5.2 Information Flashcards
Blue hydrangea ph
5.2-5.5
Pink hydrangea ph
6-6.2
Effect of ph on plants
Changes the availability of nutrients in soil plants can only use the nutrients dissolved in the water of the soil different species need different nutrients
Acidic soils
Potassium phosphorus calcium and magnesium dissolve easily
Zinc manganese copper and iron do not
Soil ph affects number and variety of microorganisms
Ph and farms
On a typical farm areas that are close together can have different ph and soil combinations
Ph on crops
Legumes grow beat at less than 6.2
Maize does well at low as 6
Adjusting soil
Soil too acidic add basic substance
Lime calcium carbonate
Pharmaceuticals
Ph of solution change from acidic to neutral to form precipitate
Bee sting
Contains methanoic acid HCOOH
Can be neutralized with ammonia based cream
Acid reflux
Can be neutralized with antacids bases
Food industry
Vinegar added to prepackaged and processed foods to prevent spoilage and bacteria growth
Kitchen
Fish is a weak base served with lemon to rid fishy smell
Spinach has iron, lemon helps the body absorb