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THE CRUDE PROTEIN AND NITRATE NITROGEN RELATIONSHIP IN S22 IN RESPONSE TO NITROGEN AND POTASH FERTILIZER TREATMENTS
Author(s) -
Kershaw E. S.
Publication year - 1963
Publication title -
grass and forage science
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.716
H-Index - 56
eISSN - 1365-2494
pISSN - 0142-5242
DOI - 10.1111/j.1365-2494.1963.tb00371.x
Subject(s) - potash , nitrate , calcium nitrate , nitrogen , potassium , calcium , chemistry , agronomy , zoology , potassium nitrate , yield (engineering) , ammonia , fertilizer , biology , biochemistry , metallurgy , materials science , organic chemistry
A field experiment to consider the effects of sulphate of ammonia and calcium nitrate at two levels of potash showed that there was little difference between the two forms of applied N in regard to percentage and yield of crude protein. High potash tended to depress both values, where calcium nitrate was the form of N applied. Calcium nitrate generally gave higher nitrate‐N percentages in the herbage, especially at the lower percentage crude protein values; levels of applied N and season also affect nitrate‐N percentage in herbage.