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Phosphorus
Cotton/beans/ and corn show phosphorus deficiency (left) compared with adequately fertilized plants (right)
Phosphorus deficiency of tobacco appears as much smaller leaves than usual
Subsistence farmer observes his phosphorus-deficient corn crop (Cape Verde)
Typical phosphorus deficiency symptoms of corn - with red pigment in the leaves
Florida heifer crippled with P deficiency (Fig. 10) and noticable recovery after 9 months of feeding bonemeal supplement (Fig 11).
Bone section of heifer grazing on P-deficient pasture (left) compared with bone section from cow provided with adequate Ca and P (right).
Cattle with "sweeny" or "stiffs" from grazing on P-deficient rangeland
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