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Yactayo, W.Ramírez, D.Gutiérrez, R.Mares, V.Posadas, A.Quiróz, R.[Effect of partial root-zone drying irrigation timing on potato tuber yield and water use efficiency.]Effect of partial root-zone drying irrigation timing on potato tuber yield and water use efficiency.
Rodríguez Delfin, A.Posadas, A.León Velarde, C.Mares, V.Quiróz, R.[International Symposium on Soilless Culture and Hydroponics. Puebla (Mexico). 15-19 May 2011][Effect of salt and water stress on the proline and total chlorophyll content and nutrients uptake on two sweet potato cultivars grown on soilless culture.]Effect of salt and water stress on the proline and total chlorophyll content and nutrients uptake on two sweet potato cultivars grown on soilless culture.

Harahagazwe, D.Quiróz, R.Condori, B.Barreda, B.Mendiburu, F. deAmele, A.Anthony, D.Atieno, E.Bararyenya, A.Byarugaba, A.A.Demo, P.Lung'aho, C.Mbiri, DMulugeta, G.Nasona, B.Onditi, J.Randrianaivoarivony, J.M.Mubeteneh Tankou, C.Worku, A.Guerrero, J.[Potato yield gap analysis in Sub-Sahara Africa through participatory modeling: Optimizing the value of historial breeding trial data.]Potato yield gap analysis in Sub-Sahara Africa through participatory modeling: Optimizing the value of historial breeding trial data.
Autor: Quiróz, R.

This document highlights the efforts that are being led by the International Potato Center (CIP) to develop cost-effective methods that utilize UAV as a platform to collect accurate and timely data for agricultural statistics. Beyond the platforms, low-cost and high quality sensors for specific a...


Quiróz, R.[Remote sensing as a monitoring tool for cropping area determination in smallholder agriculture in Tanzania and Uganda]Remote sensing as a monitoring tool for cropping area determination in smallholder agriculture in Tanzania and Uganda

Quiróz, R.Posadas, A.Yarleque, C.Heidinger, HalineBarreda, CarolinaRaymundo, R.Carbajal, M.Loayza, H.Tonnang, Henri E.Z.Kroschel, J.Forbes, G.Haan, Stef de[Retos para la produccion sostenible de papas en un clima cambiante: Una perspectiva de investigacion.]Retos para la produccion sostenible de papas en un clima cambiante: Una perspectiva de investigacion.

Segnini, A.Souza, A.A.Novotny, E.H.Bonagamba, T.J.Posadas, A.Quiróz, R.Milori, D.M.B.P.Neto, L.M.[Characterization of peatland soils from the high andes by <sup(13)>C NMR spectroscopy.]Characterization of peatland soils from the high andes by <sup(13)>C NMR spectroscopy.

Carvalho, Leila M. V.Jones, C.Posadas, A.Quiróz, R.Bookhagen, B.Liebmann, B.[Precipitation characteristics of the South American monsoon system derived from multiple data sets.]Precipitation characteristics of the South American monsoon system derived from multiple data sets.

Data acquisition for parameterization is one of the most important limitations for the use of potato crop growth models. Non destructive techniques such as remote sensing for gathering required data could circumvent this limitation. Our goal was to analyze the effects of incorporating ground-base...


Quiróz, R.Loayza, H.Barreda, CarolinaGavilán, C.Posadas, A.Ramírez, D.[Linking process-based potato models with light reflectance data: Does model complexity enhance yield prediction accuracy?]Linking process-based potato models with light reflectance data: Does model complexity enhance yield prediction accuracy?

Carbon accumulation and sequestration in Andean soils are scarcely documented. Carbon contents, carbon stocks, and stability were determined in five Peruvian agroecologies, along a 1,000 km (621 mi) transect covering the arid Pacific coast, the Andean high plateau, and the tropical highland rainf...


Segnini, A.Posadas, A.Quiróz, R.Milori, D.M.B.P.Vaz Patto, Maria CMartin-Neto, L.[Soil carbon stocks and stability across an altitudinal gradient in southern Peru]Soil carbon stocks and stability across an altitudinal gradient in southern Peru

Potato production systems face constant changes in climate conditions and the projections for the future indicate that changes in temperature and precipitation are expected in certain regions of the world. The impact will depend on what we do today to avoid negative consequences. Climate projecti...


Quiróz, R.Posadas, A.Yarleque, C.Heidinger, HalineBarreda, CarolinaRaymundo, R.Carbajal, M.Tonnang, Henri E.Z.Kroschel, J.Forbes, G.Haan, Stef de[Challenges to sustainable potato production in a changing climate: A research perspective.]Challenges to sustainable potato production in a changing climate: A research perspective.

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