%0 Journal Article
%T Field Apparatus for Knife Injection of Nitrogen‐15‐Labeled Liquid Anhydrous Ammonia
%A Vanden Heuvel, R. M.
%A Harrold, S.
%J Soil Science Society of America Journal
%V 55
%N 2
%P 531-534
%@ 0361-5995
%D 1991-03-01
%I Wiley Subscription Services, Inc., A Wiley Company
%~ DeepDyve