TY  - BOOK
AU  - Adriaanse, P. I.
AU  - Povel, S. A. M. T.
TI  -  Basic land surveying and irrigation: practicals 
SN  - 9070857294
U1  - 526.9  20
PY  - 1994///
CY  - Netherlands
PB  - STOAS
KW  - surveying
KW  - Irrigation
N1  - 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 





ER  -