It is almost time, but not quite yet, that anhydrous ammonia (NH3) applications could begin (remember 50○F and continued cooling 4-inch soil temperature, and the colder the better). However, some areas of Iowa have dry soils this fall. Can anhydrous ammonia be applied to dry soil? Will it be held in dry soil?
Can anhydrous ammonia be applied to dry soils?
By: Clarke McGrath
It’s NH3 season, so here are some safety reminders from a guy who has seen how badly NH3 can injure people, first-hand. We work around it so much that sometimes we forget how caustic and dangerous it is.
It is almost time that anhydrous ammonia (NH3) applications could begin, however, many soils in Iowa are quite dry this fall. So, can anhydrous ammonia be applied to dry soil? Will it be held in dry soil?
Fact or fiction? Anhydrous ammonia application should not exceed 10 lb N per unit soil CEC. Does this limit work or make sense for ammonia applications?
