Section 2: Soil Fertility Management
Soil Fertility Management
- Soil Fertility Management
- Plant Nutrients
- Soil testing
- Diagnosing problems
- Typical Plant Nutrient Recommendations
- Lime and Fertilizer Sources
- Fertilizer Materials
- Manure Nutrient Management
- Nonconventional Soil Additives
- Table 1.2-1. Essential plant nutrients.
- Table 1.2-2. Guidelines for taking soil samples.
- Table 1.2-3. Optimum levels used to interpret the Mehlich 3 soil test for agronomic crops in Pennsylvania.
- Table 1.2-4. Fertilizer recommendations. (Not to be used in place of a soil test).
- Table 1.2-5. Nitrogen recommendations for agronomic crops.
- Table 1.2-6. Residual nitrogen contributions from legumes.
- Table 1.2-7. Nitrogen removal by legumes.
- Table 1.2-8. Typical crop nutrient removal for phosphorus and potassium.
- Table 1.2-9. Plant part to be sampled, sampling time, and sufficiency levels for plant tissue analysis.
- Table 1.2-10 Liming material conversion
- Table 1.2-11. Descriptions of fertilizer materials.
- Table 1.2-12. Nitrogen conversion—approximate pounds of materials required per acre to supply rates of nitrogen recommended per acre.
- Table 1.2-13. Average daily production and total nutrient content of manure.
- Table 1.2-14. Manure nitrogen availability factors for use in determining manure application rates based on planning conditions.
- Table 1.2-15. Factors for calculating manure nitrogen availability based on time of application, incorporation, field history, and manure analysis with ammonium and organic N fractions. Recommended for all manures, but required for atypical or treated manures.
- Table 1.2-16. Manure spreader rate calibration.
- Table 1.2-17. Determining manure spreader capacity.
- Table 1.2-18. Nonconventional soil additives.
- Figure 1.2-1. Effect of aglime fineness on speed of reaction.
- Figure 1.2-2. Relative mobility of essential plant nutrients in the soil.
- Figure 1.2-3. Sample of agronomic soil test report.
- Figure 1.2-4. Soil test information sheet.
- Figure 1.2-5. Yield response curve illustrating the soil test interpretation levels.
- Figure 1.2-6. Changes in soil test levels over time.
- Figure 1.2-7. Penn State manure analysis report.
D. B. Beegle, distinguished professor of agronomy, Department of Crop and Soil Sciences