Plant Nutrition Vocab

Nutrient

Substance that is metabolized by or incorporated into an organism

What are the plant growth limiting factors?

Sunlight, Water, Carbon Dioxide, and Essential Elements

Essential Elements

required in metabolism, many are enzyme cofactors

Develops in plants that receive too little of a nutrient

Deficiency symptoms

Light

Energy source to form chemical bonds

Do leaves in the sun or shade have a thicker photosynthetic layer?

Sun

List layers of the forest in rising order

Forest Floor, Understory Layer, Canopy Layer, Emergent Layer

What is 90% of plant weight

Water

When is water split?

During the light cycle of photosynthesis

What does water provide to organic compounds?

Hydrogen and Oxygen

More CO₂= ?

Plant Growth

What is formed during the light cycle of photosynthesis?

Electrons

What maintains hydrostatic pressure?

Vacuoles

Do plants need vitamin?

No

Do plants need essential nutirents?

Yes

Soil

Mixture of inorganic (rock, metals, gas, water) and organic substances (organisms, molecules).

Horizons

Soil Layers

How do plants absorb inorganic nutrients?

In the water they take through their roots

Topsoil

most organic matter

Subsoil

soil base mostly inorganig

Ideal Soil

high organic matter, sand particles, clay particles

What factors influence soil layers?

Climate, Vegetation, Bedrock, and Human Influence

What do plants need to convert N₂ gas into organic form?

Various Soil Bacteria

Mycorrhizae

mutualistic associations of fungi and plant roots

In Mycorrhizae what does fungus benefit from?

steady supply of sugar from the host plant

In Mycorrhizae what does the host plant benefit from?

fungus increases the surface area for water uptake and mineral absorption

Who made the first man-made fertilizer?

Fritz Haber and Carl Bosch

Why are some plants carnivorous?

To obtain nutrients

Hydroponic Farming

plants suspended over water mineral solution

Rhizobia

Nitrogen fixing bacteria