Iowa and Agriculture

1
Iowa and Agriculture

• Introduction

2
Iowas Agriculture -2003

• Livestock
• Hogs 1st
• Eggs 1st
• Milk 12th
• Sheep 9th
• Principal Crop Area 1st
• Corn production 1st (1.8 billion bu)
• Soybean production 2nd (337 million bu)
• Alfalfa Hay 4th
• Total Value of Agriculture 3rd

3
Iowa Landscape

• Intensive agriculture with corn and soybean
  predominant crop
• Corn 72,756 farms
• Soybean 59,945 farms
• Hogs 31,790 farms
• Dairy 5,878 farms
• Poultry 2,633 farms

4
Iowa Cropland
5
Livestock Facilities
6
Emissions from Manure Storage
7
Spatial Patterns within Fields
Dallas South
EM-38 Yield
Reflectance
8
NDVI Data- August
Population rates are evident
9
NDVI Data - September
N rates are more evident than the population rates
10
Carbon Cycle

• Grain produced on farms is fed to livestock for
  meat, eggs, or milk
• Product is exported for consumption
• Manure is applied to land area as a nutrient
  resource
• Tillage systems are predominantly fall-chisel
  with spring operations, reduced tillage on less
  than 10 of cultivated area