Tag: water

A safe level of nitrate nitrogen (NO3N) in the for is less than 100 ppm. The sulfate upper limit for calves is less than 500 ppm (167 ppm sulfur as sulfate). For adult , the upper limit is less than 1,000 ppm (333 ppm sulfur as sulfate). Stagnant , lakes, and ponds are ideal environments for the growth of blue-green …