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Basic land surveying and irrigation : practicals / P. I. Adriaansen and S. A. M. T.Powel

By: Contributor(s): Series: Stoas activating knowledgePublication details: Netherlands : STOAS, 1994.Description: 152 P. : ill. ; 30 cmISBN:
  • 9070857294
Subject(s): DDC classification:
  • 20 526.9  ADR
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Holdings
Item type Current library Call number Copy number Status Date due Barcode
Book Open Access Book Open Access Agriculture and Animal Sciences Library 526.9 ADR 1 (Browse shelf(Opens below)) 1 Available AAS0000427
Book Open Access Book Open Access Agriculture and Animal Sciences Library 526.9 ADR 2 (Browse shelf(Opens below)) 2 Available AAS0000428
Book Open Access Book Open Access Agriculture and Animal Sciences Library 526.9 ADR 3 (Browse shelf(Opens below)) 3 Available AAS0000429
Book Open Access Book Open Access Agriculture and Animal Sciences Library 526.9 ADR 4 (Browse shelf(Opens below)) 4 Available AAS0000430
Book Open Access Book Open Access Agriculture and Animal Sciences Library 526.9 ADR 5 (Browse shelf(Opens below)) 5 Available AAS0000577
Book Open Access Book Open Access Agriculture and Animal Sciences Library 526.9 ADR 6 (Browse shelf(Opens below)) 6 Available AAS0000578

Contents

Indoor Practicals
Dimension and area
Water discharge
Irrigation depth
Conversion of units
Linear interpolation
Calculation of slope, scale and area from maps
Drawing of cross section

Field practicals
Construction of a straight line
Measuring horizontal distance
The use of a pentagon prism

The water horse level
The water hose level:construction and use
Setting out contours lines using the water horse level
Setting out lines under a certain slope using the water horse level

The use of aline level
Setting up a dumpy level
Measuring differences in elevation with a dumpy level
Checking a dumpy level
Topographic site surveying

Soil conditions in relation to irrigation
Soil moisture determination
Determination of a bulky density

Irrigation
Irrigation of a farm plot
The use of portable checks
Evaluation of an irrigation

Routine maintenance of water canals
Maintenance of water causes and profile of water




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