Search Results - "Ahuja, LR"

Modelling climate change impacts on maize yields under low nitrogen input conditions in sub‐Saharan Africa by Falconnier, GN, Corbeels, M, Boote, KJ, Affholder, F, Adam, M, MacCarthy, DS, Ruane, AC, Nendel, C, Whitbread, AM, Justes, E, Ahuja, LR, Akinseye, F.M., Alou, IN, Amouzou, KA, Anapalli, S.S., Baron, C, Basso, B, Baudron, F, Challinor, AJ, Chen, Y, Deryng, D, Elsayed, ML, Faye, B, Gaiser, T, Galdos, M, Gayler, S, Gerardeaux, E, Giner, M, Grant, B, Hoogenboom, G, Ibrahim, ES, Kamali, B, Kersebaum, KC, Kim, SH, Laan, M van der, Leroux, L, Lizaso, JI, Maestrini, B, Meier, EA, Mequanint, F, Ndoli, A, Porter, CH, Priesack, E, Sida, T, Singh, U, Smith, W, Srivastava, A, Sinha, S, Tao, F, Thorburn, PJ, Timlin, D, Traore, B, Twine, T, Webber, H

“…Smallholder farmers in sub‐Saharan Africa (SSA) currently grow rainfed maize with limited inputs including fertilizer. Climate change may exacerbate current…”
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Advances and challenges in predicting agricultural management effects on soil hydraulic properties by Green, Timothy R., Ahuja, Lajpat R., Benjamin, Joseph G.

“…Agricultural management practices can significantly affect soil hydraulic properties and processes in space and time. These responses are coupled with the…”
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Evaluation of the RZWQM-CERES-Maize hybrid model for maize production by Ma, L., Hoogenboom, G., Ahuja, L.R., Ascough, J.C., Saseendran, S.A.

“…The root zone water quality model (RZWQM) was developed primarily for water quality research with a generic plant growth module primarily serving as a sink for…”
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Cropping Intensity Enhances Soil Organic Carbon and Nitrogen in a No‐Till Agroecosystem by Sherrod, L. A., Peterson, G. A., Westfall, D. G., Ahuja, L. R.

“…Soil organic C (SOC) has decreased under cultivated wheat (Triticum aestivum)‐fallow (WF) in the central Great Plains. We evaluated the effect of no‐till…”
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Soil organic carbon pools after 12 years in no-till dryland agroecosystems by Sherrod, L.A, Peterson, G.A, Westfall, D.G, Ahuja, L.R

“…Previous studies of no-till management in the Great Plains have shown that increased cropping intensity increased soil organic carbon (SOC). The objectives of…”
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Modeling a wheat–maize double cropping system in China using two plant growth modules in RZWQM by Yu, Q., Saseendran, S.A., Ma, L., Flerchinger, G.N., Green, T.R., Ahuja, L.R.

“…Agricultural system models are potential tools for evaluating soil-water–nutrient management in intensive cropping systems. In this study, we calibrated and…”
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Trans-disciplinary soil physics research critical to synthesis and modeling of agricultural systems by Ahuja, L.R, Ma, L, Timlin, D.J

“…Synthesis and quantification of disciplinary knowledge at the whole system level, via the process models of agricultural systems, are critical to achieving…”
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Surface Soil Physical Properties After Twelve Years of Dryland No‐Till Management by Shaver, T. M., Peterson, G. A., Ahuja, L. R., Westfall, D. G., Sherrod, L. A., Dunn, G.

“…Water is the principle limiting factor in dryland cropping systems. Surface soil physical properties influence infiltration and cropping systems under no‐till…”
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Assimilation of surface soil moisture to estimate profile soil water content by Heathman, Gary C, Starks, Patrick J, Ahuja, Lajpat R, Jackson, Thomas J

“…The use of surface soil water content data as additional input for the Root Zone Water Quality Model in modeling profile soil water content was investigated at…”
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Development and evaluation of the RZWQM-CROPGRO hybrid model for soybean production by Ma, L, Hoogenboom, G, Ahuja, L.R, Nielsen, D.C, Ascough, J.C. II

“…It is common for agricultural system modelers to enhance their models by learning from other models and incorporating the best state-of-the-science into their…”
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Simulating planting date effects on corn production using RZWQM and CERES-Maize models by Anapalli, S.S, Ma, L, Nielsen, D.C, Vigil, M.F, Ahuja, L.R

“…Corn (Zea mays L.) production in northeastern Colorado is constrained by a frost-free period averaging 11 May to 27 September. For optimization of yield,…”
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Scaling of infiltration and redistribution of water across soil textural classes by Kozak, J.A, Ahuja, L.R

“…Results with an empirically based one-parameter model showed that the pore-size distribution index (lambda) described in the Brooks and Corey formulation of…”
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Modeling Nitrogen Management Effects on Winter Wheat Production Using RZWQM and CERES‐Wheat by Saseendran, S. A., Nielsen, D. C., Ma, L., Ahuja, L. R., Halvorson, A. D.

“…Agricultural system models can provide an alternative, less time‐consuming and inexpensive means of determining the optimum crop N requirement under varied…”
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Changes in Soil Water Retention Curves Due to Tillage and Natural Reconsolidation by Ahuja, L. R., Fiedler, F., Dunn, G. H., Benjamin, J. G., Garrison, A.

“…Changes in soil water retention of the surface soil brought about by tillage can significantly alter the amount of rain water that infiltrates into the root…”
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Application of the Root Zone Water Quality Model (RZWQM) to pesticide fate and transport: an overview by Malone, R.W, Ahuja, L.R, Ma, L, Wauchope, R.D, Ma, Q, Rojas, K.W

“…Pesticide transport models are tools used to develop improved pesticide management strategies, study pesticide processes under different conditions…”
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Simulating nitrate drainage losses from a Walnut Creek watershed field by Bakhsh, A, Hatfield, J.L, Kanwar, R.S, Ma, L, Ahuja, L.R

“…This study was designed to evaluate the improved version of the Root Zone Water Quality Model (RZWQM) using 6 yr (1992-1997) of field-measured data from a…”
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Use of limited soil property data and modeling to estimate root zone soil water content by Starks, Patrick J., Heathman, Gary C., Ahuja, Lajpat R., Ma, Liwang

“…Estimation of soil water content in the root zone with time in different parts of a watershed is important for both strategic and tactical management of water…”
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Residue cover and surface-sealing effects on infiltration : Numerical simulations for field applications by HUANXIANG RUAN, AHUJA, Laj R, GREEN, Timothy R, BENJAMIN, Joseph G

“…Surface sealing of bare soils often reduces rain infiltration, and crop‐residue cover is commonly used to reduce surface sealing. We conducted numerical…”
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Effectiveness of RZWQM for simulating alternative Great Plains cropping systems by Anapalli, S.S, Nielsen, D.C, Ma, L, Ahuja, L.R, Vigil, M.F, Halvorson, A.D

“…The Root Zone Water Quality Model (RZWQM) is a comprehensive agricultural system model with the capacity to predict crop-environmental response to varying soil…”
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Documenting the pesticide processes module of the ARS RZWQM agroecosystem model by Wauchope, R.D, Rojas, K.W, Ahuja, L.R, Ma, Q, Malone, R.W, Ma, L

“…We describe the theory and current development state of the pesticide process module of the USDA-Agricultural Research Service Root Zone Water Quality Model,…”
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