1. T12-1 Soil Science & Management, 4E Chapter 12 Plant Nutrition

2. T12-2 Soil Science & Management, 4E Objectives Discuss nitrogen nutrition and the nitrogen cycle Discuss phosphorus nutrition Discuss potassium nutrition Answer questions about the secondary nutrients Answer questions about trace elements

3. T12-3 Soil Science & Management, 4E Terms to Know Ammonia volatilization Ammonification Chelates Chlorosis Enzymes Lodge

4. T12-4 Soil Science & Management, 4E Nitrogen The nitrogen cycle Figure 12-2

5. T12-5 Soil Science & Management, 4E Nitrogen Figure 12-4

6. T12-6 Soil Science & Management, 4E Nitrogen Forms of nitrogen in the soil Figure 12-5

7. T12-7 Soil Science & Management, 4E Nitrogen Forms of nitrogen in the soil Nitrogen deficiency Figure 12-6

8. T12-8 Soil Science & Management, 4E Phosphorus Forms of phosphorus in the soil Figure 12-8

9. T12-9 Soil Science & Management, 4E Phosphorus Movement and uptake in the soil Deficiency

10. T12-10 Soil Science & Management, 4E Potassium Forms of potassium in the soil Figure 12-11

11. T12-11 Soil Science & Management, 4E Potassium Movement in the soil Deficiencies Figure 12-12

12. T12-12 Soil Science & Management, 4E Secondary Nutrients Calcium Figure 12-13

13. T12-13 Soil Science & Management, 4E Secondary Nutrients Magnesium Figure 12-15

14. T12-14 Soil Science & Management, 4E Secondary Nutrients Sulfur Figure 12-16

15. T12-15 Soil Science & Management, 4E Trace Elements Figure 12-17

16. T12-16 Soil Science & Management, 4E Trace Elements Iron Manganese Zinc Copper Boron Molybdenum Chlorine, nickel, and others

17. T12-17 Soil Science & Management, 4E Summary Nutrients perform important tasks Understand behavior in soil Solubility and mobility important Each present in right amount