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 Wind Erosion and Water Conservation Research: Lubbock, TX
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ARS Home Plains Area Lubbock, Texas Cropping Systems Research Laboratory Wind Erosion and Water Conservation Research Research Publications at this Location





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Title:   Author  item
                                            Acosta-Martinez, Veronicaitem
                                            Zobeck, Teddyitem
                                            BOOKER, JILL - TAESitem
                                            Upchurch, Dan
  Submitted to: World Cotton Research Conference Proceedings
                                    Publication Type: Proceedings
                                    Publication Acceptance Date: 9/10/2007
                                    Publication  Date: 9/14/2007
                                    Citation: Acosta Martinez, V., Zobeck, T.M., Booker, J., Upchurch, D.R. 2007. Managing soil properties through dryland cropping system intensities [abstract]. World Cotton Research Conference, September 10-14, 2007, Lubbock, Texas.Interpretive Summary:
                                Technical Abstract: The transition from irrigated to dryland production is imminent for the Southern High Plains region due to the minimum recharge occurring to the Ogallala aquifer.  Thus, a long-term dryland study was established on USDA-ARS farmland near Lubbock, Texas in 2003 to evaluate the ability of different cropping systems to modify the properties of semiarid soils including the potential of these soils as a water storage-reservoir for crop production.  After 3 yrs, rotations with a winter cover crop such as cotton (Gossypium hirsutum)-rye (Secale cereale)-sorghum (Sorghum bicolor) and haygrazer (alfalfa-sorghum hybrid, Sorghum bicolor L.)-rye demonstrated higher soil microbial populations (1.7 times higher) and enzyme activities of C and P cycling (up to 2 times higher) compared to continuous cotton or cotton-sorghum.  Soil organic mater was higher under hay-rye rotation compared to the other cropping systems.  Water infiltration rates were higher among cropping systems under no-tillage compared to conventional tillage.  Although there have been rapid improvements in soil properties, total weight and lint of cotton have been similar in continuous monoculture compared to the rotations.


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