Answers (Latest 2026)
Nitrogen - Correct Answers ✅nutrient most responsible for
green, vegetative growth and protein content; lost to air and
growndwater quickly; use nitrate form in cool weather
Primary macronutrients - Correct Answers ✅nitrogen,
phosphorous, potassium
Secondary macronutrients - Correct Answers ✅calcium,
magnesium, sulfur
Phosphoros - Correct Answers ✅root growth, flowering and
maturity; builds up in soil and not mobile; excess build up can
tie up micronutrients
Iron - Correct Answers ✅micronutrient that allows rapid
green-up w/o much vegetative growth; chelated iron allows
plant to uptake iron even if pH is very alkaline or basic
Potassium - Correct Answers ✅helps fight stress (cold,
heat, drought, disease)
Calcium - Correct Answers ✅helps with proper cell division
and is an important component of cell walls; found in all limes
and helps raise the pH of acid soils
, Alabama SLP Exam Questions and
Answers (Latest 2026)
Magnesium - Correct Answers ✅critical component of
chlorophyll molecule; it's addition will green-up plants and
improve acid soils; dolomitic lime contains large amounts of
magnesium and calcium
Sulfur - Correct Answers ✅important to protein synthesis
and help green-up leaves; overuse makes soils more acidic
Photosynthesis - Correct Answers ✅food making process in
plants where water vapor and oxygen are released through
leaves to allow uptake of CO2 and formation of sugars.
Requires sunlight and chlorophyll
Transpiration - Correct Answers ✅process by which water
moves into roots, thru trunk and out of the leaf stomates as
vapor. Full sun plants replace water quickly
Respiration - Correct Answers ✅breakdown of stored food
in the plant; wet soils inhibit respiration
Cation Exchange Capacity (CEC) - Correct Answers ✅ability
of the negative charged clay and organic particles in the soil
to hold and release positive charged nutrients in the soil or
added as fertilizer. CEC helps indicate the amounts of pre-
emergent herbicide, lime, etc the soil can retain.