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nitrogen, phosphorus, and sediment necessary to reverse declines in the Bay’s quality and associated biological resources … resource agencies. Information on field characteristics can be used to target design-based policies to improve efficiency. …
Persistent link: https://www.econbiz.de/10011098008
The United States is the world's largest phosphate exporter and the world's largest potash importer. The U.s. nitrogen … trade balance, relatively stable before 1983, has shifted as the United States became a net importer of nitrogen beginning …, world and U.S. imports and exports of nitrogen, phosphate, and potash, and U.S. import origins and export destinations for …
Persistent link: https://www.econbiz.de/10010879756
The rapid growth in fertilizer consumption throughout the sixties and seventies peaked at 23.7 million nutrient tons in 19R1. U.S. plant nutrient use has since dropped by varying amounts because of fewer crop acres and stabilizing application rates. By 19R,), plant nutrient use totaled 21.7...
Persistent link: https://www.econbiz.de/10010911838
The rapid growth in fertilizer consumption throughout the sixties and seventies peaked at 23.7 million nutrient tons in 1981. After falling to 18.1 million tons in 1983, use has remained relatively stable, ranging from 19.1 to 21.8 million tons during 1984-93. Use has declined from its peak...
Persistent link: https://www.econbiz.de/10010911959
Animal waste from confined animal feeding operations is a potential source of air and water quality degradation from evaporation of gases, runoff to surface water, and leaching to ground water. This report assesses the potential economic and environmental tradeoffs between water quality policies...
Persistent link: https://www.econbiz.de/10005321045
data. Nationaland State-level estimates of liquidity, efficiency, solvency, and profitability ratios are presented for 1960-91. …
Persistent link: https://www.econbiz.de/10010879600
population, macroeconomic indicators, food consumption, factors of production, commodity production, trade, and efficiency of …
Persistent link: https://www.econbiz.de/10010879643
Bank operating statistics for 1980-91 illustrate important differences between agricultural and nonagricultural banks. The agricultural banks, with a higher proportion of agricultural loans, were more profitable overall, while having more securities and fewer loans. Most agricultural banks were...
Persistent link: https://www.econbiz.de/10010912001
Persistent link: https://www.econbiz.de/10010922423
Increased productivity is a key to a healthy and thriving economy. Consequently, the trend in productivity, economywide, is one of the most closely watched of our common economic performance indicators. Agriculture, in particular, has been a very successful sector of the U.S. economy in terms of...
Persistent link: https://www.econbiz.de/10005526043