Agronomy knowledge

Agronomist dictionary

Short and clear definitions of agronomic terms: soil cultivation, sowing, nutrition, plant protection, machinery, and crop storage.

Terms in section: 55

A

Machinery and irrigation

Agro-navigator

A GPS-based guidance system for agricultural machinery designed to ensure precise field operations with minimal overlap and skipped areas.

Machinery and irrigation

Air-induction nozzle

A spray nozzle type that utilizes the Venturi effect to draw air into the nozzle, creating larger, air-filled droplets that are highly resistant to wind drift.

Machinery and irrigation

Application rate per hectare

The volume of spray solution applied to one hectare of land during crop protection or fertilization operations.

B

Machinery and irrigation

Boom height

The vertical distance measured from the spray nozzles to the target surface, such as the soil or the crop canopy.

C

Machinery and irrigation

Center pivot irrigation system

An automated irrigation equipment that rotates around a central pivot point to supply water to crops across a circular field.

Machinery and irrigation

Coulter

A ground-engaging component of a seed drill or planter designed to open a furrow in the soil for seed placement and subsequent covering.

Machinery and irrigation

Crop clearance

The vertical distance between the lowest point of an agricultural machine's frame and the ground, determining its ability to move over crops without causing dam...

Machinery and irrigation

Cultipacker

An agricultural implement used to firm the soil surface, break up clods, and ensure better seed-to-soil contact for improved germination.

D

Machinery and irrigation

Drip tape

A thin-walled flexible tube with embedded emitters designed to deliver water and nutrients directly to the root zone of plants.

E

Machinery and irrigation

Emitter

An emitter is a device used in drip irrigation systems that regulates and delivers water or nutrient solutions to plants at a controlled, specific rate.

Machinery and irrigation

Equipment pitch

Equipment pitch is the longitudinal tilt of an agricultural implement relative to the soil surface, affecting the uniformity of soil engagement.

F

Machinery and irrigation

Filtration station

A set of equipment designed to remove mechanical impurities, sand, organic matter, and chemical sediments from irrigation water before it enters the drip irriga...

H

Machinery and irrigation

Hectare meter

A technical device or software module designed to automatically measure the field area actually covered by agricultural machinery during field operations.

I

Machinery and irrigation

Irrigation controller

An electronic device used to automatically control the operation of irrigation systems based on a set schedule or environmental sensor feedback.

Machinery and irrigation

Irrigation intensity

This is the rate at which water is applied to a specific area of land over a set period of time.

Machinery and irrigation

Irrigation sprinkler system

A technical device used for artificial irrigation of crops by spraying water, simulating natural rainfall.

Machinery and irrigation

Irrigation system pressure

The physical force of water flowing through the system that ensures its consistent distribution through sprinklers or emitters to the crop.

L

Machinery and irrigation

Linear move irrigation system

Agricultural irrigation equipment designed for rectangular fields that moves linearly across the area, drawing water from an open ditch or a flexible hose.

Machinery and irrigation

Liquid flow sensor

A technical device designed to measure the volume or velocity of liquid moving through the supply system of agricultural machinery.

Machinery and irrigation

Low-pressure tires

These are specialized agricultural tires with a large footprint designed to reduce soil compaction and prevent heavy machinery from sinking into the ground.

M

Machinery and irrigation

Multicontroller

A centralized electronic control unit that integrates the operation of various agricultural machinery components into a single interface.

N

Machinery and irrigation

Nozzle

A replaceable component of a sprayer designed to atomize liquid into droplets of a specific size and create a spray pattern for uniform pesticide or fertilizer...

Machinery and irrigation

Nozzle

A mechanical device used in sprayers to atomize liquid into droplets and distribute it evenly over a target area.

Machinery and irrigation

Nozzle

A nozzle is a precision-engineered tip attached to a sprayer that regulates the flow of liquid and breaks it into droplets of a specific size and pattern.

Machinery and irrigation

Nozzle working pressure

The pressure at which the liquid is forced through the nozzle, determining droplet size, spray pattern, and flow rate.

P

Machinery and irrigation

Parallel guidance system

A satellite-based navigation technology that assists machinery operators in driving agricultural equipment along precise paths to avoid overlaps and skips.

Machinery and irrigation

Pneumatic seeding system

A technology for delivering seeds to the furrow openers using a directed stream of compressed air.

Machinery and irrigation

Precipitation uniformity

A metric describing the degree of spatial consistency of rainfall across a field throughout the growing season.

Machinery and irrigation

Prescription map

A digital file that provides instructions to agricultural equipment to automatically adjust application rates for seeds, fertilizers, or chemicals across a fiel...

Machinery and irrigation

Pressure compensation (in drip irrigation)

A technology that maintains a constant water flow rate from each emitter regardless of pressure fluctuations or elevation changes across the field.

R

Machinery and irrigation

Row spacing

The distance between adjacent rows of plants in a field or crop plantation.

Machinery and irrigation

RTK Base Station

A terrestrial receiver that transmits corrections to agricultural machinery to enable centimeter-level accuracy for satellite navigation systems.

S

Machinery and irrigation

Section control

A technology that automatically switches off individual sections of agricultural equipment when passing over areas that have already been treated.

Machinery and irrigation

Section control system

A precision farming technology that automatically switches off individual sprayer or planter sections when crossing previously treated areas of a field.

Machinery and irrigation

Seed monitoring system

An electronic system equipped with sensors that monitors seed flow through planter tubes to ensure consistent seed placement during field operations.

Machinery and irrigation

Seeding complex

A seeding complex is a high-capacity agricultural implement that combines soil preparation, fertilizer application, and seed placement in a single pass.

Machinery and irrigation

Seeding complex frame

The seeding complex frame is the primary structural chassis designed to support and align all working tools, distribution systems, and hoppers during field oper...

Machinery and irrigation

Seeding unit

A seeding unit is a working assembly of a planter or air seeder designed to open a furrow, place seeds at a precise depth, and cover them with soil.

Machinery and irrigation

Self-propelled sprayer

A specialized agricultural vehicle equipped with its own engine and chassis, designed for efficient application of liquid fertilizers and crop protection produc...

Machinery and irrigation

Solenoid valve

An electromechanically operated device used to automatically control the flow of water in irrigation systems via an electrical signal.

Machinery and irrigation

Spray angle

The geometric angle of the spray pattern emitted by a nozzle, which determines the width of the spray coverage on the target area.

Machinery and irrigation

Spray drift

The physical movement of pesticide droplets through the air at the time of application to any site other than the intended area.

Machinery and irrigation

Spray volume

This is the total volume of product diluted in water or another solvent applied per unit area of the treated field.

Machinery and irrigation

Sprayer boom

A sprayer boom is a horizontal structure mounted on a sprayer that holds nozzles to evenly distribute liquid chemicals over a field crop.

Machinery and irrigation

Sprayer boom

A horizontal frame mounted on a sprayer, equipped with nozzles to distribute liquid pesticides or fertilizers evenly across the crop area.

Machinery and irrigation

Sprayer calibration

The process of adjusting a field sprayer to ensure the precise application of a specific rate of pesticides or fertilizers per unit area.

Machinery and irrigation

Sprayer section

A sprayer section is an independent part of the spray boom equipped with nozzles that can be switched on or off separately from the rest of the system.

Machinery and irrigation

Sprinkler

A sprinkler is a device used in irrigation systems to spray water over crops, simulating natural rainfall for efficient plant hydration.

Machinery and irrigation

Surface irrigation

A method of watering crops where water is applied directly to the soil surface and spreads across the field by gravity.

T

Machinery and irrigation

Trailed sprayer

An agricultural machine for applying pesticides and liquid fertilizers that is towed by a tractor and moves on its own wheels.

Machinery and irrigation

Twin fan nozzle

A type of sprayer nozzle that produces two independent spray fans at different angles to provide superior coverage of the crop canopy.

V

Machinery and irrigation

Vacuum metering system

A planter mechanism that uses air pressure differential to hold seeds onto a rotating disc for precise, singulated placement in the furrow.

Machinery and irrigation

Variable Rate Application (VRA)

A precision farming technique that automatically adjusts the amount of fertilizer applied across a field based on site-specific soil and crop needs.

W

Machinery and irrigation

Water pump

A portable device powered by an internal combustion engine, designed for moving large volumes of water for irrigation or drainage purposes.

Machinery and irrigation

Working width

Working width is the physical distance or strip of land that an agricultural implement covers in a single pass across the field.