Strip-till Research Results: Rotation, Automatic Guidance, and Fertilizer Placement. Tony J. Vyn & Graduate Students, Colleagues & Farmers
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1 Strip-till Research Results: Rotation, Automatic Guidance, and Fertilizer Placement Tony J. Vyn & Graduate Students, Colleagues & Farmers
2 Berms after Soybean Harvest
3 Berm Heights in Spring after Successful Strip Tillage
4 No-till vs. Strip-till Following Soybean Wanatah, IN, 2008
5 Corn Yield Response to Tillage and Planting Date in Indiana, Strip-Till No-Till Chisel 220 a a 200 b b b a 180 ab abc ab 160 c 140 Early Normal Early Normal Silty Clay, Corn-Soy Loam, Cont. Corn
6 Spring Strip-till Berms
7 Other Spring Tillage Options?
8 Spring Strip-Till vs. Turbo-Till or FC North-East Purdue Ag Center, Columbia City (2004) Turbo once Field Cultivate Strip-till Courtesy: Phil Walker and Allen County SWCD No-Till
9 Fall Strip Tillage
10 Strip-till versus No-till Corn after Wheat (Ontario)
11 Wheat Residue Effect on No-till Corn vs. Strip-till Corn 180 Centralia & Wyoming, Ontario ( ) Yield (bu/ac) Fall Strip-till No-till (not baled) No-till (baled) No-till (bare) 80 Fall Strip-till No-till (not baled) No-till (baled) No-till (bare) Opoku, Vyn & Swanton (Agron. J. 89:549)
12 Strip Tillage for Corn after Corn?
13 Strip-Till Corn after Corn Source: Norm Larson, Elburn Co-op, IL Split the middle w/o guidance
14 Surface Residue Cover (%) after Planting Loam Soil, Wanatah, IN, Soy Corn Previous Crop Chisel Striptill No-till
15 No-Till vs. Strip-till following Corn (Wanatah, IN, 2008)
16 Strip Tillage for Corn after Soybean and Corn in N. Indiana, Loam Soil ( ) Yield (bu./ac) a a a a a 180 b Fall Chisel Strip-till No-till 120 Soybean Previous Crop Corn
17 RTK Automatic Guidance
18 Precision of Planting Following Strip Tillage?
19 Row Position is Critical ON the Strip Off the Strip The Strip Source: Norm Larson, Elburn Co-op, IL
20 RTK Planting after Strip-Till (West Lafayette, 2006)
21 Maximum soil temperature at 2-inches deep in row, first 2 weeks after planting, ACRE, Strip-till RTK 2 Strip-till Visual 3 Strip-till Displaced 80 4 No-till 5 Chisel Degrees F Planting Date
22 RTK Plot Harvest 2006
23 Average Corn Yield Response to RTK Precision at West Lafayette, IN, a ab ab bc c Mean of April 11 and 27 Strip-till RTK Strip-till Visual Strip-till off 7" No-till Chisel Plow
24 RTK + Pre-plant UAN Application 2006
25 RTK Planting after Pre-plant UAN (West Lafayette, 2006)
26 RTK and Pre-plant UAN at Wanatah, IN, N at 5 versus 200 N at N at 5 (background) vs. 200 N at 0 (foreground)
27 RTK Row Position Effects on Plant Population Response to Pre-Plant UAN Rates Wanatah, IN, On-Row 5" beside 10" beside Population/acre a a a a b a a c a a 0 Zero Pre 50 Pre 100 Pre 200 Pre
28 RTK Row Position Effects on Corn Yield Response to Pre-Plant UAN Rates Wanatah, IN, Corn Yield (bu/acre) a Zero Pre On-Row 5" beside 10" beside a a a 50 Pre b a a 100 Pre c a a 200 Pre
29 Strip Tillage with Fertilizer Banding
30 Strip-till Corn Yield Results in Illinois (Mean of 11 site years ) N under Row N between Rows Source: Guebert, Hoeft et al, 2003 IL Fert. Conf. Proc. Conventional Strip-till No-till
31 ARLINGTON, WI STRIP-TILLAGE TILLAGE PROJECT Tillage/rotation study since 1997 Plano silt loam soil Strip-till till added in 2000 Cont. corn, Soybean/corn, Corn/soybean PK fertilizer: None, broadcast, deep, and row-placed at crop removal rate Summarize , strip-till till only
32 ARLINGTON SOIL TEST Year None ph Bdct. Soil test P None (ppm) Bdct. Soil test K None (ppm) Bdct Source: D. Wolkowski, University of Wisconsin, 2007
33 CORN GRAIN YIELD AS AFFECTED BY FERTILIZER PLACEMENT IN STRIP-TILL TILL Four Year Avg. ( ) None BDCT 2x2 DEEP Yield (bu/a) Cont. Corn Soybean/Corn Source: D. Wolkowski, University of Wisconsin, 2007
34 Corn Response to P Fertilizer Placement in Iowa (Malarino et al.) Grain Yield (bu/acre) Control Control + Coulter Broadcast Deep-banding Starter VL L O H VH Soil-test Classification
35 Strip Tillage with Nutrient Banding in Small-plot Research (West Lafayette, IN) Note: P 2 O 5 rate = 88 pounds/acre, and K 2 O rate = 115 pounds/acre All plots received a uniform 2 x 2 starter of (N,P,K), plus a total N rate of 250 pounds/acre.
36 Corn Response to Deep Banding at 6 Depth
37 Experimental design Field July 7, 2006 C) 1,2,3,4,5 N B)-1 B) 2 Split-split Plot Design A) Block -2005: : 6 B) Hybrid 1_ Pioneer 31N28 (119 CRM) 2_ Pioneer 31G68 (118 CRM) C) Fertility Placement 1_ Check 2_ Broadcast P+K 3_ Banded P+K 4_ Banded P 5_ Banded K (applied in the previous fall)
38 Residual Effects of Fertilizer P and K Placement in Corn on Subsequent No-till Soybean ( ) Planting 5/10/04 Soil sampling (June/04)
39 Six inch Band P and K Placement Effects on Strip-till Corn Yield (mean of 2 hybrids, ) 260 Yield (bushels/acre) b a ab ab b a b b a b a a Control Broadcast P & K Deep-Band P & K Soil-test P (0-4 ): (4-8 ): Soil-test K (0-4 ): (4-8 ):
40 Starter Fertilizer* Influence on Corn Response to Deep Banding (2007) No Starter Starter Control Broadcast Deep Band P&K Dee p Band P Dee p Band K * Starter was
41 Soil P conc. (ppm) in spring 2008 following third strip-till corn cycle for a corn-soybean rotation Control Broadcast P & K Deep Banded P & K In-row 0-4" In-row 4-8" Middle 0-4" Middle 4-8"
42 Soil K conc. (ppm) in spring 2008 following third strip-till corn cycle for a corn-soybean rotation Control Broadcast P & K Deep Banded P & K In-row 0-4" In-row 4-8" Middle 0-4" Middle 4-8"
43 Root zone optimization in Strip-till? 1. P and K fertilizer placement: Can deep-band replace broadcast altogether? Should deep-band always be in the same position? Can deep-band replace starter? Can P and K rates be lowered? Soil sampling position? 2. RTK Guidance may be beneficial for centering on the berm even when fertilizer is not deep banded. 3. Spring Pre-plant N application in the row area?
44 4. Who is going to do the Research!
45 Acknowledgments Funding: USDA-CASMGS Purdue University (Mary S. Rice & Mission Oriented Funds) Foundation for Agronomic Research (PPI or IPNI) Fluid Fertilizer Foundation John Deere & Co. Equipment: John Deere Cropping Systems Unit Case-DMI (Goodfield, IL) Remlinger (Kalida, OH) Seed: Pioneer Hi-Bred, Int.
46 Thanks! home page: //
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