Horizons
How many layers of soil are there?
6
True or False: there are three different sides in the soil texture triangle
True
How many elements do plants need to survive
17
What does CDE stand for
Career Development Event
If you have a high water table what color will you soil be
Grey
What color is the E horizon
White
You ribboned a soil and it feels grainy and sticky between your fingures. What tyoe of soil do you most likely have
Sandy Clay
True or False: Plants can not get sick
False
How many different catagories are there in the langd judging CDE contest
6
What does red soil indicate
Heavy in iron
What is the O horizon mostly composed of
Organic material
State Soil for Oklahoma
Port Silt Loam
True or False: N,P,K make up 93% of most plants
False
Name some helpful things you need to know to land judge
Math
soil horizons
water table depths
When calculating Oklahoma land descriptions, how many acres is one square
640
What is the last layer in a soil profile called
R horizon
How many different soil combinations are there in the state of Oklahoma
2500
What color are plant leaves if they are nitrogen deficient
Light yellow
What catagorie in this CDE is worth the most points
Homesite part 2
What three particles must be present for soil to be considered soil
Sand, Silt, Clay
Can a soil profile have more than 6 horizons?
No
What type of soil makes the longest ribbon
Clay
What color are plant leaves is they are phosphours defficient
Purple
Is this a team activity, individual or both
Both
Make sure you know how to calculate Oklahoma Land descriptions, draw them and do the soil triangle!!
Test Soon:)