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THE EFFECT OF WHITE CLOVER, FERTILIZER NITROGEN AND SIMULATED ANIMAL RESIDUES ON YIELD OF GRASSLAND HERBAGE
Author(s) -
Holliday R.,
Wilman D.
Publication year - 1962
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.1365-2494.1962.tb00298.x
Subject(s) - agronomy , nitrogen , perennial plant , yield (engineering) , dry matter , nitrogen fertilizer , grassland , seedling , fertilizer , red clover , biology , environmental science , chemistry , materials science , organic chemistry , metallurgy
An experiment is described which measures the effects of white clover, fertilizer nitrogen and simulated animal residues, alone and in all combinations, on total herbage production from a perennial ryegrass sward. Yields of oven‐dry herbage and of nitrogen are quoted. Two cuts were taken in the seedling year and four to six in each of three full harvest years. Yield response to fertilizer nitrogen was similar to that in some other experiments in the U.K., while the beneficial effect of clover on yield was rather greater. Negative nitrogen ± clover and positive nitrogen ± animal residues interactions were found throughout the yield data. There was a positive clover ± animal residues interaction in the first harvest year (dry‐matter yield only), and a negative nitrogen ± clover ± animal residues interaction in the second harvest year. The results are discussed in relation to other published work and to their application in practice.