Reading...
Play button
Play button
Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
14 Cards in this Set
- Front
- Back
|
Five Factors of Soil Formation
|
-Climate
-Parent Material -Topography -Time -Organisms |
|
|
Soil =
|
mineral, organic matter + gas + soil solution + living organisms
|
|
|
Soil Horizon Names and Descriptions:
|
-O: Decaying plants on or near surface
- A: Top Soil, Organic Rich - B: Subsoil, Most Diverse Horizon and the Horizon with the most sub classifications -C: Weathered/aged parent material |
|
|
Soil Texture
|
-Sand --->
-silt --> -clay -> |
|
|
Saturation
|
all spaces filled with water
|
|
|
Field capacity
|
% of water remaining after gravitational water has drained
|
|
|
Permanent wilting percentage
|
only adhesion water left
|
|
|
Storage capacity
|
FC - PWP
|
|
|
Adhesion water
|
water that is closes to the surface, bonds strongly with the soil particles
|
|
|
Cohesion water
|
water molecules held by mutual attraction in the soil against force of gravity
|
|
|
From Soil to Roots
|
-Ion Exchange (Mass Ion Effect)
-Root Interception -Bulk flow -Diffusion -Passive and Active Transport into Cells |
|
|
Macro
|
C, H, O, N, P, K, Ca, Mg, S
|
|
|
Micro
|
Fe, Mn, B, Zn, Cu, Cl, Co, Mo, Ni
|
|
|
C. B. H O P K i N S Ca Fe, Co. Cl osed Mn day Mo rning and N ight C U Zn, the Mg
|
C. B. H O P K i N S Ca Fe, Co. Cl osed Mn day Mo rning and N ight C U Zn, the Mg
|
