Hamad Soil Science 28/11/2021 A. EC is 8.5 C. SAR is >13 D. All the above Related Mcqs: Mechanisms of material uptake by plants is by____________________?A. Diffusion B. Osmosis C. Root interception D. Mass flow... International atomic weight of potassium is_________________?A. 39.0 B. 40.0 C. 41.0 D. 38.0... Shrinking and swelling is property of__________________?A. Clay B. Silk C. Water D. Smecitie... Cyclic salts are mostly of ______________________?A. SO4 B. HCO3 C. Cl– D. None of the above... Extraction of humic substance can be done by______________________?A. NaOH B. NH4Cl C. NH4OH D. None of the above...
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