1. University of Nebraska–Lincoln Know how. Know now. 4-H Crop Science Trivia How much do you know about Nebraska’s crops?

2. University of Nebraska–Lincoln Know how. Know now. Native Americans were the first to grow “maize” in this country. What is another name for “maize”?  Wheat  Corn  Soybeans  Alfalfa

3. University of Nebraska–Lincoln Know how. Know now. What is produced from corn and used to fuel vehicles?  Oil  Ethanol  Biodiesel  Sugar

4. University of Nebraska–Lincoln Know how. Know now. Swine feed, cooking oil, candles, crayons, biodiesel, printing inks are all made from this crop…  Wheat  Corn  Soybeans  Alfalfa

5. University of Nebraska–Lincoln Know how. Know now. Soil is composed of four things: Organic Matter, Air, Mineral Particles and _____  Water  Manure  Compost  Crops

6. University of Nebraska–Lincoln Know how. Know now. What are the three major particles in soil?  Sand, Silt, Water  Water, Clay, Silt  Sand, Silt, Air  Sand, Silt, Clay

7. University of Nebraska–Lincoln Know how. Know now. Why is residue from crops important to the soil?  Reduces Erosion  Improves Organic Matter  Helps reduce water loss from evaporating out of the soil  All of the Above

8. University of Nebraska–Lincoln Know how. Know now. What source of water does Nebraska primarily rely on for irrigation?  Rain Fall  Lakes  Ground Water  Rivers

9. University of Nebraska–Lincoln Know how. Know now. What are two methods of irrigation primarily used in Nebraska?  Pivot & Gravity  Gravity & Sub-surface  Sub-surface & Gravity  Pivot & sub-surface

10. University of Nebraska–Lincoln Know how. Know now. The process which water is passed through leaves of the plant (transpiration) into the atmosphere in the vapor form, and where water is evaporating off of the soil and plant leaves.  Transpiration  Evaporation  Evapotranspiration or ET  Dehydration

11. University of Nebraska–Lincoln Know how. Know now. This oil is the most widely used edible oil in the United States; you can find it in mayonnaise, salad dressing, process cheese products, dessert frostings and much more.  Canola Oil  Corn Oil  Soybean Oil  Sunflower Oil

12. University of Nebraska–Lincoln Know how. Know now. Farmers grow corn on every continent except _______.  South America  Europe  Asia  Antarctica

13. University of Nebraska–Lincoln Know how. Know now. Farmers receive approximately ___ cents (or less) from each loaf of bread sold.  10  20  5  40

14. University of Nebraska–Lincoln Know how. Know now. What are the three nutrients (macronutrients) most important in crop production?  Nitrogen, Sulfur, Potassium  Nitrogen, Phosphorous, & Potassium  Phosphorous, Potassium, & Sulfur  Sulfur, Magnesium, & Nitrogen

15. University of Nebraska–Lincoln Know how. Know now. This person is an expert in soil management and field-crop production and works with farmers to manage crops  Agronomist  Banker  Crop Insurance Agent  Marketing Consultant

16. University of Nebraska–Lincoln Know how. Know now. List two careers working to specifically help teach people about crop and plant science.  Banker, Insurance Agent  Agronomist, Sales Manager  Ag Teacher, Extension Educator/Assistant  Seed Dealer, Researcher

17. University of Nebraska–Lincoln Know how. Know now. This nutrient can accumulate in groundwater where irrigation is intense by leaching into the soil profile & cause problems with drinking water  Phosphorous  Potassium  Calcium  Nitrogen

18. University of Nebraska–Lincoln Know how. Know now. More than 96 billion pounds of edible "surplus" food is thrown away in the U.S. each year. It is estimated that almost _____% of our food supply is wasted.  27%  20%  10%  Less than 5%

19. University of Nebraska–Lincoln Know how. Know now. On average, how many pounds of soybeans are in one bushel?  40 pounds  56 pounds  60 pounds  70 pounds

20. University of Nebraska–Lincoln Know how. Know now. Today, each U.S. farmer produces food and fiber for ____ people in the United States and abroad.  50  105  155  205

21. University of Nebraska–Lincoln Know how. Know now. An average ear of corn has ____ kernels.  400  600  800  1000

22. University of Nebraska–Lincoln Know how. Know now. One acre is about the size of ______.  Football Field  Ping Pong Ball Table  Volleyball Court  2 Football Fields

23. University of Nebraska–Lincoln Know how. Know now. Often called a silent yield robber for soybeans, this pest is very small and feeds on the roots of plants.  Bean Leaf Beetle  Aphids  Wooly Bear Caterpillar  Soybean Cyst Nematode

24. University of Nebraska–Lincoln Know how. Know now. Farmers and ranchers provide food and habitat for _____% of the nations wildlife.  25%  40%  55%  75%

25. University of Nebraska–Lincoln Know how. Know now. A malfunction of a host or host tissues in response to a continuous irritation by a pathogenic agent or an environmental factor leading to symptoms is called a  Disease  Symptoms  Insect Infestation  Weed Infestation

26. University of Nebraska–Lincoln Know how. Know now. This disease in soybeans will show mottling and mosaic of the leaves; later, leaf tissue between the major veins turns yellow, then dies and turns brown. There may be small, light blue patches on the taproot’s surface near the soil line  Brown Spot  Bacterial Blight  Sudden Death Syndrome  Brown Stem Rot

27. University of Nebraska–Lincoln Know how. Know now. This corn disease is the development of dark green to black discontinuous water-soaked spots, sometimes called ‘freckles’ because of their appearance, near the edges of expanding lesions. The bacteria can also ‘ooze’ on the surfaces of the leaf.  Gray Leaf Spot  Common Rust  Southern Rust  Goss’s Bacterial Wilt & Leaf Blight

28. University of Nebraska–Lincoln Know how. Know now. Native Americans were the first to grow “maize” in this country. What is another name for “maize”?  Wheat  Corn  Soybeans  Alfalfa

29. University of Nebraska–Lincoln Know how. Know now. How many acres (43,560 square feet) of soybeans can produce 82,368 crayons?  Three  Five  Ten  One

30. University of Nebraska–Lincoln Know how. Know now. What are the four parts of a kernel of corn?  Endosperm, Pericarp, germ, black layer  Pericarp, germ, black layer, milk line  Tip Cap, germ, black layer, endosperm  Endosperm, pericarp, tip cap, germ

31. University of Nebraska–Lincoln Know how. Know now. What are the two classes of wheat grown in Nebraska? a. Hard red winter wheat, Hard white winter wheat b. Hard red spring wheat, Hard red winter wheat c. Hard white wheat, Soft red winter d. Soft white & Soft red wheats

32. University of Nebraska–Lincoln Know how. Know now. A bushel of wheat weighs about _____ pounds and contains about one million kernels.  40 pounds  50 pounds  60 pounds  70 pounds

33. University of Nebraska–Lincoln Know how. Know now. When are sugar beets planted in Nebraska?  Early Spring  Early Summer  Early Fall  Early Winter

34. University of Nebraska–Lincoln Know how. Know now. Nebraska currently ranks ___ in the U.S. in sugar beet production & generally ranges between 45,000-60,000 acres planted per year.  3 rd  6 th  8 th  11 th

35. University of Nebraska–Lincoln Know how. Know now. Extension is a Division of the Institute of Agriculture and Natural Resources at the University of Nebraska– Lincoln cooperating with the Counties and the United States Department of Agriculture. The 4-H Youth Development program abides with the nondiscrimination policies of the University of Nebraska–Lincoln and the United States Department of Agriculture.