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Principles of Soils Quiz

Select the Definition/Answer that corresponds to the displayed Term/Question.
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1. heavy precipitation =




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2. pH




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3. What element is essential for Nitrogen-Fixation by Legumes?




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4. What is salt?




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5. What are some of the main ways soils become acidic?




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6. What is the importance of soil pH?




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7. Plant Nutrients Availability




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8. How is salinity measured?




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9. In what ways is salinity stress similar to draught?




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10. Soil Test = Cation Exchange Capacity




Select the Term/Question that corresponds to the displayed Definition/Answer.
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11. install subsurface till drainage




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12. anions




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13. the basic rule; may need to grow salt-tolerant crop until process in complete




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14. high concentration of sodium (Na)




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15. ammonium/ammonium phosphate




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16. soil reaction (pH) is an indication of the acidity/basicity of the soil; at pH 7, Hydrogen ion concentration equals the hydroxyl ion concentration




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17. Boron, Chloride, Copper, Iron, Manganese, Molybdenum, Zinc, Nickel




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18.  Poor Drainage; Shallow Water Table; Seepage Zones; Parent Materials




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19. damage cell mechanisms




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20. basic compounds removed by harvest





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