INTRODUCTION TO IRRIGATION:

Irrigation: Irrigation is the artificial or natural arrangement of water to the soil or land for growing of plants .

Irrigation is of  following two types,

1-Artificial Arrangement (River and

IRRIGATION SYSTEM OF PAKISTAN : 
                                                                                                                                                  Agriculture is backbone of Economy of pakistan, In order to cultivate the most area of any country it is necessary to adopt best irrigation and sub-irrigation systems in the country, about more than 65% of economy

Unit Conversion Tables and equivalent values with each other

Units of Length and their equivalency:

UNITS	EQUIVALENT VALUES IN DIFFERENT UNITS
Mile	1.609km=1609m=1760yard=5280ft=63360inch=160934.4cm=1609344mm
Kilometer	0.63mile=1000m=1096.5yard=3281ft=39372inch=100000cm=1000000mm
Meter	0.0006215mile=0.001km=1.0965yard=3.281ft=39.372inch=100cm=1000mm
yard	0.0005682mile=0.0009124km=0.9124m=3ft=36inch=91.44cm=914.4mm
Feet	0.0001894mile=0.0003047km=0.3047m=0.33yard=12inch=30.48cm=304.8mm
Inch	0.0000158mile=0.0000254km=0.0254m=0.0277yard=0.083ft=2.54cm=25.4mm
Centimeter	0.0000094mile=0.0000151km=0.0151m=0.011yard=0.033ft=0.396inch=10mm
Millimeter	0.0000006mile=0.000001km=0.001m=0.00109yard=0.0033ft=0.0396inch=0.100584cm