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AGVISE Laboratories %Zone or Grid Samples – Northwood laboratory 1997 - 2011. % Grid or Zone Samples Tested Compared To Conventional Whole Field Composite Samples Tested. AGVISE Laboratories % Zone or Grid Samples Tested Compared to Conventional Whole Field Composite Samples in 2011.
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AGVISE Laboratories%Zone or Grid Samples – Northwood laboratory1997 - 2011 % Grid or Zone Samples Tested Compared To Conventional Whole Field Composite Samples Tested
AGVISE Laboratories%Zone or Grid Samples Tested Compared to Conventional Whole Field Composite Samples in 2011
Average Soil Nitrate following Wheat in 2011 MB Fall 2011 Samples 41 (lb/a 0-24” samples) 56 38 46 39 49 33 42 37 40 44 39 35 ND 48 44 40 29 47 42 56 MN 49 55 SD 34 45
Average Soil Nitrate following Wheat in 2011 (change from 2010 averages – More high testing fields) MB Fall 2011 Samples +3 (lb/a 0-24” samples) +18 +10 +12 +14 +7 +3 +7 +5 +13 +15 +5 +2 ND +12 +11 +6 0 +15 +12 +9 MN +9 +13 SD 0 +2
Soil Nitrate Variability Between Fields Following “WHEAT” in 2011
Average Soil Nitrate Following “WHEAT” 1986-2011 107 96 81 68 64 Nitrate-N (0-24”) 61 60 60 59 56 54 53 50 48 46 46 44 43 42 41 40 38 35 35 32 29 86 88 90 92 94 96 98 00 02 04 06 08 10 2011
Average Soil Nitrate Following Wheat For Region (1986-2011)Deep “N” (24-48” lb/a) 63 59 53 51 49 46 44 43 41 Nitrate-N (24-48” lb/a) 35 36 34 32 31 29 29 29 27 20 19 18 18 18 15 14 13 86 88 90 92 94 96 98 00 02 04 06 08 10 2011
Soil Nitrate Variability Between Fields Following “Barley” in 2011
Average Soil Nitrate Following “BARLEY 1986-2011 95 84 70 Nitrate-N (0-24” lb/a) 56 53 53 52 50 48 47 45 45 43 41 40 39 39 37 35 35 35 34 30 29 29 27 86 88 90 92 94 96 98 00 02 04 06 08 10 2011
Soil Nitrate Variability Between Fields Following “Sunflower” in 2011
Average Soil NitrateFollowing “SUNFLOWER” 1986- 2011 101 82 Nitrate-N (0-24” lb/a) 70 55 50 50 50 50 49 48 48 47 46 47 44 44 43 43 40 34 33 32 30 27 25 22 86 88 90 92 94 96 98 00 02 04 06 08 10 2011
Soil Nitrate Variability Between Fields Following “Dry Beans” 2011
Average Soil Nitrate Following “DRY BEANS” 1986-2011 102 100 78 Nitrate-N (0-24” lb/a) 72 70 66 65 65 61 61 58 58 57 55 53 53 52 51 49 46 46 44 41 38 35 34 86 88 90 92 94 96 98 00 02 04 06 08 10 2011
Soil Nitrate Variability Between Fields Following “Sugarbeet” in 2011
Average Soil NitrateFollowing “SUGARBEET” 1986- 2011 53 48 47 Nitrate-N (0-24” lb/a) 30 25 25 25 25 23 22 22 22 21 21 21 21 20 20 19 18 17 17 16 16 15 13 86 88 90 92 94 96 98 00 02 04 06 08 10 2011
Soil Nitrate Variability Between Fields Following “Fallow” in 2011
Average Soil Nitrate Following “FALLOW” 1986-2011 149 143 128 119 102 98 93 85 84 81 80 79 79 75 Nitrate-N (0-24” lb/a) 69 67 66 62 60 60 59 58 55 50 48 46 86 88 90 92 94 96 98 00 02 04 06 08 10 2011
Soil Nitrate Variability Between Fields Following “Soybeans” in 2011
Average Soil Nitrate Following “SOYBEAN” 1995-2011 35 35 33 32 31 31 30 30 29 29 27 28 27 27 26 Nitrate-N (0-24” lb/a) 24 23 95 96 97 98 99 00 01 02 03 04 05 06 07 08 09 2010
Average Soil Nitrate following Corn in 2011 Fall 2011 samples MB (lb/a 0-24” samples) 49 46 70 43 55 33 33 ND 43 29 35 33 38 39 35 39 MN 47 42 SD 42 46 62
Average Soil Nitrate following Corn in 2011 (Change from 2010 averages) Fall 2011 samples MB (lb/a 0-24” samples) +1 +12 +22 +14 +17 +3 +4 ND -3 +2 0 +1 -1 -18 0 -13 MN -13 -8 SD -8 -5 -7
Soil Nitrate Variability Between Fields Following “Corn” in 2011
% Soil Samples with Phosphorus less than 10 ppm Fall 2011 samples MB 43% (0-6” samples) 38% (Olsen P test) 50% 53% 21% 60% 28% 29% 34% 83% 77% 77% 60% 64% 72% ND 53% 59% 71% 65% 74% 37% 66% MN 46% 55% 36% SD 29% 43% 63% 46% 36%
% Soil Samples with Phosphorus less than 10 ppm “Percentage Change from 2010”(More low testing fields) Fall 2011 samples MB 0 (0-6” samples) 0 (Olsen P test) -6% +20% +6% +7% +8% +9% +4% +1% +2% -3% +5% -12% +3% ND -3% +7% -3% +2% +7% +1% +2% MN +1% +6% +1% SD +4% +3% +2% -3%
% Soil Samples with Potassium less than 150 ppm MB Fall 2011 samples 29% 8% (0-6” samples) 28% 28% 20% 3% 13% 23% 15% 3% 5% 2% 15% 74% 35% ND 7% 24% 79% 6% 51% 6% 54% 1% 5% 28% MN 32% SD 40% 0% 5% 29% 43%
% Soil Samples with Zinc less than 1.0 ppm MB Fall 2011 samples 33% 55% (0-6” samples) 53% 28% 66% 48% 31% 37% 88% 74% 80% 52% 72% 49% ND 52% 22% 85% 65% 64% 72% 22% 82% 55% MN 64% 32% SD 36 72% 47% 40% 38%
% Soil Samples with Sulfur less than 15 lb/a MB Fall 2011 samples 9% 14% (0-6” samples) 18% 3% 14% 11% 26% 8% 14% 63% 25% 31% 12% 40% 13% ND 34% 53% 17% 43% 23% 66% 55% 32% MN 63% 22% 49% SD 37% 75% 67% 22% 51%
% Soil Samples with %OM less than 3.0% MB Fall 2011 samples 6% 6% (0-6” samples) 13% 8% 35% 9% 30% 8% 22% 67% 31% 37% 19% 19% 29% ND 21% 53% 82% 22% 25% 32% 31% 50% MN 26% 10% 8% SD 14% 28% 5% 20% 8%
% Soil Samples with Chloride less than 40 lb/a MB Fall 2011 Samples 59% (0-24” samples) 46% 61% 66% 21% 79% 64% 43% 44% 96% 73% 82% 47% 32% ND 78% 92% 57% 67% 94% 81% 92% 51% MN 69% 89% SD 48% 89%
% Soil Samples with Copper less than 0.5 ppm MB Fall 2011 samples 13% 2% (0-6” samples) 15% 8% 22% 3% 8% 3% 12% 2% 17% 3% 12% 27% 30% ND 7% 45% 10% 20% 17% 9% 21% 11% 7% MN 4% 5% SD 1% 2% 4% 0%
% Soil Samples with Boron less than 0.4 ppm MB Fall 2011 samples 0% (0-6” samples) 1% 4% 0% 10% 2% 1% 5% 3% 8% 26% 5% ND 3% 13% 42% 88% 4% 17% 58% 21% 19% MN 20% SD 15% 7% 30%
% Soil Samples with Salts greater than 1.0 MB Fall 2011 Samples 11% 21% (0-6” samples) 18% 19% 33% 11% 7% 14% 21% 2% 15% 7% 36% 20% 4% ND 7% 3% 0% 1% 24% 18% 1% 3% 22% MN 9% 4% SD 1% 1% 4% 11% 2%
% Soil Samples with Salts greater than 1.0 “% Change from 2010” (more high salt fields) MB Fall 2011 Samples +5% +12% (0-6” samples) +2% +9% +10% +4% -1% +9% -1% +6% 7% +10% -3% +7% ND 0% +1% 0% +1% +10% +8% 0% +3 +8% MN +3 +1% SD 1% 1% -3% +6% +1%
% Soil Samples with Soil pH greater than 7.3 MB Fall 2011 samples 74% 96% (0-6” samples) 82% 63% 80% 68% 73% 76% 75% 75% 56% 80% 65% 96% ND 38% 5% 69% 42% 82% 40% 64% 17% 23% MN 33% 58% SD 21% 26% 25% 30% 20%
% Soil Samples with Carbonate greater than 5.0% MB Fall 2011 samples 22% (0-6” samples) 35% 38% 18% 25% 8% 13% 43% 13% 9% 3% 22% 24% ND 5% 8% 25% 6% 5% 1% MN 6% 32% SD 1% 10% 5%