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An Evaluation of Fertilizer and Soil Nitrogen Uptake by Wheat
Author(s) -
Sangakkara U. R.,
Cho C. M.
Publication year - 1987
Publication title -
journal of agronomy and crop science
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.095
H-Index - 74
eISSN - 1439-037X
pISSN - 0931-2250
DOI - 10.1111/j.1439-037x.1987.tb00261.x
Subject(s) - agronomy , fertilizer , nitrogen , nitrogen fertilizer , poaceae , environmental science , chemistry , biology , organic chemistry
Nitrogen utilization and uptake patterns of wheat was studied using 15 N labelled fertilizer at four rates of application. Plants harvested at maximum tillering and at flowering indicated that plant N levels stabilized with time. Fertilizer N uptake and utilization of added fertilizer increased with time. However, uptake of soil N was not affected by rates of fertilizer at early stages. Increases were observed only at higher rates at the later harvest.