Search Results - "Leffelaar, Peter A"

Characterization of phosphorus in animal manures collected from three (dairy, swine, and broiler) farms in China by Li, Guohua, Li, Haigang, Leffelaar, Peter A, Shen, Jianbo, Zhang, Fusuo

“…In order to identify the phosphorus species and concentration in animal manure, we comparatively characterized phosphorus in dairy manure, swine manure, and…”
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Are the rates of photosynthesis stimulated by the carbon sink strength of rhizobial and arbuscular mycorrhizal symbioses? by Kaschuk, Glaciela, Kuyper, Thomas W., Leffelaar, Peter A., Hungria, Mariangela, Giller, Ken E.

“…Rhizobial and arbuscular mycorrhizal (AM) symbioses each may consume 4–16% of recently photosynthetically-fixed carbon to maintain their growth, activity and…”
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A dynamic model of potential growth of olive (Olea europaea L.) orchards by Morales, Alejandro, Leffelaar, Peter A., Testi, Luca, Orgaz, Francisco, Villalobos, Francisco J.

“…•A 3D model of olive oil production based of physiological principles was developed.•Climate change had a small effect on simulated yields but some years…”
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Photosynthetic adaptation of soybean due to varying effectiveness of N₂ fixation by two distinct Bradyrhizobium japonicum strains by Kaschuk, Glaciela, Yin, Xinyou, Hungria, Mariangela, Leffelaar, Peter A, Giller, Ken E, Kuyper, Thomas W

“…Rhizobial N₂ fixation is a costly biochemical process, which takes 6–14% of current photosynthate (C) from legumes, without compromising grain productivity. In…”
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Intercropping wheat and maize increases total radiation interception and wheat RUE but lowers maize RUE by Gou, Fang, van Ittersum, Martin K., Simon, Elisabeth, Leffelaar, Peter A., van der Putten, Peter E.L., Zhang, Lizhen, van der Werf, Wopke

“…•Intercropping wheat and maize can increase radiation capture and land use efficiency.•Under Dutch growing conditions, maize performance in intercrop is…”
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Responses of legumes to rhizobia and arbuscular mycorrhizal fungi: A meta-analysis of potential photosynthate limitation of symbioses by Kaschuk, Glaciela, Leffelaar, Peter A., Giller, Ken E., Alberton, Odair, Hungria, Mariangela, Kuyper, Thom W.

“…Legumes are prized for their seed protein and lipid mass fractions. Since legumes spend up to 4–16% of photosynthesis on each of the rhizobial and arbuscular…”
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Rice production with less irrigation water is possible in a Sahelian environment by de Vries, Michiel E., Rodenburg, Jonne, Bado, Boubié V., Sow, Abdoualye, Leffelaar, Peter A., Giller, Ken E.

“…We investigated the possibility of saving irrigation water in rice production in a Sahelian environment with different nitrogen rates and weed control…”
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A multi-level analysis of China's phosphorus flows to identify options for improved management in agriculture by Li, Guohua, van Ittersum, Martin K., Leffelaar, Peter A., Sattari, Sheida Z., Li, Haigang, Huang, Gaoqiang, Zhang, Fusuo

“…Phosphorus (P) is a finite natural resource and is essential for food production. The amount of P involved in food production in China relative to the increase…”
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Modeling vegetation and carbon dynamics of managed grasslands at the global scale with LPJmL 3.6 by Rolinski, Susanne, Müller, Christoph, Heinke, Jens, Weindl, Isabelle, Biewald, Anne, Bodirsky, Benjamin Leon, Bondeau, Alberte, Boons-Prins, Eltje R, Bouwman, Alexander F, Leffelaar, Peter A, te Roller, Johnny A, Schaphoff, Sibyll, Thonicke, Kirsten

“…Grassland management affects the carbon fluxes of one-third of the global land area and is thus an important factor for the global carbon budget. Nonetheless,…”
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Assessing environmental impacts associated with freshwater consumption along the life cycle of animal products: the case of Dutch milk production in Noord-Brabant by De Boer, Imke J. M., Hoving, Idse E., Vellinga, Theun V., Van de Ven, Gerrie W. J., Leffelaar, Peter A., Gerber, Pierre J.

“…Purpose The assessment of water footprints of a wide range of products has increased awareness on preserving freshwater as a resource. The water footprint of a…”
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Methane emissions in two drained peat agro-ecosystems with high and low agricultural intensity by Schrier-Uijl, Arina P, Kroon, Petra S, Leffelaar, Peter A, van Huissteden, J. C, Berendse, Frank, Veenendaal, Elmar M

“…Methane (CH₄) emissions were compared for an intensively and extensively managed agricultural area on peat soils in the Netherlands to evaluate the effect of…”
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Nutrient flows and balances in urban and peri-urban agroecosystems of Kano, Nigeria by Abdulkadir, Aisha, Leffelaar, Peter A., Agbenin, John O., Giller, Ken Everlyn

“…Nutrient balances are useful indicators to assess the sustainability of farming systems. This study study investigates inflow and outflow of major nutrients in…”
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Phenological development of East African highland banana involves trade-offs between physiological age and chronological age by Taulya, Godfrey, van Asten, Piet J.A., Leffelaar, Peter A., Giller, Ken E.

“…•The threshold total dry mass for bananas’ flowering is 1.5kg per plant.•Net assimilation rate (NAR) drives relative growth rate in response to water and…”
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A physiological production model for cocoa ( Theobroma cacao): model presentation, validation and application by Zuidema, Pieter A., Leffelaar, Peter A., Gerritsma, Wouter, Mommer, Liesje, Anten, Niels P.R.

“…In spite of the economic importance and extensive agronomic literature on cocoa, no physiological production model has been developed for cocoa so far. Such a…”
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Erratum to: Nutrient flows and balances in urban and peri-urban agroecosystems of Kano, Nigeria by Abdulkadir, Aisha, Leffelaar, Peter A., Agbenin, John O., Giller, Ken E.

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Integrating legumes to improve N cycling on smallholder farms in sub-humid Zimbabwe: resource quality, biophysical and environmental limitations by Chikowo, Regis, Mapfumo, Paul, Leffelaar, Peter A, Giller, Ken E

“…The release of mineral-N in soil from plant residues is regulated by their 'quality' or chemical composition. Legume materials used by farmers in southern…”
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Modeling methane fluxes in wetlands with gas-transporting plants: 1. Single-root scale by Segers, Reinoud, Leffelaar, Peter A.

“…Methane fluxes were related to the first principles of transport and kinetics (microbial and chemical reactions). The difference between the kinetic scale and…”
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Modeling methane fluxes in wetlands with gas-transporting plants: 3. Plot scale by Segers, Reinoud, Leffelaar, Peter A.

“…A process model based on kinetic principles was developed for methane fluxes from wetlands with gas‐transporting plants and a fluctuating water table. Water…”
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Modeling methane fluxes in wetlands with gas-transporting plants: 2. Soil layer scale by Segers, Reinoud, Rappoldt, Cornelis, Leffelaar, Peter A.

“…Methane dynamics in a water‐saturated soil layer with gas‐transporting roots is modeled with a weighed set of single‐root model systems. Each model system…”
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Modelling belowground processes to explain field-scale emissions of nitrous oxide by Langeveld, Cor A., Leffelaar, Peter A.

“…Globally, soils are the most important source of nitrous oxide (N 2O). In several recent studies, N 2O fluxes from soils have been monitored. Regression…”
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