Enhanced Efficiency Liquid Nitrogen Fertilizer Management for Corn Production

Table 1

Average monthly soil temperature obtained from a nearby automated weather station located at the Greenley Research Center near Novelty, MO, at the 6 cm depth with soybean residue from the time of fall N application to corn harvest in each season.

Month	Soil temperature (°C)
	2010-2011	2011-2012	2012-2013
Nov	7.3	7.7	6.7
Dec	0.8	3.5	3.9
Jan	−0.3	1.4	0.9
Feb	0.3	2.5	0.9
Mar	5.5	10.2	2.1
Apr	10.7	13	9
May	16.2	19.4	16
Jun	21.7	22.6	21.2
Jul	25.8	27	23.5
Aug	24.6	23.1	28.3
Sep	19.1	19.2	22