“…Pits created by digging and mounding of soil, at least 10 to 15 cm (4-6 inches) deep, increase infiltration and reduce runoff compared with unpitted land, 19 although some have considered ideal size to be roughly double that size. 21 Pit spacing is another important consideration. Spacing pits more than 3.2 m (10 feet) apart can result in too little of the landscape affected to achieve restoration goals.…”