Abstract
A greenhouse study of some aspects of infertility of an acid soil of California, namely the ‘Wilder’ soil, was undertaken. Experiments with white-rooted radish showed that the soil when limed to near neutrality with CaCO3 indicated deficiencies of boron and magnesium. When sweet corn was used as a test crop, zinc deficiency was exposed in limed soil. The plant tissue tests and morphological observations corroborated this. The apparent decrease in zinc content in sweet corn in presence of the added phosphate was taken to be a dilution effect.
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