Search Results - "Riha, S J"

SMALL IS BEAUTIFUL? STATE OF THE DAMS AND MANAGEMENT IMPLICATIONS FOR THE FUTURE by Vedachalam, S, Riha, S. J

“…Dams are a critical component of water infrastructure, providing services such as water supplies, recreational opportunities and flood control. At the same…”
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Does the system of rice intensification outperform conventional best management? A synopsis of the empirical record by McDonald, A.J, Hobbs, P.R, Riha, S.J

“…The outperformance of the system of rice intensification (SRI) in the context of conventional best management is discussed. Sufficient empirical data now exist…”
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Early season height differences as robust predictors of weed growth potential in maize: new avenues for adaptive management? by MCDONALD, A J, RIHA, S J, DITOMMASO, A

“…McDonald AJ, Riha SJ & Ditommaso A (2010). Early season height differences as robust predictors of weed growth potential in maize: new avenues for adaptive…”
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Scaling Plant Size to Below-Ground Zone of Influence in Annuals under Contrasting Competitive Environments by Berger, A. G., McDonald, A. J., Riha, S. J.

“…1. Understanding the development of plants' below-ground zone of influence, the region over which a plant acquires soil resources, is essential for…”
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Does soil nitrogen affect early competitive traits of annual weeds in comparison with maize by BERGER, A, MCDONALD, A.J, RIHA, S.J

“…Soil nitrogen (N) is considered an important driver of crop-weed interactions, yet the mechanisms involved have been only partially explored, especially with…”
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Soil physical responses to novel rice cultural practices in the rice–wheat system: Comparative evidence from a swelling soil in Nepal by McDonald, A.J., Riha, S.J., Duxbury, J.M., Steenhuis, T.S., Lauren, J.G.

“…Soil puddling in advance of rice ( Oryza sativa L.) transplanting disperses surface aggregates and generates compaction at depth. As a management scheme for…”
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Mining the record: historical evidence for climatic influences on maize -Abutilon theophrasti competition by McDonald, A J, Riha, S J, Mohler, C L

“…Summary Variations in climate are widely recognized as central factors governing the competitive balance in mixed‐species plant communities. In agricultural…”
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The Effects of Trees on Their Physical, Chemical and Biological Environments in a Semi-Arid Savanna in Kenya by Belsky, A. J., Amundson, R. G., Duxbury, J. M., Riha, S. J., Ali, A. R., Mwonga, S. M.

“…(1) The effects of isolated, mature trees of Acacia tortilis and Adansonia digitata on their environments in a semi-arid savanna in Tsavo National Park (West),…”
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A Test of Two Spatial Frameworks for Representing Spatial Patterns of Wetness in a Glacial Drift Watershed by Hofmeister, K.L., Nave, L.E., Riha, S.J., Schneider, R.L., Walter, M.T.

“…Core Ideas Soil moisture and water table position vary across ecosystems and parent materials. Ecosystem classifications and topographic wetness indices…”
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Effects of mulch location on banana weevil, soil and plant nutrients, soil water and biomass in banana fields by MCINTYRE, B. D, GOLD, C. S, SSALI, H, RIHA, S. J

“…Major constraints to banana (Musa spp., genome group AAA) production, a dietary staple for over 70 million people in sub-Saharan Africa, are pest infestations,…”
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Impact of temperature and precipitation variability on crop model predictions by RIHA, S. J, WILKS, D. S, SIMOENS, P

“…A synthetic weather generator was used to systematically change the within-year variability of temperature and precipitation with altering long-term mean…”
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Stubborn facts: Still no evidence that the System of Rice Intensification out-yields best management practices (BMPs) beyond Madagascar by McDonald, A.J., Hobbs, P.R., Riha, S.J.

“…For more than a decade, the System of Rice Intensification (SRI) has been vigorously promoted as a method for substantially improving the yield performance of…”
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Carbon and Nutrient Accumulation in Secondary Forests Regenerating on Pastures in Central Amazonia by Ted R. Feldpausch, Marco A. Rondon, Erick C. M. Fernandes, Riha, Susan J., Elisa Wandelli

“…Over the past three decades, large expanses of forest in the Amazon Basin were converted to pasture, many of which later degraded to woody fallows and were…”
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Model of crop:weed competition applied to maize:Abutilon theophrasti interactions. I. Model description and evaluation by McDonald, A.J, Riha, S.J

“…A complex set of interactions among crops, weeds and their environment determines the impact of weed interference on crop productivity. These interactions can…”
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Model of crop:weed competition applied to maize:Abutilon theophrasti interactions. II. Assessing the impact of climate: implications for economic thresholds by McDonald, A.J, Riha, S.J

“…The practical application of single‐season economic thresholds for post‐emergence weed control decisions has been frustrated by the impact of growing season,…”
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Light interception and evapotranspiration in hedgerow agroforestry systems by McIntyre, B.D., Riha, S.J., Ong, C.K.

“…Quantifying water lost through evaporation and transpiration in a cropping system is an important tool in adapting a system for semi-arid conditions. During…”
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When big trees fall: Damage and carbon export by reduced impact logging in southern Amazonia by Feldpausch, Ted R., Jirka, Stefan, Passos, Carlos A.M., Jasper, Franklin, Riha, Susan J.

“…We examined carbon export in whole logs and carbon accumulation as coarse woody debris (CWD) produced from forest damage during all phases of the first and…”
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Nitrogen fertilizer requirements for maize produced in the tropics: A comparison of three computer-based recommendation systems by Osmond, D.L., Riha, S.J.

“…Nitrogen (N) is often the most limiting nutrient for tropically produced maize ( Zea mays), yet in many tropical countries, N fertilizer field trials are…”
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Simulation of elevated CO2 effects on daily net canopy carbon assimilation and crop yield by Wilks, D. S, Riha, S. J, Melkonian, J

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The precipitation of black oxide coatings on flooded conifer roots of low internal porosity by LEVAN, M. A., RIHA, S. J.

“…The blackening of flooded roots of several conifer species was due to precipitation of mixed iron/manganese oxides on the root epidermis and throughout the…”
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