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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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Hernández C, Andrés; Rubilar P, Rafael
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Gastón Pichard
Pág. 61 - 77
There is little information known about the response of cup-plant (Silphium perfoliatum L.), a perennial forage crop introduced to Chile, to differing cultivation practices. A series of studies was conducted to evaluate the adaptation and productivity...
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Hirzel, Juan; Pedreros, Alberto; Cordero, Karla
Pág. 437 - 444
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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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J. De Grazia, Pablo A. Tittonell, Angel Chiesa
Pág. 151 - 160
Fast-growing seedlings have larger immediate nutrient demands as compared with adult plants. A tray experiment was conducted to evaluate the fertilization of sweet pepper transplants growing on different substrates [Control (60% Sphagnum peat + 40% perli...
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R. Barreyro, J. Ringuelet, S. Agricola
Pág. 34 - 38
he objective of this study was to evaluate the effect of nitrogen fertilization in cultivated oregano (Origanum x applii). This work was conducted in the Pampa Húmeda, La Plata, Argentine, during 1999 and 2000. An oregano crops planted in May 1999 was tr...
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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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H. URZUA, L. BARRALES, H. FAIGUENBAUM, M. GALVEZ, R. ORMAZABAL, R. PIZARRO
Pág. 57 - 60
In order to optimize nitrogen nutrition of green beans for agroindustrial use in the central zone of Chile,Rodríguez?s Reasonable Method (2001) was adapted. The parameters considered in this study are: nitrogendemand by plants (D), soil nitrogen supply (...
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H. Urzúa, J. M. Urzúa, R. Pizarro
Pág. 3 - 6
The growing enphasis in sustainable agriculture nitrogen fertilization using organic materials motivates the study of improved nitrogen availability in vetch (Vicia benghalensis) grown in alluvial soils of central Chile. With the aim of providing alterna...
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