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International Certified Crop Adviser- Nutrient Management Terms With 100% Correct Answers 2024. 127 Terms. CA$16.54   Add to cart
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International Certified Crop Adviser- Nutrient Management Terms With 100% Correct Answers 2024. 127 Terms.
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International Certified Crop Adviser- Nutrient Management Terms With 100% Correct Answers 2024. 127 Terms.

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  • March 23, 2024
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  • 2023/2024
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International Certified Crop Adviser- Nutrient
Management Terms With 100% Correct Answers
2024. 127 Terms.
Acid Soil

A soil that has a pH value less than 7.0

Aerobic

A condition identified by the presence of oxygen

Agronomic nutrient rate

Amount of supplemental nutrient required by a crop for a realistic yield goal (yield potential), after all
the soil, water, plant, and air credits are considered. Agronomic rates consider nutrient credits from all
soil tests, legumes, manure residuals, and any other nutrient source

Alkaline soil

A soil that has a pH value greater than 7.0

Alum

A potassium aluminum sulfate or ammonium aluminum sulfate

Ammonium (NH4+)

A form of nitrogen that is available to plants and is derived from fertilizer addition and soil organic
matter mineralization

Ammonium nitrate solution

Non-pressure solution of ammonium nitrate in water usually standardized to 20% nitrogen used for
direct application or for making multinutrient liquid fertilizer. Analysis is 20-0-0

Ammonium phosphates

A group of phosphorus fertilizers manufactured by the reaction of anhydrous ammonia with
superphosphoric acid to produce either solid or liquid fertilizers

Ammonium sulfate

Fertilizer material with an analysis of 21-0-0. Also contains 24% sulfur

Anaerobic

A condition identified by the absence of oxygen

Anhydrous ammonia (NH3)

, Fertilizer in pressurized gas form, made by reacting nitrogen in air with hydrogen gas (H2) under high
temperature and pressure in the presence of a catalyst. The analysis is 82-0-0

Animal unit

1,000 pounds of live animal weight; a term used to determine volumes of animal manure produced

Anion

An ion with a negative charge. Common soil anions are chloride, nitrate, sulfate and bicarbonate

Anion exchange capacity

The sum total of exchangeable anions that a soil can adsorb at a specific pH. Expressed as centimoles of
charge per kilogram (cmolc/kg) of soil or milliequivalents per 100 g of soil (meq/100 g of soil)

Application rate

The weight or volume of a fertilizer, soil amendment, or pesticide applied per unit area

Aqua ammonia

A 20% N solution made by dissolving anhydrous ammonia in water.

Available nutrient

A nutrient in a form that a plant can absorb.

Banded nutrients

Placing solid granular or liquid fertilizer in a band on the soil surface or ejected below the soil surface
before, at, or after planting

Base saturation percentage

The proportion of the soil's cation exchange capacity occupied by basic cations (sodium, potassium,
magnesium and calcium).

Bioremediation

The use of biological agents to remove substances hazardous to human health or the environment from
contaminated soil or water

Biosolid

Any organic material, such as livestock manure, compost, sewage sludge, or yard wastes applied to the
soil to add nutrients or for soil improvement

Buildup and maintenance

Nutrients applied in order to build up a target soil test level and then maintained by annual addition of
the quantity of nutrients expected to be removed in the harvested portion of the crop.

Buffer pH

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