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Yield mapping or yield monitoring is a technique in agriculture of using GPS data to analyze variables such as crop yield and moisture content in a given field. It was developed in the 1990s and uses a combination of GPS technology and physical sensors, such as speedometers, to track crop yields, grain elevator speed, and combine speed.
ARMS data underpin USDA's annual estimates of net farm income and fulfills a congressional mandate that USDA provide annual cost-of-production estimates for commodities covered under farm support legislation. ARMS also provides data regarding chemical use on field crops required under environmental and food safety legislation.
The US is the world's largest producer of corn. [8] According to the United States Department of Agriculture (USDA), the average U.S. yield for corn was 177 bushels per acre, up 3.3 percent over 2020 and a record high, with 16 states posting state records in output, and Iowa reporting a record of 205 bushels of corn per acre.
Predecessor publications date back to the 19th century. In 1893, the USDA Division of Statistics published Production and distribution of the principal agricultural products of the world, a miscellaneous report representing several months of work in compiling the first overview of production of major crops around the world. [7]
NASS data helps to ensure an orderly flow of goods and services among agriculture's producing, processing and marketing sectors. Reliable, timely and detailed crop and livestock statistics help to maintain a stable economic climate and minimize the uncertainties and risks associated with the production, marketing and distribution of commodities.
In agriculture, the yield is a measurement of the amount of a crop grown, or product such as wool, meat or milk produced, per unit area of land. The seed ratio is another way of calculating yields. Cereal yield in tons per hectare and kilograms of nitrogenous fertilizer applied per hectare of cropland.
This merger brought together "responsibility for the collection of farm-level crop and livestock data with that for major domestic and foreign commodity market transactions" in a single agency. [1] While the USDA's data collection activities were developing, the department was also developing expertise in agricultural economics research. [1]
The Census of Agriculture is a census conducted every five years by the U.S. Department of Agriculture's National Agricultural Statistics Service (NASS) that provides the only source of uniform, comprehensive agricultural data for every county in the United States.