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Ricardo Tomás Ollúa, Verónica Romina Logegaray, Ángel Chiesa
Pág. 194 - 203
Los nitratos (NO3-) ingeridos por el hombre pueden convertirse a nitritos (NO2-) formando meta-hemoglobina y nitrosaminas carcinogénicas. La lechuga se encuentra entre las hortalizas con mayor capacidad de acumulación de nitratos. El objetivo del estudio...
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Janaina M. G. Carvalho, Edna M. Bonfim-Silva, Tonny J. Araújo da Silva, Helon H.F. Sousa, Salomão L. Guimarães, Adriano B. Pacheco
Pág. 442 - 451
Wheat (Triticum aestivum L.) is a cereal used in food and feed for its nutritional properties. For nitrogen and potassium management, efficient use of water is required for greater availability and transportation of these nutrients. The objective of this...
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Alejandro Velásquez, Pierre-Guy Marnet, Rodrigo Arias
Pág. 45 - 55
. In a first experiment, the effect of in vitro incubation with Aspergillus niger (An) on the chemical composition of different fibrous substrates was studied. In a second experiment, the effect of incubation time (0, 72 and 144 h) on in vitro digestion ...
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Erwin Yañez-Mansilla, Paula Cartes, Marjorie Reyes-Díaz, Alejandra Ribera-Fonseca, Miren Alberdi
Pág. 61 - 70
Nitrogen (N) is an essential nutrient for photosynthesis and may influence phenolic compound synthesis in higher plants. The effect of different amounts of N (0 to 38 mM) provided on a short-term (4 d) basis on the photosynthetic and antioxidant performa...
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Celerino Quezada, Santiago Hernaíz, Iván Vidal, Roberto Alvarado, Rubén Gallegos, Wilson Yañez
Pág. 375 - 385
Nitrogen agronomic efficiency (NAE) is a key factor that has not been considered in rice breeding programs. The objective of this study was to evaluate nitrogen agronomic efficiency in twenty rice genotypes in an Acuic Durixererts soil (Quella Series) lo...
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Hirzel, Juan; Pedreros, Alberto; Cordero, Karla
Pág. 437 - 444
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Juan W. Mendoza Cortez, Arthur B. Cecílio Filho, Edson L. Coutinho, Anarlete Alves
Pág. 45 - 53
This work was carried out in Jaboticabal (575 m altitude, 21°15? 22? S and 48° 15? 58? W), São Paulo, Brazil, aiming to investigate the effects of cattle manure and nitrogen (urea) doses on radish height and yield. Randomized blocks were used with a 2...
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Guillermo Millán, Florencia Agosto, Mabel Vázquez
Pág. 293 - 302
The properties of clinoptilolite related to cationic exchange and ionic selectivity have motivated us to study its application for agronomic purposes. The high potential of the clinoptilolite has been demonstrated as a vehicle for nitrogen fertiliz...
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Silvia Gaviola, Víctor M. Lipinski
Pág. 57 - 64
The aim of this work was to evaluate the effect of 0, 75, 150, 225, and 300 kg·ha-1 of nitrogen fertilization on the yield and color of red garlic (Allium sativum) cvs. Fuego, Sureño, Gostoso, INCO 30 and Rubí. Treatments were distributed as split plot d...
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C. Bonomelli, D. Cisterna, C. Reciné
Pág. 85 - 91
Purple coneflower (Echinacea purpurea L.), is a medicinal plant whose mineral nutrition has been scarcely studied. In this work, using potted plants, we evaluated Echinacea nutrient uptake and biomass accumulation in relation to nitrogen fertilization do...
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