Introduction to Drainage
This is a method of removing excess water or lowering the water table from a marshy water-logged land.
It is also a method of land reclamation.
Importance of Drainage as a Method of Land Reclamation
Methods of Drainage
This is the process by which harmful substances get into the water.
The harmful substance is referred to as a pollutant.
Agricultural practices which pollute water include:
Methods of Preventing Water Pollution
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Quick Agriculture Revision Notes