相同条件下，尿素氨挥发损失为28.0%，硫硝酸铵氨挥发损失为12.5%，比尿素少15.5个百分点。
And the percentage ammonia loss was 12.5 % from ammonium sulphate nitrate , while 28.0 % from urea the same condition .
硫硝酸铵