Hamad Soil Science 27/05/2021 A. Solid and gases B. CO2 & N C. Solid and liquid D. None of the above Related Mcqs: Mechanisms of material uptake by plants is by____________________?A. Diffusion B. Osmosis C. Root interception D. Mass flow... Vertical movement of water was studied by_________________?A. Ziebig B. Darcy C. Kohler D. Niel... Ligands that occur in Pakistan soils are__________________?A. OH1 HCO2 B. SO4-2 OH C. CO3-2 SO4-2 D. All the above... Chitin and steroids are_____________________?A. Lipids B. Carbohydrates C. Proteins D. Waxes... Boron concentration is irrigation water is considered safe only upto_________________?A. 0.7 ppm B. 1.5 ppm C. 2 ppm D. 3 ppm...
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