Sentences with phrase «data on agricultural production»

Data on agricultural production and water use are not collected at all, or are collected by individual irrigation districts, counties, and a variety of state and federal agencies using a range of tools from voluntary reporting at the field level to remote sensing from satellites.

Traded goods were tracked back to which nations actually grew the underlying crops using cross-national data on agricultural production.

Not exact matches

In the 1950s, when the Soil Conservation Service (now known as the Natural Resources Conservation Service) began defining tolerable rates of soil erosion from agricultural land, hardly any data on rates of soil production were available.

U.S. Department of Agriculture data tables provide evidence for the importance of the eight Midwest states for U.S. agricultural production.3 Evidence for the effect of future elevated carbon dioxide concentrations on crop yields is based on scores of greenhouse and field experiments that show a strong fertilization response for C3 plants such as soybeans and wheat and a positive but not as strong a response for C4 plants such as corn.

This technical document provides a brief review of the benefits from various agriculture - based practices and technologies that have the potential to increase food production and the adaptive capacity of the food production system, as well as reduce emissions or enhance carbon storage in agricultural soils and biomass, focusing in detail on empirical evidence concerning costs and barriers to adoption, both from household and project - level data.

Also, the letter focuses on smallholders, but the data can also be used to investigate the contribution of large - scale farming to land use and agricultural production.

For example, the United Nations Food and Agricultural Organisation (FAO) has been compiling forest inventories since 1946 providing detailed data on carbon stocks, often based on commercial wood production data.