13 drop tube extension with nh3, 14 placing phosphate fertilizer with seed – Seed Hawk TOOLBAR 2010 User Manual
Page 45

Seed Hawk Manual
Tool Bar
Page 42
4.13 DROP TUBE EXTENSION with NH3
 
The delivery drop tube should extend 0.5 in (13 mm) past the stainless steel clips. 
This will prevent mud from freezing to the fertilizer knife. 
 
IMPORTANT: Seed Hawk assumes no responsibility if seedling damage 
is caused by anhydrous ammonia burn. The operator is responsible for 
checking and setting the seeder in all field conditions. 
 
 
 
4.14 PLACING PHOSPHATE FERTILIZER WITH SEED
 
IMPORTANT: Seed Hawk does not recommend placing phosphate 
fertilizer directly with the seed. 
 
The Seed Hawk Drill double-shoot system is designed to place seed away from 
the complete blend of fertilizer. However, if anhydrous ammonia or liquid 
nitrogen is applied, there may be a temptation to blend dry or granular fertilizer 
with the seed. High levels of phosphate fertilizer placed in close proximity to the 
seed will cause seedling damage. Oilseeds and pulse crops are the most 
sensitive to phosphate burn. 
