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Term

Macronutrients
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Micronutrients
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Soil

Soil management

TermDefinition
Macronutrients Used in large quantities by plants
Micronutrients Used in small quantities by plants
Lodging cereal crops bending over so lie almost flat on the ground. Difficult to harvest and reduces yield
Soil testing Allows farmers to determine the nutrients available on their land
Fertiliser an inorganic, manufactured material that may contain one or more of the essential elements required for crop growth
Manure an organic material that consists of the wastes of plants and animals
Straight (simple) fertiliser Contains only one of the essential elements
Compound fertiliser Any fertiliser that contains two or more elements.
Volatilisation A process in which the ammonium ions produced are converted to ammonia gas, which is then lost to the atmosphere
Anaerobic Describes respiration in absence of oxygen
Agitation Rapid stirring of liquid
Poaching Damage caused to wet or waterlogged land where land is cut up by livestock movement on wet soils. It causes surface vegetation to be removed and soil to be washed away. Soil may also be compacted.
Outfall the point where a drain empties into a river, lake or sea
Mole plough creates cylindrical channels in the soil which increase the drainage ability of a soil with low permeability.
Eutrophication the artificial enrichment of a habitat or environment with nutrients
Biochemical oxygen demand (BOD) The amount of dissolved oxygen needed to break down organic material in a water sample
Effluent discharge of liquid waste from a substance or run-off from land
Buffer Zone land beside a waterway that controls and prevents pollution of the waterway. Helps maintain water quality
Created by: ac1410
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