How variable is nitrogen in production agriculture fields? | Zendy

Xiong Xiong | Zendy; Wilson Eric | Zendy; Fernández Fabián G. | Zendy

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How variable is nitrogen in production agriculture fields?

Author(s) -

Xiong Xiong,

Wilson Eric,

Fernández Fabián G.

Publication year - 2016

Publication title -

crops and soils

Language(s) - English

Resource type - Journals

eISSN - 2325-3606

pISSN - 0162-5098

DOI - 10.2134/cs2016.49.0311

Subject(s) - nitrogen , agriculture , environmental science , production (economics) , certification , variable (mathematics) , sample (material) , soil science , soil test , agricultural productivity , soil water , agronomy , mathematics , agricultural engineering , geography , engineering , economics , chemistry , biology , archaeology , management , organic chemistry , macroeconomics , mathematical analysis , chromatography

Researchers set out to determine (i) the effect of drained and undrained conditions and previous crop on soil N concentrations and variability, (ii) the number of soil cores needed in a composite sample to correctly represent soil N fractions, and (iii) the feasibility of representing soil N in deeper layers of the soil with shallower samples. Earn 1 CEU in Soil & Water Management by reading this article and taking the quiz at www.certifiedcropadviser.org/certifications/self‐study/772 .

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