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Illinois Fertilizer Conference Proceedings
January 26-28, 2006

Home 2006 Index Search

Table 6. Effects of Mn treatment on soybean yield,
leaf Mn level, and flash rating, 2005.
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Roundup
rate		 RW MN NH Ave. BR-L† BR-UL DS-L DS-UL Ave.
 
Soybean Yield (bu/acre)
Check
67.0
64.5
43.5
 58.3
50.4
46.0
42.2
45.2
46.0
Pre RU
68.6
66.2
43.4
 59.4
 
 
 
 
 
Soil
68.2
65.0
44.4
 59.2
50.8
47.5
48.1
48.4
48.7
Post RU
64.2
66.8
43.5
 58.2
51.5
45.9
45.1
44.8
46.8
LSD
NS
NS
NS
  
NS
NS
NS
NS
 
Trifoliate Leaf Mn (ppm)
Check
34
47
62
 48
106
94
75
85
90
Pre RU
33
53
58
 48
 
 
 
 
 
Soil
36
46
63
 48
81
81
80
92
84
Post RU
224
58
178
 153
81
124
85
109
100
LSD
***
NS
***
  
NS
NS
NS
NS
"Flash"(5=no injury, 1 = severe yellowing)
Check
 
3.8
 
  
 
Data
Not
Collected
 
Pre RU
 
3.8
 
  
 
 
Soil
 
3.8
 
  
 
 
Post RU
 
3.8
 
  
 
LSD   NS          

† L = limed, UL = unlimed.
‡ Only P.94B74 used for BR and DS

 

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