Soil Texture
What soil particle is the largest?
Sand
Is a pH of 6 acidic, neutral, or alkaline?
Acidic
What is the purpose of soil testing?
To check nutrient levels and pH
Name one cause of soil erosion?
Wind or Water
What method slows water on slopes
Contour plowing
What texture holds nutrients the best?
Clay
What do you add to acidic soil to raise pH?
Lime
What should farmers do BEFORE applying fertilizer?
Test the soil
What is UT's most common type of erosion?
Wind erosion
What practice blocks wind erosion?
Windbreaks
Loam
What do you add to alkaline soil to lower pH?
Sulfur or organic matter
A soil with pH 7 is called what?
Neutral
Why does erosion reduce crop yeild?
It removes topsoil
What is no-till farming?
Leaving residue on top; little to no soil distrubance
Why does sandy soil drain so quickly?
Large particles and large pore spaces
What is nutrient lockout?
Nutrients are present but plants cannot absorb them due to wrong pH
Why should farmers avoid adding to much fertilizer?
It causes runoff and water pollution
Which soil texture erodes fastest and why?
Sand- loose particles blow/wash away easily
Why do farmers plant cover crops?
To prevent erosion, add nutrients, and protect soil
Which soil texture is MOST likely to leach nutrients?
Sand
Why does soil pH matter?
It affects nutrient availability
Which is the BEST pH for most crops? 4.5, 6.5,8.5, or 10
6.5
Name TWO human activities that increase erosion?
Any 2
Overgrazing, Over-tilling, Removing vegetation, Construction
What does "sustainability" mean?
Using resources without harming future generations