🌾 Wisconsin Fast Facts
Agriculture quick reference — USDA Census 2022
⚖️ Standard Bushel Weights
lb/bu🌽 Corn 56
🫘 Soybeans 60
🌾 Wheat 60
🌾 Oats 32
🌾 Barley 48
🌾 Rye 56
🌻 Sunflower 28
🥬 Canola 50
🌱 Flax 56
🌿 Millet 50
🫛 Dry Beans 60
🌾 Sorghum 56
🌾 Nutrient Removal Rates
lb/bu| Crop | N | P₂O₅ | K₂O | S |
|---|---|---|---|---|
| 🌽 Corn (grain) | 0.67 | 0.37 | 0.27 | 0.08 |
| 🌽 Corn Silage (/ton) | 7.7 | 3.0 | 9.0 | 1.0 |
| 🫘 Soybeans | 3.30 | 0.80 | 1.40 | 0.18 |
| 🌾 Wheat | 1.25 | 0.50 | 0.30 | 0.10 |
| 🌾 Oats | 0.65 | 0.25 | 0.20 | 0.08 |
| 🌿 Alfalfa (/ton) | 50 | 12 | 50 | 5.5 |
💡 Quick Math: 200 bu/ac corn removes ~134 lb N, 74 lb P₂O₅, 54 lb K₂O
🧮 Quick Calculators
Interactive🌾 Nutrient Removal
134N · 74P · 54K
lb/ac removed
💵 Fertilizer Cost/Acre
$65.00
Cost per Acre
🌱 Seeding Rate
34,848
Seeds per Acre
⚖️ Bushel ↔ Weight
56,000 lb
= 28.0 tons
🏗️ Bin Capacity
13,399 bu
375 tons corn
💰 Break-Even Price
$4.25
Break-Even $/bu
Need the full-featured version?
Full Break-Even Calculator →
Full Grain Bin Calculator →
🌽 Nitrogen Rate Guidelines
WICorn after Soybeans
140–160
lb N/ac
Corn after Corn
180–200
lb N/ac
Soybean Credit
40–50
lb N/ac
Alfalfa Credit
100–150
lb N/ac
⚠️ Adjust for: Manure, soil OM, irrigation, yield goal.
Contact your CCA for field-specific rates.
🌱 Recommended Seeding Rates
| Crop | Seeds/Acre | Lb/Acre | Notes |
|---|---|---|---|
| 🌽 Corn | 32,000–36,000 | — | Higher for drought-prone |
| 🫘 Soybeans | 120,000–140,000 | 50–60 | 15" or drill: 140k+ |
| 🌾 Wheat | 1.2–1.6M | 90–120 | Higher for late plant |
| 🌿 Alfalfa | — | 15–20 | Pure stand |
| 🌾 Winter Rye | — | 60–90 | Cover crop |
🏗️ Grain Storage Reference
Bin Capacity Formula
Round Bin D² × H × 0.628
Flat Storage L × W × D × 0.8
Bu per ft³ 0.8036
Safe Storage Moisture
Corn — 1 year 14%
Corn — long-term 13%
Soybeans 13%
Wheat 13.5%
Shrink Factors
Corn 20→15.5% 5.24%
Per 1% moisture~1.3%
Soy shrink formula(M−13) × 1.3
🧪 Common Fertilizer Analysis
Nitrogen Sources
Anhydrous 82-0-0
UAN 28% 28-0-0
UAN 32% 32-0-0
Urea 46-0-0
AMS 21-0-0-24S
Phosphorus Sources
DAP 18-46-0
MAP 11-52-0
TSP 0-46-0
Potassium Sources
Potash (MOP) 0-0-60
K-Mag (SOP) 0-0-22-11Mg
Cost/lb Nutrient
Formula Price ÷ (% × 20)
Urea $600/ton$0.65/lb N
DAP $700/ton $0.76/lb P₂O₅
💰 Cost/lb N formula: Price per ton ÷ (N analysis × 20). Example: Urea at $600/ton = $0.65/lb N
🔄 Unit Conversions
Area
1 acre 43,560 ft²
1 acre 0.405 ha
1 hectare 2.471 acres
1 section 640 acres
1 township 36 sections
Weight
1 short ton 2,000 lb
1 metric ton 2,205 lb
1 kg 2.205 lb
1 lb 453.6 g
Volume
1 bushel 1.244 ft³
1 gallon 8.34 lb H₂O
1 gallon 3.785 L
1 oz fluid 29.57 mL
Speed & Acres
1 mph 88 ft/min
Ac/hr mph × W ÷ 8.25
1 ac/hr ~0.4 ha/hr
Nutrient Conversions
P₂O₅ → P × 0.44
P → P₂O₅ × 2.29
K₂O → K × 0.83
K → K₂O × 1.20
Liquid Application
oz/ac → mL/ac × 29.57
pt/ac → L/ac × 0.473
qt/ac → L/ac × 0.946
gal/ac → L/ac × 3.785
💩 Manure Nutrient Values
lb/1000 gal or /ton| Source | N | P₂O₅ | K₂O | Unit |
|---|---|---|---|---|
| 🐄 Dairy (liquid) | 25–30 | 10–15 | 20–25 | /1000 gal |
| 🐄 Dairy (solid) | 10–12 | 4–6 | 8–10 | /ton |
| 🐷 Swine (liquid) | 40–50 | 25–35 | 20–30 | /1000 gal |
| 🐔 Poultry litter | 60–70 | 55–65 | 40–50 | /ton |
| 🐄 Beef feedlot | 12–16 | 8–12 | 10–14 | /ton |
⚠️ First-Year N Availability: Injected = 50–60% · Surface = 25–35%.
Always test manure samples — nutrient content varies widely.
📌 More AGSIST Tools
Need Expert Agronomy Advice?
Our CCAs create customized nutrient plans and crop insurance recommendations for farmers in Wisconsin & Minnesota.
Contact Farmers First →