Soil pH decreases as the acidity increases because the pH measurement expresses acidity as. the negative logarithm of H+ ion concentration. Alfalfa is the most sensitive crop to low pH grown in Iowa, while. forage grasses are the least sensitive and corn and soybean are intermediate. Soil acidity can affect plant growth directly. or indirectly by affecting the plant-availability of several nutrients, increasing levels of some elements to phytotoxic.
The root word morph comes from a Greek word meaning âshape.â Ever heard of the âMighty Morphin Power Rangersâ? When they are âmorphinâ they are changing âshape.â Letâs stay in good academic âshapeâ and take a look at the intellectual words that derive from this root.
Morphea (mor-FEE-uh) is a rare skin condition that causes painless, discolored patches on your skin. Typically, the skin changes appear on the abdomen, chest or back. But they might also appear on your face, arms or legs. Morphea tends to affect only the outermost layers of your skin.