Certified Crop Advisor Western Region Exam. Questions With 100% Correct Answers

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Certified Crop Advisor Western Region
Exam. Questions With 100% Correct
Answers


How many essential nutrients are there? - CORRECT ANSWER>>18


What are the Macronutrients (needed in large quantities) - CORRECT
ANSWER>>Nitrogen, phosphorous, potassium, calcium, magnesium,
and sulfur


What are the Micronutrients (needed in small quantites) - CORRECT
ANSWER>>iron, manganese, boron, zinc, chlorine, copper,
molybdenum, cobalt, and nicklel


What are the primary macronutrients? - CORRECT
ANSWER>>nitrogen, phosphorus, potassium


What are the secondary macronutrients? - CORRECT
ANSWER>>calcium, magnesium, sulfur


What are functions of organic matter in the soil? - CORRECT
ANSWER>>source of nutrients, increase water holding capacity and
infiltration rates, improve structure, and increase cation exchange.


Ways to increase soil organic matter? - CORRECT ANSWER>>cover
cropping, manure, and conservation tillage


cations are..... - CORRECT ANSWER>>positively charged ions

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anions are..... - CORRECT ANSWER>>negatively charged ions


soil particles have a negative net charge which means..... - CORRECT
ANSWER>>cations are attracted to the soil, and anions are repelled,
meaning they move through the soil more freely with water


the finner the texture the greater the CEC, meaning - CORRECT
ANSWER>>as the percent of soil particles in the silt and clay size
range increase, so does the CEC


what are the dominant cations? - CORRECT
ANSWER>>Ca>Mg>K>Na


Xylem - CORRECT ANSWER>>conducts water and mineral nutrients
upward from the roots to all above ground parts. (fly up)


Phloem - CORRECT ANSWER>>moves mineral, products of
photosynthesis and other organic compounds from the leaves to other
plant parts (flow down)


Nitrate (NO3-) - CORRECT ANSWER>>Soil mobility = high, plant
mobility = high


Ammonium (NH4+) - CORRECT ANSWER>>soil mobility = low, plant
mobility = high


Phosphorous - CORRECT ANSWER>>soil mobility = low, plant
mobility = high

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Potassium - CORRECT ANSWER>>soil mobility = low, plant mobility
= high


Calcium - CORRECT ANSWER>>soil mobility = low, plant mobility =
low


Magnesium - CORRECT ANSWER>>soil mobility = low, plant mobility
= moderate


Sulfur - CORRECT ANSWER>>soil mobility = high, plant mobility =
moderate


Chlorine - CORRECT ANSWER>>soil mobility = high, plant mobility =
high


iron - CORRECT ANSWER>>soil mobility = low, plant mobility =
moderate


manganese - CORRECT ANSWER>>soil mobility = low, plant mobility
= moderate


Boron - CORRECT ANSWER>>soil mobility = high, plant mobility =
variable


Zinc - CORRECT ANSWER>>soil mobility = low, plant mobility =
moderate