On an early August afternoon at Pinnacle Dairy, a farm located near the middle of California’s long Central Valley, 1,300 Jersey cows idle in the shade of open-air barns. Above them whir fans the size of satellites, circulating a breeze as the temperature pushes 100F (38C). Underfoot, a wet layerContinue Reading

Spatiotemporal variations in N and P emissions from livestock manure Manure N and P production and comparison with fertilizer usage in the Yangtze River Delta Although the amounts of chemical fertilizers used in the Yangtze River Delta region fluctuated greatly before 2000, the overall trend was still increasing, and thereContinue Reading