Irrigation water may contain:
ASodium
BCalcium
CMagnesium and potassium
DAll of these
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Related Questions:
The total depth of water required by a crop during the entire period, the crop is in the field, is called:
The first watering before sowing the crop
The water which is readily available to plants is known as:
The type of irrigation in which the supply of irrigation water available is at such a level that it is conveyed on to the land by the gravity flow is:
Represents the irrigating capacity of a unit of water