|
Trends in Animal Waste Levels
|
|
View Trends for
|
| Year |
Number of Head |
Amount of Waste
(tons) |
Volume of Waste
(gallons) |
Amount of Nitrogen in
Waste (pounds) |
Nitrogen lost to
Atmosphere (pounds) |
Amount of Phosphorus
in Waste (pounds) |
| 1987 |
51,776,779 |
98,000,000 |
24,000,000,000 |
1,200,000,000 |
870,000,000 |
400,000,000 |
| 1992 |
56,491,425 |
110,000,000 |
26,000,000,000 |
1,300,000,000 |
940,000,000 |
440,000,000 |
| 1997 |
57,450,288 |
110,000,000 |
27,000,000,000 |
1,300,000,000 |
960,000,000 |
450,000,000 |
|
|
|
