The biological method for determining deficiency of lime, P and K is
A. Aspergillus test
B. Neubavers method
C. Azotobacter Plague Test
D. None of these
Answer: Option C
Solution(By Examveda Team)
The biological method for determining a deficiency of lime, P and K is Azotobacter Plague Test. The sensitiveness of the Azotobacter group of organisms to soil acidity and lack of available phosphate has been long recognized and has been the basis of microbiological tests to check soil deficiencies.Related Questions on Soil Science
Which one is the most important among Amphibloes
A. Hornblend
B. Tremolite
C. Diopsite
D. Actinolite
Sources of negative charges on silicate clays is/are
A. Exposed crystal edges
B. Isomorphus substitution
C. Anion exchange
D. All of these
The most conspicuous chemical change that take place when soil is flooded is reduction of
A. Fe
B. P
C. S
D. None of these
Join The Discussion