<Li> For subsurface drip the irrigator cannot see the water that is applied . This may lead to the farmer either applying too much water (low efficiency) or an insufficient amount of water, this is particularly common for those with less experience with drip irrigation . </Li> <Li> Drip irrigation might be unsatisfactory if herbicides or top dressed fertilizers need sprinkler irrigation for activation . </Li> <Li> Drip tape causes extra cleanup costs after harvest . Users need to plan for drip tape winding, disposal, recycling or reuse . </Li> <Li> Waste of water, time and harvest, if not installed properly . These systems require careful study of all the relevant factors like land topography, soil, water, crop and agro-climatic conditions, and suitability of drip irrigation system and its components . </Li>

Why does drip irrigation need to be popularised