based-soil-compaction-recorder

(CQUS-750 SERIES)

An ISO 9001:2208 | ISO 14001:2008 | ISO 13485WHO:GMP Products | GLP Compliant Products

Soil compaction refers to the

formation of dense layers of

well packed soil, often at the

bottom of the cultivated layer.

The most common causes of

soil compaction are tractors,

harvesting equipment and

implement wheels travelling

over moist, loose soils. Soils

tend to be more compacted

deeper into the soil profile due

to the weight of overlaying soil

above.

Soil Compaction

Soil C

ompaction

ACMAS TECHNOCRACY PVT. LTD.www.measuring-meters.com | www.acmasindia.com | www.scientificlaboratoryequipments.com

• load• ground contact pressure (same as inflation pressure)• wheel slip• tyre dimensions and construction• forward speed• the number of passes (90% of compaction occurs

on the first pass).

Soi

l Com

pact

ion


less soil water and is harder for

roots to penetrate. In their virgin

state soils can be productive and

characterized by excellent physical

condition. They allow rapid

movement of air and water through

the soil, providing an ideal

environment for maximum root

growth and high yields. However,

soils are fragile and easily

restructured, especially during

cropping. Compaction is an

example of this restructuring. If

compacted badly enough, a soil

does not provide adequate space

for root growth and soil animal

activity, or allow for rapid

Tractor power and weight have

increased 60 - 80% since the mid-

sixties, while the tyre area in contact

with the soil has only increased on

average 20%. This means that

compaction is occurring deeper in

the profile, and is therefore

becoming more difficult to repair

once it occurs.

Compacted soil has smaller soil

pores, less pore continuity and

greater strength. This makes the soil

less suitable for growing crops. The

soil has fewer spaces that contain

air and water needed for plant

growth, is less permeable, can store

Compaction from tyres is related to

Effects of Soil Compaction on Plant Growth


movement of air and water. In severe cases, roots are unable to penetrate into deeper soil

layers, tending to grow along the top of the pan.

The best way for water and air to move through the soils is in large pores created by

decaying plant roots or soil insects and earthworms. External pressures, such as from tyres

or tillage tools, cause the large pores to collapse to form smaller pores that are less

efficient conductors of air or water. The result is slower water infiltration, poor drainage or

poorly aerated soils that limit root growth and nutrient uptake needed for maximum

yields. However, some soil consolidation or "firmness" is beneficial. In very loose,

uncompacted soils we could not be able to drive over a paddock pulling an implement

without becoming bogged. Firming the soil around the seed (also a form of compaction) is

necessary for creating good seed-soil contact at planting. This is why press-wheels are

important for ensuring even crop emergence. Some crops, like barley, actually seem to

prefer strong seed-soil contact and a more densely packed root zone than a very loose

one. However, compaction must not be allowed to become excessive and should be

minimised in the plant root zone.

Effects of Soil Compaction on Plant Growth

In some years compacted soil will affect

yields, while in others it will have no

impact. In seasons when there is steady

rainfall that occurs throughout the season

and the optimum number of plants is

established, compaction will tend not to

influence yields. In other seasons,

compaction can limit yields though

reducing the soil's ability to store soil

moisture or to make available stored moisture during extended dry periods.

Compaction can actually increase yields in

some years, by slowing the rate of crop

growth and exploitation of stored soil

moisture until follow up rain occurs. This

means better use can be made of late

season rainfall - particularly if the rain

coincides with flowering or grain-fill.

However, the situations when this occurs

are rare.In the long-term, if compaction leads to

higher rates of soil erosion than would

normally occur without compaction, it will

eventually decrease the potential yield of a

paddock. Similarly, if compaction becomes

severe enough to greatly restrict root

activity, the number of seasons in which

crops will perform well will rapidly

decrease and the paddock becomes more

drought prone.

Importance of Compaction Detection And Soil Analysis



We understand the importance and significance of

the soil compaction recording device and how its

important for long term soil conservation. Weiber

offers a unique GPS based soil compaction recorder

with computer interface to effectively record the soil

compaction in real time, analyze the data and log in

the data to the host computer for detailed and

comparative analysis of data taken from different

locations. This equipment is a very important tool

real time soil compaction analysis and to generate

computer drawing and maps of the given area.

Products Overview

Soi

l Com

pact

ion


• Measuring the depth : 0-450mm

• Measuring range : 0-100kg; 0-7000kpa (0-1000psi)

• Accuracy : the kg unit: 0.05kg

• Pressure Unit : kg and kpa

• Data Acquisition Memory : 1000 entires

• Operating Temperature : -10 ? -60 ?

• Power Supply : Battery Operated

Model Details (CQUS-750 -I)

Common type, a direct indication of soil compaction (kg and kpa), a

data storage function, directly stored in the host. Standard

configuration with: host, stainless steel measuring rod, the battery

CQUS-750 -II (With Built - In GPS System)

Other Features same as CQUS-750 -I but with data storage to the

host computer, RS232 interface, with computer data export

software, storage, printing software, built-in GPS positioning

system, real-time display of measurement points, location

information (latitude and longitude), and can take advantage of this

location data in a computer drawing maps of soil compaction

Products Overview

• Portable

• Light Weight large-screen LCD

display,

• M e m b r a n e k e y b o a r d -

Automatically data recording

• Simultaneously display of two

units kg and kpa -Stainless steel

measuring rod,

• Poles have different depths

scale identification-

No external power supply

required

• R e a l - t i m e d i s p l a y o f

measurement points can be

l o c a t i o n i n f o r m a t i o n

(latitude and longitude)

Features:

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Tel: 0091-11-23646703, 23643054

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Tel: 0086-13929598046 | 0086-18922303099

Email: [email protected]

SHOWROOM

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Tel: 0091-0-9312219738 (M) +91-9717741167

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Inmed Trade Street, Ozerkovsky Embankment, Unit No 50 Straine-1, Off-502, Moscow, RUSSIA

Tel: 0049-79592345 | Email: [email protected]

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TECHNOCRACY PVT. LTD.

based-soil-compaction-recorder

Documents

soil water

soil profile

packed soil

soil insects

soil consolidation

smaller soil pores

deeper soil layers

strong seedsoil