final 2

plant that has symbotic nitrogen fixation

root hair

brace roots on corn/sorghum

Not a major water source for plant growing

Nutrients release from OM by

Soil organisms promote

Pesticides break down by

root functions

Related to non symbotic nitrogen fixation

plants with prostrate stems

Organic matter has a high - and used to -

horizontal underground stem

Soil used for peanuts pegging

taproot system plants

— nutrients should cause to lodging and — nutrient need to be applied to avoid lodging

Soil that is fine with heavy texture

The dark black color of soil means that it is

Which horixons has a larger amount of clay

Good soil structure

Improves soil structure in clay structure

Nutrients that come from soil for plant growth

Clay has a better — than sand

Suitable practices to obtain OM at a crop field

What can change soil texture class

plants that contain both rhizome and stolon

Major decomposer in soil

When etiolation is occured it is because

— should be placed in soil because it is —

state soil

PAW

Used to classify soil texture

sand particle size

silt particle size

clay particle size

special bacteria in symbotic N fixation

Where do brace roots come from

where does soil water and air locate in

special bacteria in symbotic N fixation gives — t plant. the plant gives the special bacterial energy which is from —

difference between OM and humus

N - favorite to plant

Soil solids %

water %

air %

organic matter %