Back to Basics Soil Fertility Quiz-Fall 2001

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Fall 2001

Q - To produce at optimum yields, all crops must have an adequate supply of all of the ___ essential plant nutrients.

a. 10
b. 16
c. 98

Q - Phosphorus (P) is highly mobile in plants and when deficient it may be translocated from old plant tissue to ___.

a. The sky
b. The soil
c. Young, actively growing areas

Q - Crops seldom absorb more than ___ percent of fertilizer phosphorus (P) during the first cropping season after application.

a. 1%
b. 20%
c. 50%

Q - Potassium (K) is known as the "___" nutrient.

a. Forgotten
b. Groovy
c. Quality

Q - ___ management is the major consideration in developing a potassium (K) fertilization program.

a. Time
b. Harvest
c. Money

Q - Potassium is mined from a number of minerals. Which mineral source is 100% water-soluble and essentially chloride free?

a. Sylvinite
b. Sylvite
c. Langbeinite (K-Mag®)
d. Kryptonite

Q - This cartoon illustrates the loss of nitrogen (N) due to what?

a. Lunar gravity
b. Alien abduction
c. Denitrification

Q - A comprehensive nutrient management plan should involve the assistance of who to develop recommendations and eventually implement the plan?

a. The farmer
b. The fertilizer dealer
c. Crop consultants or other advisors
d. All of the above

Q - Local dealers and farmer customers should consider forming a BMP Club. During these club sessions, farmers learn how to implement ___.

a. Better Methods of Productivity
b. Best Management Practices
c. Big Money Principles

Q - BMPs for increasing nutrient efficiency begins with using an adequate and balanced supply of the essential plant nutrients applied in an accurate and timely fashion. Integration of BMPs increases crop yield potential, input efficiency and improves profit potential. Which is not a BMP?

a. Using historical records and yield monitors to set realistic yield goals, which are at least 5 to 25 percent above average.
b. Banding phosphorus on high phosphorus-fixing soils to increase efficiency.
c. Using conservation tillage systems in conjunction with agronomic BMPs to help control erosion and to keep the soil and nutrients in place.
d. Meeting with psychic to determine soil fertility needs.

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