Search Results - "Iversen, William M"

Saturated Hydraulic Conductivity of a Sandy Loam under No-Till and Intensive Tillage in a Corn–Soybean Rotation by Jabro, Jalal D., Stevens, William B., Iversen, William M., Sainju, Upendra M., Allen, Brett L.

“…Tillage management practices have a dynamic impact on soil hydraulic properties and processes. There is a need for information about the effect of tillage…”
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Physical and hydraulic properties of a sandy loam soil under zero, shallow and deep tillage practices by Jabro, Jay D., Iversen, William M., Stevens, William B., Evans, Robert G., Mikha, Maysoon M., Allen, Brett L.

“…•A 4-yr study investigated the impact of NT, ST, and DT on soil BD, Ks, and MC.•Soil BD was not significantly influenced by tillage.•Soil Ks was not affected…”
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New method for the characterization of three‐dimensional preferential flow paths in the field by Abou Najm, Majdi R, Jabro, Jalal D, Iversen, William M, Mohtar, Rabi H, Evans, Robert G

“…Preferential flow path development in the field is the result of the complex interaction of multiple processes relating to the soil's structure, moisture…”
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Malt Barley Yield and Quality Affected by Irrigation, Tillage, Crop Rotation, and Nitrogen Fertilization by Stevens, William B, Sainju, Upendra M, Caesar-TonThat, Thecan, Iversen, William M

“…Little is known about the comparison of management practices on malt barley (Hordeum vulgare L.) yield and quality in irrigated and non-irrigated cropping…”
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Irrigation System and Tillage Effects on Soil Carbon and Nitrogen Fractions by Sainju, Upendra M., Stevens, William B., Evans, Robert G., Iversen, William M.

“…Irrigation and tillage systems may affect surface residue and soil C and N fractions by influencing crop biomass yield, residue placement, and movement of…”
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Strip Tillage and High-Efficiency Irrigation Applied to a Sugarbeet–Barley Rotation by Stevens, William B, Evans, Robert G, Iversen, William M, Jabro, Jalal D, Sainju, Upendra M, Allen, Brett L

“…Strip tillage (ST) and high-efficiency overhead irrigation methods reduce fuel and water inputs compared to conventional practices, but have not been…”
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Simulating Dryland Water Availability and Spring Wheat Production in the Northern Great Plains by Qi, Zhiming, Bartling, Patricia N. S., Jabro, Jalal D., Lenssen, Andrew W., Iversen, William M., Ahuja, Lajpat R., Ma, Liwang, Allen, Brett L., Evans, Robert G.

“…Agricultural system models are useful tools to synthesize field experimental data and to extrapolate results to longer periods of weather and to other cropping…”
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Nitrogen Availability for Sugarbeet affected by Tillage System and Sprinkler Irrigation Method by Stevens, W. Bart, Evans, Robert G, Jabro, Jay D, Iversen, William M

“…Many shank-type strip tillage (ST) implements band fertilizer below the seed without incorporating crop residue into the soil, potentially affecting N…”
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remote irrigation monitoring and control system (RIMCS) for continuous move systems. Part B: field testing and results by Chávez, José L, Pierce, Francis J, Elliott, Todd V, Evans, Robert G, Kim, Yunseop, Iversen, William M

“…Precision irrigation systems can have inherent errors that affect the accuracy of variable water application rates controllers, as well as affect the…”
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Soil cone index and bulk density of a sandy loam under no-till and conventional tillage in a corn-soybean rotation by Jabro, Jalal D., Stevens, William B., Iversen, William M., Sainju, Upendra M., Allen, Brett L.

“…•Tillage practices may have a profound impact on soil environment and agricultural productivity.•Soil cone index significantly influenced by tillage…”
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Characterization of spatial variability of soil electrical conductivity and cone index using coulter and penetrometer-type sensors by Jabro, J.D, Evans, R.G, Kim, Y, Stevens, W.B, Iversen, W.M

“…Assessment and management of spatial variability of soil chemical and physical properties (e.g., soil texture, organic matter, salinity, compaction, and…”
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Repeatability of soil apparent electrical conductivity measured by a coulter sensor by Jabro, J.D, Evans, R.G, Stevens, W.B, Iversen, W.M

“…Apparent electrical conductivity (ECa) measured using an on-the-go coulter sensor offers advantages for mapping soil variability because detailed data can be…”
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Impact of conservation tillage and nitrogen on sugarbeet yield and quality by Afshar, Reza Keshavarz, Nilahyane, Abdelaziz, Chen, Chengci, He, Huaqin, Bart Stevens, W., Iversen, William M.

“…•No-till produced similar yield and quality of sugarbeet compared to conventional tillage.•No-till saved US$111 per ha in tillage costs compared to…”
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Remote Sensing and Control of an Irrigation System Using a Distributed Wireless Sensor Network by Yunseop Kim, Evans, R.G., Iversen, W.M.

“…Efficient water management is a major concern in many cropping systems in semiarid and arid areas. Distributed in-field sensor-based irrigation systemsoffer a…”
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Soil water and crop water use with crop rotations and cultural practices by Sainju, Upendra M., Lenssen, Andrew W., Allen, Brett L., Jabro, Jalal D., Stevens, William B., Iversen, William M.

“…Limited and erratic precipitation in arid and semiarid regions can affect soil water storage, water use, and dryland crop performance. Our objective was to…”
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Effect of Three Tillage Depths on Sugarbeet Response and Soil Penetrability Resistance by Jabro, Jalal D., Iversen, William M., Stevens, William Bart, Evans, Robert G., Mikha, Maysoon M., Allen, Brett L.

“…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…”
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