is expressed in whole numbers, such as 1-2-1, 1-3-2......
2073Fetch1 - The area in which waves are generated by a wind having a rather constant direction and spread. Sometimes used synonymously with `fetch length`. Al.....
2417Fetch1 - The horizontal distance over which the wind can act on a body of water. It is generally defined as the maximum distance from the windward shore to.....
4941Fetch1 - The distance the air travels over similar vegetation and soil water conditions upwind (in the prevailing wind direction) from the site in question.....
8460FetchThe command to obtain an instruction from a stored program......
5654Fibre reinforced concreteConcrete with added fibres of steel (carbon and stainless) glass (alkali - resistant) or polypropylene to improve engineering properties such as fract.....
2091Fibrous peatPeat formed from sedges of various kinds, mosses, reeds and other grasses, cattails and their mixtures. Hence the names moss peat, sedge peat, reed pe.....
8461FieldA set of one or more characters (not necessarily all lying on the same word) that is treated as a whole......
5012Field application efficiencyThe ratio of irrigation water available, to the crop to water received at the field inlet. .....
1816Field capacity1 - The amount of water expressed as a percentage of the oven-dry soil, held in a soil after the excess of gravitational water has drained away, and a.....
5249Field capacity, Field moisture capacity, Normal field capacity, Normal capacity, Capillary capacity, Maximum field carrying capacity, Field capillary (moisture) capacity, Effective water holding capacityThe amount of water, expressed as a percentage of the oven-dry soil, held in a soil when excess gravitational water has drained away, and the rate of .....
1097Field capacity, Normal field capacity, Normal moisture capacity, Maximum field carrying capacity, Field capillary (moisture) capacity, Effective water-holding capacity, Specific retention1 - The amount of water held in the soil after the excess gravitational water has drained away and after the rate of downward movement of water has ma.....
1095Field coefficient of permeabilityCoefficient of permeability at the prevailing temperature of water......
3295Field commandThe difference in water level, in a watercourse or lateral and the level of the highest point of plot of land irrigated......
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