Example: barber
Fertilizer Points And Knives
Found 1 free book(s)Tillage Equipment - USDA
www.nrcs.usda.govFertilizer Application - Anhydrous Ammonia In the midwest anhydrous ammonia comprises the majority of commercial nitrogen application. Anhydrous ammo-nia must be injected into the soil. This is commonly done with narrow knives attached to a tool bar pulled by a tractor. Precise application is impor-tant from economic and environmental perspectives.