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Further studies on the effect of phosphate fertilizer and propyzamide on the growth of white clover slot‐seeded into permanent pasture
Author(s) -
WILLIAMS E. D.
Publication year - 1986
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.1365-2494.1986.tb01802.x
Subject(s) - pasture , dry matter , agronomy , yield (engineering) , seeding , phosphate , red clover , fertilizer , phosphate fertilizer , zoology , chemistry , biology , materials science , organic chemistry , metallurgy
Assessments were made of the clover yield and clover content between early June and late July 1984 of white clover in a permanent pasture which had been slot‐seeded in spring 1982. Past reserves of phosphate or application of propyzamide alone only slightly increased clover dry matter yield but together they increased it from 13 to 785 kg dry matter ha ‐1 and gave 31% clover in the total herbage yield. Applications of P 2 O 5 during the experiment, alone or together with past reserves of phosphate, Iased clover yield from 13 to 242 kg dry matter ha ‐1 and the proportion of clover from 1 to 10%. However, highest yields (1282 kg) and clover content (37%) were attained when P 2 O 5 and propyzamide were applied to treatments with past reserves of phosphate. These results confirmed the trends evident during the second year and also indicated a potential role for grass‐suppressants in increasing management options during the early years after slot‐seeding.