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Phosphorus‐Iron and Phosphorus‐Zinc Relationships in Corn ( Zea mays L.) Seedlings as Affected by Mineral Nutrition 1
Author(s) -
Adriano D. C.,
Paulsen G. M.,
Murphy L. S.
Publication year - 1971
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/agronj1971.00021962006300010013x
Subject(s) - zinc , shoot , phosphorus , zea mays , nutrient , chemistry , agronomy , absorption (acoustics) , chromosomal translocation , mineral , plant nutrition , poaceae , zoology , biology , biochemistry , materials science , organic chemistry , gene , composite material
The P‐Zn and P‐Fe relationships in corn ( Zea mays L.) seedlings as affected by high P levels and low and high levels of other nutrients, varied individually, were determined. With high P levels, shoot growth was increased only by high Zn, but was decreased by deficiencies of other nutrients. N and K favored P nutrition more than Fe or Zn nutrition. Ca antagonized P, Zn, and Fe, while Mg synergized P and Zn but not Fe. Similarly, Cu and Mn antagonized shoot P and Fe concentrations and had little effect on shoot Zn concentrations. The most marked interaction at high P levels was between Fe and Zn, which mutually antagonized translocation more than absorption.