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The white clover contribution during the first 24 months after sowing
Author(s) -
WILMAN D.
Publication year - 1977
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.1365-2494.1977.tb01421.x
Subject(s) - perennial plant , sowing , agronomy , yield (engineering) , biology , field experiment , white (mutation) , zoology , materials science , metallurgy , biochemistry , gene
Abstract Perennial ryegrass was sown in a field trial with or without a small‐leaved white clover, S184, in September 1969 and cut five times per year in 2 successive years. Yield of clover was low and very unevenly distributed in time. Clover performance is described in four distinct periods, April‐June 1970, July‐September 1970, April‐June 1971 and July‐September 1971, in which yield of clover was respectively low, moderate, low and fairly high and the indirect contribution, the enhanced yield of other sward components, was respectively nil, moderate, moderate and moderate. The ratio of indirect to direct contributions on an annual basis concealed very large differences both within and between years. The presence of clover increased the N content but did not affect the P or K content of other sward components.