Which of the following nutrients is available at neutral pH value?
A. Al
B. Fe
C. Ca
D. P
Answer: Option D
Solution(By Examveda Team)
Phosphorus is a nutrient that is available at a neutral pH value.Precipitation of phosphorus as slightly soluble calcium phosphates occurs in calcareous soils with pH values around 8.0.
Under acid conditions, phosphorus is precipitated as Fe or Al phosphates of low solubility. Maximum availability of phosphorus generally occurs in a pH range of 6.0 to 7.0.
Related Questions on Plant Pathology
Which photosynthetic bacteria possess both PS I and PS II?
A. Purple sulphur bacteria
B. Cyanobacteria
C. Purple nonsulphur bacteria
D. Green sulphur bacteria
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