The indigenous soil and forests of many regions accumulate, sieve, and gradually release fresh, clean water to streams, wetlands, and estuaries. The varieties of life in marine and fresh water, as well as on land, require clean water to thrive. As human populations intrude and alter natural settings, native forests and soils are replaced with [...]

A good general guideline is an inch of water per week, either by rain or watering; in arid climates, it is double that. In hot weather, vegetables need even more water, up to about ½ inch per week extra for every 10 degrees that the average temperature is above 60 degrees. By definition, the average [...]