Search Results - "Aizpurua, Ana"

Optimizing Wheat Yield Prediction Integrating Data from Sentinel-1 and Sentinel-2 with CatBoost Algorithm by Uribeetxebarria, Asier, Castellón, Ander, Aizpurua, Ana

“…Accurately estimating wheat yield is crucial for informed decision making in precision agriculture (PA) and improving crop management. In recent years, optical…”
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A First Approach to Determine If It Is Possible to Delineate In-Season N Fertilization Maps for Wheat Using NDVI Derived from Sentinel-2 by Uribeetxebarria, Asier, Castellón, Ander, Aizpurua, Ana

“…Adjusting nitrogen fertilization to the nutritional requirements of crops is one of the major challenges of modern agriculture. The amount of N needed is…”
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Wheat Yield Estimation with NDVI Values Using a Proximal Sensing Tool by Aranguren, Marta, Castellón, Ander, Aizpurua, Ana

“…Nitrogen (N) splitting is critical to achieving high crop yields without having negative effects on the environment. Monitoring crop N status throughout the…”
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Crop Sensor Based Non-destructive Estimation of Nitrogen Nutritional Status, Yield, and Grain Protein Content in Wheat by Aranguren, Marta, Castellón, Ander, Aizpurua, Ana

“…Minimum NNI (Nitrogen Nutrition Index) values have been developed for each key growing stage of wheat (Triticum aestivum) to achieve high grain yields and…”
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Crop Sensor-Based In-Season Nitrogen Management of Wheat with Manure Application by Aranguren, Marta, Castellón, Ander, Aizpurua, Ana

“…It is difficult to predict the crop-available nitrogen (N) from farmyard manures applied to soil. The aim of this study was to assess the usefulness of the…”
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Wheat Grain Protein Content under Mediterranean Conditions Measured with Chlorophyll Meter by Aranguren, Marta, Castellón, Ander, Aizpurua, Ana

“…Adequate N fertilisation is crucial to increase the grain protein content (GPC) values in wheat. The recommended level of GPC needed to achieve high-quality…”
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Intra-Plot Variable N Fertilization in Winter Wheat through Machine Learning and Farmer Knowledge by Uribeetxebarria, Asier, Castellón, Ander, Elorza, Ibai, Aizpurua, Ana

“…The variable fertilization rate (VFR) technique has demonstrated its ability to reduce nutrient losses by adapting the fertilizer dose to crop needs. However,…”
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Soil Properties for Predicting Soil Mineral Nitrogen Dynamics Throughout a Wheat Growing Cycle in Calcareous Soils by Aranguren, Marta, Aizpurua, Ana, Castellón, Ander, Besga, Gerardo, Villar, Nerea

“…A better understanding of the capacity of soils to supply nitrogen (N) to wheat can enhance fertilizer recommendations. The aim of this study was to assess the…”
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15N Natural Abundance Evidences a Better Use of N Sources by Late Nitrogen Application in Bread Wheat by Fuertes-Mendizábal, Teresa, Estavillo, José M., Duñabeitia, Miren K., Huérfano, Ximena, Castellón, Ander, González-Murua, Carmen, Aizpurua, Ana, González-Moro, María Begoña

“…This work explores whether the natural abundance of N isotopes technique could be used to understand the movement of N within the plant during vegetative and…”
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Benefit of ancillary data acquired at the cooperative level to study soil type and climatic zone influence on berry composition: a case study in Rioja appellation by LEIBAR, Urtzi, UNAMUNZAGA, Olatz, FERNÁNDEZ-GÓMEZ, María José, GALINDO-VILLARDÓN, Purificación, CASTRO, Cesar, AIZPURUA, Ana

“…Aim: The main objective of this study was to evaluate the influence of soil type and climate on must qualitative parameters in a winegrower’s cooperative at…”
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Influence of wheat crop on carbon and nitrogen mineralization dynamics after the application of livestock manures by Aranguren, Marta, Castellón, Ander, Besga, Gerardo, Ojinaga, Mikel, Aizpurua, Ana

“…[Display omitted] •Protease and amidase activities are higher when applying slurry or cattle manure.•Urease activity increases when growing wheat at low N…”
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Topdressing nitrogen recommendation in wheat after applying organic manures: the use of field diagnostic tools by Aranguren, Marta, Castellón, Ander, Aizpurua, Ana

“…Nitrogen is the largest input used by farmers, but they often apply excessive quantities of N fertilizer, causing nitrogen losses. In recent years, the…”
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Grape yield and quality responses to simulated year 2100 expected climatic conditions under different soil textures by Leibar, Urtzi, Pascual, Inmaculada, Morales, Fermín, Aizpurua, Ana, Unamunzaga, Olatz

“…BACKGROUND The influence of global warming on grape quality is a great concern among grapegrowers and enologists. The effects of simulated year 2100 expected…”
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How will climate change influence grapevine cv. Tempranillo photosynthesis under different soil textures? by Leibar, Urtzi, Aizpurua, Ana, Unamunzaga, Olatz, Pascual, Inmaculada, Morales, Fermín

“…While photosynthetic responses to elevated CO₂, elevated temperature, or water availability have previously been reported for grapevine as responses to single…”
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Present soils and past land use: the “bracken economy” in Lea-Artibai County (Basque Country, northern Spain) in the late nineteenth and early twentieth centuries by Olarieta, José Ramón, Besga, Gerardo, Aizpurua, Ana

“…Soils in Lea-Artibai County (northern Spain) show three significant features: frequent absence of A horizons, higher nutrient concentrations in the surface…”
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Use of an N-tester chlorophyll meter to tune a late third nitrogen application to wheat under humid Mediterranean conditions by Ortuzar-Iragorri, M. Arritokieta, Aizpurua, Ana, Castellón, Ander, Alonso, Asier, Estavillo, José M., Besga, Gerardo

“…In Northern Spain, winter wheat is usually fertilized with 180-220 kg N/ha split in two applications. To reduce this rate, a strategy was tested which…”
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Soil enzyme activities as biological indicators of soil health by Alkorta, Itziar, Aizpurua, Ana, Riga, Patrick, Albizu, Isabel, Amézaga, Ibone, Garbisu, Carlos

“…Soil health can be defined as the continued capacity of a specific kind of soil to function as a vital living system, within natural or managed ecosystem…”
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15 N Natural Abundance Evidences a Better Use of N Sources by Late Nitrogen Application in Bread Wheat by Fuertes-Mendizábal, Teresa, Estavillo, José M, Duñabeitia, Miren K, Huérfano, Ximena, Castellón, Ander, González-Murua, Carmen, Aizpurua, Ana, González-Moro, María Begoña

“…This work explores whether the natural abundance of N isotopes technique could be used to understand the movement of N within the plant during vegetative and…”
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Laboratory Methods for the Estimation of Soil Apparent N Mineralization and Wheat N Uptake in Calcareous Soils by Villar, Nerea, Aizpurua, Ana, Castellón, Ander, Ortuzar, Maria Arritokieta, Moro, Maria Begoña Gonzalez, Besga, Gerardo

“…ABSTRACTEstimating soil N mineralization is important for determining the amount of N fertilizer needed to obtain optimum yields at minimal environmental and…”
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Molecular microbial biodiversity assessment: a biological indicator of soil health by Alkorta, Itziar, Amezaga, Ibone, Albizu, Isabel, Aizpurua, Ana, Onaindia, Miren, Buchner, Virginia, Garbisu, Carlos

“…The soil performs a variety of key functions: (i) provides the food, fuel, and fiber needs of the world's population, (ii) regulates the quality of the air and…”
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