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Published online 16 January 2008
Published in Crop Sci 48:371-379 (2008)
© 2008 Crop Science Society of America
677 S. Segoe Rd., Madison, WI 53711 USA
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Intercropping Corn with Lablab Bean, Velvet Bean, and Scarlet Runner Bean for Forage

Kevin L. Armstronga,*, Kenneth A. Albrechtb, Joseph G. Lauerb and Heathcliffe Ridayc

a Dep. of Crop Sciences, Univ. of Illinois, 1102 S. Goodwin Ave., Urbana, IL 61801
b 1575 Linden Dr., Dep. of Agronomy, Univ. of Wisconsin-Madison, Madison, WI 53706
c U.S. Dairy Forage Research Center, USDA-ARS, 1925 Linden Dr., Madison, WI 53706. This research was partially supported by funding through USDA Cooperative State Research Education and Extension Service (CSREES) Hatch Project WIS04802


Figure 1
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Figure 1. Effect of planting beans 2 (Early) or 4 (Late) wk after planting corn on mixture dry matter yield over four environments. Means are separated with orthogonal contrasts within each bean planting date and mixture. Pairs of bars with * are different at P < 0.05.

 

Figure 2
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Figure 2. Effect of planting beans 2 (Early) or 4 (Late) wk after planting corn on corn dry matter yield over four environments. Means are separated with orthogonal contrasts within each bean planting date and mixture. Pairs of bars with * are different at P < 0.05.

 

Figure 3
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Figure 3. Effect of planting corn at a density of 82,500 plants ha–1 (normal) or a density of 55,000 plants ha–1 (low) on bean concentration in mixtures over four environments. Means are separated with orthogonal contrasts within each corn density and mixture. Pairs of bars with * are different at P < 0.05.

 





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