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Assessment of nitrogen status of soils for cereal crops: Effects of nitrogen fertiliser on growth, composition and yield of spring barley
Author(s) -
O'Neill Eileen J.,
Batey Thomas,
Cresser Malcolm S.
Publication year - 1983
Publication title -
journal of the science of food and agriculture
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.782
H-Index - 142
eISSN - 1097-0010
pISSN - 0022-5142
DOI - 10.1002/jsfa.2740340604
Subject(s) - straw , agronomy , nitrogen , spring (device) , composition (language) , yield (engineering) , soil water , grain yield , environmental science , biology , chemistry , soil science , mechanical engineering , linguistics , philosophy , materials science , organic chemistry , metallurgy , engineering
The effects of fertiliser N on the growth rate and nitrogen and pigment concentrations of spring barley throughout growth were measured at two locations in north‐east Scotland in consecutive years. Inorganic N in soil was also measured as were grain and straw yields at maturity. The results show that plant analysis, as early as 3 or 4 weeks after emergence of barley, was an effective assessment of soil N status.