what is irrigation runoff?
<answer> The irrigation runoff from surface irrigation is a balance between adequately irrigating trees at the lowest end of the orchard and minimizing tailwater runoff. <context> Minimizing the irrigation runoff from surface irrigation is a balance between adequately irrigating trees at the lowest end of the orchard and minimizing tailwater runoff. If the irrigation system minimizes tailwater runoff, the trees at the end of the orchard may be underirrigated. Blocking the ends of the orchard to retain the water eliminates runoff, but