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Nutrient Use Efficiency—A Metric to Inform 4R Nutrient Stewardship
Author(s) -
Jones John D.
Publication year - 2021
Publication title -
crops and soils
Language(s) - English
Resource type - Journals
eISSN - 2325-3606
pISSN - 0162-5098
DOI - 10.1002/crso.20102
Subject(s) - stewardship (theology) , metric (unit) , environmental stewardship , nutrient , warrant , nutrient management , cropping , environmental science , baseline (sea) , agricultural engineering , reading (process) , environmental economics , environmental resource management , agronomy , business , ecology , agriculture , biology , economics , marketing , political science , engineering , fishery , finance , law , politics
An increasing frequency of environmental stresses on crop yields, concern of air and water quality, and financial pressure all warrant the need for a focus on nutrient use efficiency (NUE). For the values to be meaningful at the farm level, a relationship between management decisions and NUE should be identified. The status and trend of NUE in U.S. cropping systems will be discussed to provide a baseline understanding of where we are with the use of this metric and where measuring NUE is beneficial. Earn 1 CEU in Nutrient Management by reading this article and taking the quiz at www.certifiedcropadviser.org/education/classroom/classes/949 .
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