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- Author:
- Mikha, Maysoon M., et al. ; Obour, Augustine K.; Holman, Johnathon D.; Show all 3 Authors
- Source:
- Communications in soil science and plant analysis 2018 v.49 no.16 pp. 1953-1975
- ISSN:
- 1532-2416
- Subject:
- Sorghum bicolor; Triticum aestivum; calcium; conventional tillage; dryland farming; fallow; fertilizer rates; magnesium; nitrogen; nitrogen fertilizers; no-tillage; phosphorus; soil; soil nutrients; soil organic carbon; winter wheat
- Abstract:
- ... Long-term studies are valuable in assessing the impact of crop management practices on soil sustainability and function. This study used two calculation scenarios, fixed depth and Equivalent Soil Mass (ESM) to assess (i) soil nutrient status and (ii) soil organic carbon (SOC) after 50 years of nitrogen (N) fertilizer application rates (0, 22, 45, and 67 kg N ha⁻¹) and tillage [clean tillage (CT), ...
- DOI:
- 10.1080/00103624.2018.1492599
- http://dx.doi.org/10.1080/00103624.2018.1492599
- Author:
- Mikha, Maysoon M., et al. ; Obour, Augustine K.; Holman, Johnathan D.; Stahlman, Phillip W.; Show all 4 Authors
- Source:
- Geoderma 2017 v.308 pp. 46-53
- ISSN:
- 0016-7061
- Subject:
- Sorghum bicolor; Triticum aestivum; arid lands; conventional tillage; crop yield; fallow; fertilizer rates; growers; iron; liming; long term effects; manganese; nitrogen; nitrogen fertilizers; no-tillage; nutrient management; phosphorus; reduced tillage; soil depth; soil fertility; soil organic matter; soil pH; winter wheat
- Abstract:
- ... Knowledge gained on the long-term effects of crop management practices on soil fertility is critical in developing nutrient management strategies to optimize crop yields. This study examined the long-term effects of nitrogen (N) fertilizer application rates (0, 22, 45 and 67 kg N ha−1) and tillage intensity [conventional tillage (CT), reduced tillage (RT) and no-tillage (NT)] on soil phosphorus (P ...
- Handle:
- 10113/5801878
- DOI:
- 10.1016/j.geoderma.2017.08.020
- CHORUS:
- 10.1016/j.geoderma.2017.08.020
- http://dx.doi.org/10.1016/j.geoderma.2017.08.020
- Author:
- Mikha, Maysoon M., et al. ; Benjamin, Joseph G.; Vigil, Merle F.; Poss, David J.; Show all 4 Authors
- Source:
- Plos One 2017 v.12 no.4 pp. 1-25
- ISSN:
- 1932-6203
- Subject:
- Argiustolls; cattle manure; cropland; deep tillage; eroded soils; grasses; legumes; moldboard plows; nitrogen content; nitrogen fertilizers; no-tillage; phosphorus; remediation; sandy loam soils; semiarid zones; sodium; soil nutrients; soil organic carbon; soil pH; soil quality; topsoil; urea; water erosion; wind; wind erosion; Colorado
- Abstract:
- ... Soil loss through wind and water erosion is an ongoing problem in semiarid regions. A thin layer of top soil loss over a hectare of cropland could be corresponding to tons of productive soil loss per hectare. The objectives of this study were to evaluate the influence of beef feedlot manure, tillage and legume grass mixtures on changes in soil quality and nutrient components. The study was initiat ...
- Handle:
- 10113/5695439
- DOI:
- 10.1371/journal.pone.0175533
- PubMed:
- 28448510
- PubMed Central:
- PMC5407623
- http://dx.doi.org/10.1371/journal.pone.0175533
- Author:
- Mikha, Maysoon M., et al. ; Widiastuti, Dwi P.; Hurisso, Tunsisa T.; Brummer, Joe E.; Davis, Jessica G.; Show all 5 Authors
- Source:
- Agriculture 2017 v.7 no.5
- ISSN:
- 2077-0472
- Subject:
- Haplustalfs; Medicago sativa; Onobrychis viciifolia; agricultural research; alfalfa; autumn; dairy manure; education; forage; grasses; mineralization; nitrogen content; organic nitrogen; soil organic carbon; soil sampling; soil separates; Colorado
- Abstract:
- ... Composted dairy manure (CDM) is among the management practices used in transitioning from a conventional to an organic agricultural system. The objectives of this study are to evaluate the impact of several organic nitrogen (N) sources on: (i) soil organic C (SOC) and soil total N (STN) content; (ii) soil C and N distribution among soil fractions; and (iii) N mineralization. This study was initiat ...
- Handle:
- 10113/6468463
- DOI:
- 10.3390/agriculture7050037
- https://dx.doi.org/10.3390/agriculture7050037
- Author:
- Mikha, Maysoon M., et al. ; Hergert, Gary W.; Benjamin, Joseph G.; Jabro, Jalal D.; Nielsen, Rex A.; Show all 5 Authors
- Source:
- Soil Science Society of America journal 2017 v.81 no.1 pp. 153-165
- ISSN:
- 0361-5995
- Subject:
- Haplustolls; Zea mays; conventional tillage; corn; furrow irrigation; management systems; manure amendments; mineral fertilizers; nitrogen; particulate organic matter; plowing; sandy loam soils; soil depth; soil organic carbon; soil quality; soil sampling; total nitrogen
- Abstract:
- ... Long-term studies are extremely beneficial to our understanding and evaluation of changes in soil quality and sustainability of specific management practices. The objectives of this study were to evaluate the effects of 70 yr of intensive traditional tillage. Effect of moldboard plowing with manure (M) and inorganic fertilizer (F) additions on soil organic carbon (SOC), soil total nitrogen (STN), ...
- Handle:
- 10113/6472162
- DOI:
- 10.2136/sssaj2016.04.0107
- https://dx.doi.org/10.2136/sssaj2016.04.0107
- Author:
- MIKHA, Maysoon M., et al. ; KELLY, Charlene N.; BENJAMIN, Joseph; CALDERÓN, Francisco C.; RUTHERFORD, David W.; ROSTAD, Colleen E.; Show all 6 Authors
- Source:
- Pedosphere 2017 v.27 no.4 pp. 694-704
- ISSN:
- 1002-0160
- Subject:
- Alfisols; Aridisols; Panicum virgatum; biochar; carbon; growth chambers; mineralogy; soil aggregates; soil strength; water holding capacity; wheat; Colorado; Virginia
- Abstract:
- ... Aggregation and structure play key roles in water-holding capacity and stability of soils. In this study, the incorporation of carbon (C) from switchgrass biochar into stable aggregate size fractions was assessed in an Aridisol (from Colorado, USA) dominated by 2:1 clays and an Alfisol (from Virginia, USA) containing weathered mixed 1:1 and 2:1 mineralogy, to evaluate the effect of biochar additio ...
- DOI:
- 10.1016/S1002-0160(17)60399-0
- https://dx.doi.org/10.1016/S1002-0160(17)60399-0
- Author:
- Mikha, Maysoon M., et al. ; Jabro, Jay D.; Iversen, William M.; Stevens, William B.; Evans, Robert G.; Allen, Brett L.; Show all 6 Authors
- Source:
- Soil & tillage research 2016 v.159 pp. 67-72
- ISSN:
- 0167-1987
- Subject:
- crops; deep tillage; no-tillage; porosity; sandy loam soils; saturated hydraulic conductivity; soil density; soil ecology; soil water content; water content
- Abstract:
- ... The effect of tillage depth on physical properties in sandy soils under sugarbeet (Beta vulgaris L.) is not well understood and documented. A 4-yr study was conducted to investigate the effect of zero tillage (ZT), shallow tillage (ST), and deep tillage (DT) practices on soil bulk density (BD), saturated hydraulic conductivity (Ks), and moisture content (MC) in a sandy loam. Undisturbed soil cores ...
- Handle:
- 10113/61898
- DOI:
- 10.1016/j.still.2016.02.002
- https://dx.doi.org/10.1016/j.still.2016.02.002
- Author:
- Mikha, Maysoon M., et al. ; Hergert, Gary W.; Benjamin, Joseph G.; Jabro, Jalal D.; Nielsen, Rex A.; Show all 5 Authors
- Source:
- Soil Science Society of America journal 2015 v.79 no.2 pp. 626-636
- ISSN:
- 0361-5995
- Subject:
- Zea mays; discing; sandy soils; soil organic carbon; irrigation scheduling; nitrogen; microaggregates; fertilizers; plowing; corn; furrow irrigation; sieving; soil sampling; aggregate stability
- Abstract:
- ... Long-term studies document that soil properties influenced by management practices occur slowly. The objectives of this study were to evaluate 70 yr of manure (M) and commercial fertilizer (F) additions and moldboard plowing on soil organic C (SOC), soil total N (STN), water-stable aggregates (WSA), and aggregate-associated C and N. The Knorr–Holden plots have been in furrow irrigated continuous c ...
- Handle:
- 10113/60527
- DOI:
- 10.2136/sssaj2014.09.0348
- https://dx.doi.org/10.2136/sssaj2014.09.0348
- Author:
- Mikha, Maysoon M., et al. ; Vigil, Merle F.; Benjamin, Joseph G.; Show all 3 Authors
- Source:
- Soil Science Society of America journal 2013 v.77 no.2 pp. 594
- ISSN:
- 0361-5995
- Subject:
- Triticum aestivum; carbon; conservation tillage; conventional tillage; fallow; long term effects; moldboard plows; organic matter; particulates; reduced tillage; soil aggregates; soil aggregation; soil depth; soil erosion; soil nutrient dynamics; soil organic carbon; soil quality; soil sampling; soil structure; soil transport processes; winter wheat; Colorado; Great Plains region
- Abstract:
- ... Long-term conservation tillage improves soil quality by enhancing soil structure, improving water availability, and reducing soil erosion. We investigated the effect of tillage intensity on soil organic carbon (SOC), organic carbon fractions, particulate organic matter (POM), and wet aggregate-size distribution after 39 yr of management. The data reported here were taken from a long-term tillage s ...
- Handle:
- 10113/55997
- DOI:
- 10.2136/sssaj2012.0125
- https://dx.doi.org/10.2136/sssaj2012.0125
- Author:
- Mikha, Maysoon M., et al. ; Jabro, Jalal D.; Iversen, William M.; Stevens, William Bart; Evans, Robert G.; Allen, Brett L.; Show all 6 Authors
- Source:
- Agronomy journal 2015 v.107 no.4 pp. 1481-1488
- ISSN:
- 0002-1962
- Subject:
- Beta vulgaris; cold; crop yield; deep tillage; manual harvesting; no-tillage; roots; sandy loam soils; soil penetration resistance; soil water; spring; sucrose; sugar beet; weather
- Abstract:
- ... Tillage can alter soil properties and affect crop yield and quality. A 4-yr study was conducted on a Lihen sandy loam soil loam (sandy, mixed, frigid Entic Haplustoll) to evaluate the effect of tillage depth on sugarbeet (Beta vulgaris L.) root yield, root quality, and soil penetration resistance (PR). Tillage treatments consisted of no-tillage (NT), shallow tillage (ST), and deep tillage (DT). So ...
- Handle:
- 10113/61038
- DOI:
- 10.2134/agronj14.0561
- http://dx.doi.org/10.2134/agronj14.0561
- Author:
- MIKHA, Maysoon M., et al. ; KELLY, Charlene N.; CALDERÓN, Francisco C.; ACOSTA-MARTÍNEZ, Verónica; BENJAMIN, Joseph; RUTHERFORD, David W.; ROSTAD, Colleen E.; Show all 7 Authors
- Source:
- Pedosphere 2015 v.25 no.3 pp. 329-342
- ISSN:
- 1002-0160
- Subject:
- Alfisols; Aridisols; Panicum virgatum; Triticum aestivum; application rate; biochar; carbon; clay soils; community structure; dry matter accumulation; electrical conductivity; fatty acid methyl esters; growth chambers; microbial activity; microbial biomass; microbial communities; mineralization; nitrogen; nitrogen content; nutrient availability; phosphorus; potassium; shoots; soil amendments; soil microorganisms; soil nutrients; soil pH; wheat; Colorado; Great Plains region; Midwestern United States; Virginia
- Abstract:
- ... Biochar amendments to soils may alter soil function and fertility in various ways, including through induced changes in the microbial community. We assessed microbial activity and community composition of two distinct clayey soil types, an Aridisol from Colorado (CO) in the U.S. Central Great Plains, and an Alfisol from Virginia (VA) in the southeastern USA following the application of switchgrass ...
- Handle:
- 10113/62016
- DOI:
- 10.1016/S1002-0160(15)30001-1
- https://dx.doi.org/10.1016/S1002-0160(15)30001-1
- Author:
- Mikha, Maysoon M., et al. ; Stahlman, Phillip W.; Benjamin, Joseph G.; Geier, Patrick W.; Show all 4 Authors
- Source:
- Agronomy journal 2014 v.106 no.1 pp. 261
- ISSN:
- 0002-1962
- Subject:
- Avena sativa; Haplustolls; Panicum miliaceum subsp. miliaceum; Sorghum bicolor; Triticum aestivum; acid soils; application rate; cattle manure; conventional tillage; crop rotation; eroded soils; fertilizers; grain sorghum; grain yield; leaching; manure spreading; nitrogen; no-tillage; oats; remediation; risk; silt loam soils; soil profiles; urea; winter wheat; Kansas
- Abstract:
- ... The response of manure applications on calcareous eroded soils in the western United States is unlike the responses observed on acid soils in the eastern United States. The objectives of this study were to restore the productivity and evaluate N loss of eroded land influenced by tillage practices, N sources, and N rates. The study was initiated in 2006 on an Armo silt loam (fine-loamy, mixed, mesi ...
- Handle:
- 10113/59373
- DOI:
- 10.2134/agronj2013.0279
- https://dx.doi.org/10.2134/agronj2013.0279
- Author:
- Mikha, Maysoon M., et al. ; Benjamin, Joseph G.; Stahlman, Phillip W.; Geier, Patrick W.; Show all 4 Authors
- Source:
- Agronomy journal 2014 v.106 no.1 pp. 252
- ISSN:
- 0002-1962
- Subject:
- Haplustolls; acid soils; cattle manure; conventional tillage; eroded soils; fertilizer rates; nitrogen fertilizers; no-tillage; phosphorus; remediation; silt; silt loam soils; soil nutrient dynamics; soil organic carbon; soil pH; soil sampling; spring; urea; Kansas
- Abstract:
- ... Nutrient dynamics in the calcareous eroded soils of the western United States may react differently than the acid soils in the eastern United States. The objectives of this study were to evaluate the impact of tillage practices and N treatments on changes in soil nutrient constituents. The eroded study was initiated in 2006 at the Agriculture Research Center, Hays, KS, on an Armo silt loam (fine-l ...
- Handle:
- 10113/59381
- DOI:
- 10.2134/agronj2013.0278
- https://dx.doi.org/10.2134/agronj2013.0278
- Author:
- Mikha, Maysoon M., et al. ; Benjamin, Joseph G.; Nielsen, David C.; Vigil, Merle F.; Calderon, Francisco J.; Show all 5 Authors
- Source:
- Agronomy journal 2013 v.105 no.3 pp. 713
- ISSN:
- 0002-1962
- Subject:
- Zea mays; atmosphere; bulk density; corn; developmental stages; growing season; growth models; neutron probes; root growth; roots; soil depth; soil quality; soil sampling; soil water content; surface area; water content
- Abstract:
- ... Two models for evaluating soil physical condition effects on root growth were compared. The first model, called the Jones model, is a submodel for root growth limitations used by several complex soil–plant–atmosphere models. The second model uses soil physical limitations as identified by the least limiting water range (LLWR). Root surface area density () and bulk density () were determined at the ...
- Handle:
- 10113/56975
- DOI:
- 10.2134/agronj2012.0104
- https://dx.doi.org/10.2134/agronj2012.0104
- Author:
- Mikha, Maysoon M., et al. ; Benjamin, Joseph G.; Halvorson, Ardell D.; Nielsen, David C.; Show all 4 Authors
- Source:
- ARS USDA Submissions 2013 v.3 no.2 pp. 123
- ISSN:
- 2162-5379
- Subject:
- Zea mays; bulk density; carbon; chiseling; continuous cropping; corn; crop rotation; crops; irrigation scheduling; multiple cropping; no-tillage; silt loam soils; soil organic carbon; temporal variation
- Abstract:
- ... Throughout the years, many studies have evaluated changes in soil organic carbon (SOC) mass on a fixed-depth (FD) basis without considering changes in soil mass caused by changing bulk density (?b). This study evaluates the temporal changes in SOC caused by two factors: 1) changing SOC concentration; and 2) changing equivalent soil mass (ESM) in comparison with FD. In addition, this study evaluate ...
- Handle:
- 10113/56974
- DOI:
- 10.4236/ojss.2013.32014
- http://dx.doi.org/10.4236/ojss.2013.32014
- Author:
- Mikha, Maysoon M., et al. ; Blanco-Canqui, Humberto; Presley, DeAnn R.; Claassen, Mark M.; Show all 4 Authors
- Source:
- Soil Science Society of America journal 2011 v.75 no.4 pp. 1471
- ISSN:
- 0361-5995
- Subject:
- cover crops; no-tillage; soil physical properties; winter wheat; Triticum aestivum; Sorghum bicolor; grain crops; crop rotation; nitrogen fertilizers; fertilizer rates; Vicia villosa; Crotalaria juncea; Glycine max; maturity groups; soil organic carbon; bulk density; infiltration (hydrology); soil compaction; soil aggregates
- Abstract:
- ... Inclusion of cover crops (CCs) may be a potential strategy to boost no-till performance by improving soil physical properties. To assess this potential, we utilized a winter wheat (L.)–grain sorghum [ (L.) Moench] rotation, four N rates, and a hairy vetch (HV; Roth) CC after wheat during the first rotation cycles, which was replaced in subsequent cycles with sunn hemp (SH; L.) and late-maturing so ...
- Handle:
- 10113/50018
- DOI:
- 10.2136/sssaj2010.0430
- https://dx.doi.org/10.2136/sssaj2010.0430
- Author:
- Mikha, Maysoon M., et al. ; Benjamin, Joseph G.; Vigil, Merle F.; Show all 3 Authors
- Source:
- Soil Science Society of America journal 2008 v.72 no.5 pp. 1357
- ISSN:
- 1435-0661
- Subject:
- soil organic carbon; soil aggregates; aggregate stability; agricultural soils; cropping systems; bulk density; porosity; saturated hydraulic conductivity; soil water retention; crop rotation; cropping sequence; semiarid soils; semiarid zones; grasses; Great Plains region
- Abstract:
- ... Increasing cropping intensity in the central Great Plains of the United States has the potential to increase organic carbon (OC) stored in the soil and lead to improved soil physical properties. A cropping systems study was started in 1990 at the Central Great Plains Research Station near Akron, CO. In 2005 soil samples were taken in six 95-mm increments to a depth of 370 mm to measure OC, water s ...
- Handle:
- 10113/19287
- DOI:
- 10.2136/sssaj2007.0389
- https://dx.doi.org/10.2136/sssaj2007.0389
- Author:
- Mikha, Maysoon M., et al. ; Hurisso, Tunsisa T.; Davis, Jessica G.; Brummer, Joe E.; Stromberger, Mary E.; Booher, Matthew R.; Show all 6 Authors
- Source:
- Organic agriculture 2012 v.2 no.3-4 pp. 219-232
- ISSN:
- 1879-4238
- Subject:
- application rate; composted manure; field experimentation; forage grasses; forage production; mineralization; nitrogen; production technology; resins; Colorado
- Abstract:
- ... This study was conducted to determine the effect of composted dairy manure (CDM) addition on nitrogen (N) mineralization in perennial forage production system undergoing transition to organic management. A field experiment was carried out on a Gray Luvisol of northeastern Colorado (40°39′N, 104°59′W) in 2008 and 2009, using the in situ resin core method. CDM was top-dressed onto two mixtures of pe ...
- DOI:
- 10.1007/s13165-013-0037-z
- http://dx.doi.org/10.1007/s13165-013-0037-z
- Author:
- Mikha, Maysoon M., et al. ; Hurisso, Tunsisa T.; Davis, Jessica G.; Brummer, Joe E.; Stromberger, Mary E.; Haddix, Michelle L.; Booher, Matthew R.; Paul, Eldor A.; Show all 8 Authors
- Source:
- Geoderma 2013 v.193-194 pp. 68
- ISSN:
- 0016-7061
- Subject:
- Medicago sativa; aggregate stability; alfalfa; application rate; carbon; clay fraction; composted manure; correlation; dairy manure; forage legumes; grasses; microaggregates; microbial biomass; nitrogen; nitrogen content; organic matter; pasture management; silt fraction; soil microorganisms; soil organic carbon; soil structure
- Abstract:
- ... Adding high quantities of organic matter can increase carbon (C) inputs to soil and help maintain soil structure. This study investigated short-term effects of application of different levels of composted dairy manure (CDM) versus interseeding a legume into grass pasture on aggregate stability and soil C and nitrogen (N) contents. CDM was added to a mixture of perennial grasses at 22.4, 33.6 or 44 ...
- Handle:
- 10113/56272
- DOI:
- 10.1016/j.geoderma.2012.10.016
- https://dx.doi.org/10.1016/j.geoderma.2012.10.016
- Author:
- Mikha, Maysoon M., et al. ; Sistani, Karamat R.; Warren, Jason G.; Gilfillen, Becky; Acosta-Martinez, Veronica; Willian, Todd; Show all 6 Authors
- Source:
- Soil science 2010 v.175 no.12 pp. 593-600
- ISSN:
- 0038-075X
- Subject:
- Zea mays; copper; corn; cropping systems; dairy manure; experimental design; grain yield; mineral fertilizers; no-tillage; nutrients; phosphorus; poultry manure; silt loam soils; soil nutrient dynamics; soil nutrients; soil properties; soil sampling; spring; surface water; zinc; Southeastern United States
- Abstract:
- ... Large amounts of animal manure, particularly poultry litter and dairy manure, are generated in southeastern United States, where corn (Zea mays L.) is also extensively grown. Characterizations of management practices and long-term manure and soil nutrient dynamics are critical. This study examined corn grain yield and soil nutrient status under three nutrient sources (two rates of each) as follows ...
- DOI:
- 10.1097/SS.0b013e3181fbdfee
- http://dx.doi.org/10.1097/SS.0b013e3181fbdfee