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Effect of Rate and Frequency of Potash Additions on Pasture Yield and Potassium Uptake 1
Author(s) -
Doll E. C.,
Hatfield A. L.,
Todd J. R.
Publication year - 1959
Publication title -
agronomy journal
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.752
H-Index - 131
eISSN - 1435-0645
pISSN - 0002-1962
DOI - 10.2134/agronj1959.00021962005100010010x
Subject(s) - potash , pasture , potassium , acre , agronomy , yield (engineering) , zoology , environmental science , legume , chemistry , biology , materials science , organic chemistry , metallurgy
Synopsis No differences in total yields for 4 years were obtained when equal amounts of potassium were applied to a grass‐legume pasture as either 1 initial or 4 annual applications, although yields the fourth year were lower when 400 pounds of K 2 O per acre were applied initially than when the same total amount was applied in 4 annual applications. The effectiveness of the initial applications is thought to be associated with release of initially fixed potassium.