Winter Annual Weed Response to Nitrogen Sources and Application Timings prior to a Burndown Corn Herbicide

Table 2

Mean monthly air temperature and total monthly precipitation at Novelty from 2006 to 2010, and 10-year average (2001 to 2010).

Month	Air temperature						Precipitation
	2005-2006	2006-2007	2007-2008	2008-2009	2009-2010	10-yr average	2005-2006	2006-2007	2007-2008	2008-2009	2009-2010	10-yr average
	°C						mm
Oct.	12.6	10.4	14.4	12.1	9.2	12.0	85	60	86	77	225	98
Nov.	6.6	6.5	5.3	4.6	8.4	6.0	34	54	20	39	65	44
Dec.	−2.8	1.8	−2.4	−3.6	−2.6	−1.5	23	64	48	59	44	41
Jan.	2.7	−2.2	−3.3	−5.0	−6.8	−2.9	54	21	20	0	43	30
Feb.	−1.1	−4.8	−4.0	0.3	−5.5	−1.8	2	68	99	42	23	49
Mar.	5.6	9.2	4.0	6.1	5.9	5.2	72	124	78	132	53	68
Apr.	14.5	10.0	10.0	10.6	14.9	12.5	62	106	116	121	146	109
May	17.0	19.2	15.5	16.9	16.8	17.0	65	141	112	170	160	141