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Agriculture · Q304

Soil Science

Graduate and Post Graduate · Agriculture · question 304

Q304

Critical concentration (ppm) of Zn in case of DTPA extract is

A.
6
Answer
B.
8
C.
4.5
D.
3

Answer: Option A

Solution

Answer: Option A
Solution:
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.
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