Critical concentration (ppm) of Zn in case of DTPA extract is
A. 6
B. 8
C. 4.5
D. 3
Answer: Option A
Solution(By Examveda Team)
The DTPA (Diethylene triamine pentaacetic acid) micronutrient extraction method is a non-equilibrium extraction for estimating the potential soil availability of Zinc, Copper, Manganese and Iron.The critical concentration (ppm) of Zinc in the case of DTPA extract is 6.
This Question Belongs to Agriculture >> Soil Science
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