Nutritional Requirements of Plants

Free Response

What type of plant problems result from nitrogen and calcium deficiencies?

Hint:

Deficiencies in these nutrients could result in stunted growth, slow growth, and chlorosis.

Research the life of Jan Babtista van Helmont. What did the van Helmont experiment show?

Hint:

van Helmont showed that plants do not consume soil, which is correct. He also thought that plant growth and increased weight resulted from the intake of water, a conclusion that has since been disproven.

List two essential macronutrients and two essential micro nutrients.

Hint:

Answers may vary. Essential macronutrients include carbon, hydrogen, oxygen, nitrogen, phosphorus, potassium, calcium, magnesium, and sulfur. Essential micronutrients include iron, manganese, boron, molybdenum, copper, zinc, chlorine, nickel, cobalt, sodium, and silicon.