Fertigation through sub-surface irrigation

Fertigation through sub-surface irrigation

    • The high labour requirement in spreading and collecting laterals every season, and the deterioration of exposed drip lines limit further expansion. Subsurface location of trickles may solve these problems.
    • Further more, it would position the supply of nutrients in the centre of root system, where the water content is relatively high and steady with time.
    • Nutrients introduced via sub-surface trickles can move in a spherical volume around the emitter, while transport in surface application is bounded within a hemisphere below the point source.
    • The higher moisture content, greater root density, and larger soil volume favours P uptake to a significant level.
    • It was observed that weed growth in sub-surface treatment was considerably lesser than surface placement

Last modified: Wednesday, 4 January 2012, 6:09 PM