Agronomy Guide 2007–2008

Tables

• Table 1.2-1. Liming material conversion.
• Table 1.2-2. Essential plant nutrients.
• Table 1.2-3. Guidelines for taking soil samples.
• Table 1.2-4. Optimum levels used to interpret the Mehlich 3 soil test for agronomic crops in Pennsylvania.
• Table 1.2-5. Fertilizer recommendations. (Not to be used in place of a soil test)
• Table 1.2-6. Nitrogen recommendations for agronomic crops.
• Table 1.2-7. Nitrogen removal by legumes.
• Table 1.2-8. Residual nitrogen contributions from legumes
• Table 1.2-9. Typical crop nutrient removal for phosphorus and potassium
• Table 1.2-10. Plant part to be sampled, sampling time, and sufficiency levels for plant tissue analysis.
• 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.

Figures

• 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.