Factors that Affect the Type of Fertilizer Application

1
Factors that Affect the Type of Fertilizer
Application

• Rooting characteristics of the plants.
• Crops demand for nutrients at various points of
  development.
• Physical and chemical characteristics of soil.

• Physical and chemical characteristics of
  fertilizer.
• Availability of soil moisture.
• Types of irrigation methods to be used.

2
Pre-plant Applications

• Broadcast
• Drop spreader.
• Pull type spreader.
• Self-propelled spreader.
• Liquid spreader.

• Injection
• Drop pipes for liquids, or tubes for dry
  fertilizers.
• All fertilizers which can be broadcasted, can
  also be injected.

3
At-planting Application

• Placement with seed.
• The fertilizer is placed in the soil at the same
  time as the seed/transplant.
• Band Placement.
• The fertilizer is placed to the side of and/or
  below the seed.

4
Post-emergence Application

• Side dressing
• Fertilizer is applied to the side of the crop
  rows.
• Top dressing
• Spreading fertilizers on the soil surface after
  crop emergence.

• Water run
• The addition of fertilizers via irrigation
  water.
• Foliar applications
• Spraying fertilizers directly onto the leaf
  surface.