By Ajai Singh
Drip Irrigation approach is now a longtime approach to irrigation in water scarce parts however it can also be gaining significance in water ample parts. during this know-how, the cropped box is irrigated within the shut area of root sector of crop. It reduces water loss happening via evaporation, conveyance and distribution. hence excessive water use potency may be accomplished.
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Longer retention time is required to allow the settling of smaller particles. 7 m long is required to provide a one quarter hour retention time for a 57 lps stream. Settling basin should be relatively long and narrow to eliminate short circuit current that reduces effective retention time. If the source of water is ground water, settling basins should not COMPONENTS OF DRIP IRRIGATION SYSTEMS 45 Fig. 5: Arrangements of gravels in media filter be used but if canal water is being used for irrigation through drip irrigation systems, it may be of a great use.
Shedeed et al. (2009) evaluated the effect of method and rate of fertilizer application under drip irrigation system on growth, yield and nutrient uptake by tomato grown on sandy soil. 5m × 12m plot and included: control, normal fertilizers applied to soil with furrow irrigation, normal fertilizers applied to soil with drip irrigation, ½ soil - ½ fertigation, ¼ soil - ¾ fertigation and 100% NPK fertigation as water soluble fertilizers applied through drip fertigation. 65, respectively, over normal fertilizer applied to soil with drip irrigation.
Water is filtered as it flows through the grooves. Coarse particles are trapped on the external surface of the stack while finer particles and organic debris adheres to the inner grooves. The discs are pressed together during filtration and direction of flow is reversed during back flushing mode. The discs start a spinning motion and complete retained COMPONENTS OF DRIP IRRIGATION SYSTEMS 49 Fig. 8: Photograph of disc filter (Phocaides, 2000) 50 AN INTRODUCTION TO DRIP IRRIGATION SYSTEM impurities are removed.
An introduction to drip irrigation systems by Ajai Singh