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Agronomy Guide

Extension » Agronomy Guide » Crop and Soil Management » Tables

Tables

Table 1.1-1. Selected properties and typical capabilities of major Pennsylvania soils.

Table 1.1-2. Ideal soil bulk densities and root growth limiting bulk densities for soils of different textures.

Table 1.1-3. Crop residue production of different crops in rotation.

Table 1.1-4. Pennsylvania tillage practices by crop, 2007.

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 contribution 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. Description 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 m

Table 1.2-16. manure spreader rate calibration

Table 1.2-17. Determining manure spreader capacity.

Table 1.2-18. Nonconventional soil additives

Table 1.3-1. Effects of moisture content in seeds

Table 1.3-2. Products registered for insect control in on-farm stored grain

Table 1.4-1. Approximate relative maturity rating and growing degree days available for Pennsylvania corn maturity zones

Table 1.4-2. Example of adjusting plant nutrient recommendations for manure applications

Table 1.4-3. Example of adjusting plant nutrient recommendations for previous crop

Table 1.4-5. Effects of method and time of nitrogen application

Table 1.4-6. Corn yield response on high-P soils from starter fertilizer, three-year data

Table 1.4-7. Average yields of corn as affected by crop rotation over a five-year period

Table 1.4-8. Estimated grain yields for various planting dates and population rates. Figures shown are most applicable to fields with less than 125 bushels per acre

Table 1.4-8A. Estimated grain yields for various planting dates and population rates

Table 1.4-8B. Estimated grain yields for various planting dates and population rates

Table 1.4-9. Corn planting and plant population guide

Table 1.4-10. Length of row equal to 1/1,000 acre

Table 1.4-11. Whole plant moisture relative to stage of kernel development

Table 1.4-12. Kernal/ear moisture relationship

Table 1.4-13. Weight of corn (shelled and ear) to equal 56 lb (1 bu) shelled corn at 15.5 percent moisture

Table 1.4-14. Average field losses due to delayed harvest from tests in Illinois, Indiana, Iowa, and Nebraska over several seasons

Table 1.6-1. Seeding rates and plant population estimates for soybean

Table 1.6-2. Conversion factors for calculating plant populations per acre from plant counts inside a hoop

Table 1.6-3. Yield potential of reduced stands

Table 1.6-4. Yield response of full-season soybean to deficient stands

Table 1.6-5. Approximate yield response of soybean to changes in planting date

Table 1.6-6. Soybean growth stage descriptions

Table 1.7-1. Description of public spring oat varieties

Table 1.7-2. Spring nitrogen recommendations for small grains

Table 1.7-3. Small grain seed or plant densities expressed on a basis of square foot, plants per acre, or seeds per foot of row.

Table 1.8-1. Chemical composition of legumes and legume-grass mixtures at advancing stages of maturity

Table 1.8-2. Developmental stages of legumes and grasses

Table 1.8-3. Characteristics of some perennial forages grown in the northeastern United States

Table 1.8-4. Relative maturity of several perennial forage species and varieties

Table 1.8-5. Recommended forage mixtures and seeding rates

Table 1.8-6. Suggested pasture components for different grazing purposes

Table 1.8-7. Animal units of various species and classes of livestock

Table 1.8-8. Estimates of acreage required to provide forage needs for one animal unit, assuming 70 percent pasture utilization

Table 1.8-9. Suggested paddock sizes (A/animal unit) based on grazing period and available pasture in intensive rotational grazing system

Table 1.8-10. Typical paddock rest periods of rotational grazing systems

Table 1.10-1. Typical aboveground biomass production and nitrogen contribution of some cover crops and cover crop mixtures in southern Pennsylvania

Table 1.10-2. Some C:N ratios of cover crops

Table 1.10-3. Rhizobium inoculant types for leguminous species to obtain nitrogen fixation

Table 1.10-4. Seeding rate and aboveground biomass production of cover crops broadcast into standing soybean crop at time of first leaf drop (Lancaster County, 1999-2001)

Table 1.10-5. Effect of termination technique of rye cover corp on corn yields (five-year averages, Virginia)

Table 1.10-6. Characteristics of common cover crops

Table 1.11-1. Organic crop production foundation principles and practices

Table 1.11-2. Effect of Matran II (34 percent clove oil) application rate on annual weed control three and ten days after application

Table 1.11-3. Herbicides listed by Organic Materials Review Institute (OMRI) or by manufacturer for use in organic production as of October 15, 2008

Table 1.12-1. Corn grain after soybeans production budgets

Table 1.12-2. Corn grain after corn production budgets

Table 1.12-3. Corn silage production budgets

Table 1.12-4. Small grain production budgets (no-till practices)

Table 1.12-5. Full-season soybean and double-crop production budgets

Table 1.12-6. Alternative field crop production budgets (no-till practices)

Table 1.12-7. Alfalfa establishment and production budgets

Table 1.12-8. Grass hay establishment and production budgets

manure-calculations.pdf

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