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Katia Andrade Linarez,Isabel Castillo Coaquira,Roger Quispe Riquelme
El objetivo de la investigación fue determinar la presencia de metales pesados (Pb, Cd y As) en suelos agrícolas y suelos para cultivo de Solanum tuberosum de la Bahía Interior de Puno; las muestras fueron analizadas mediante el método espectrometría de ...
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Guillaume Debaene, Dorota Pikula, Jacek Niedzwiecki
Pág. 21 - 32
The objective of this research was to investigate the effects of a long-term experiment on soil spectral properties and to develop prediction models of these properties (soil organic carbon (SOC), N, pH, Hh, P2O5, K2O, Ca, Mg, K, and Na content) from tex...
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María I. Saldaña y Hernández, Regino Gómez-Álvarez, María del C. Rivera-Cruz, José D. Álvarez-Solís, Juan M. Pat-Fernández, Carlos F. Ortiz-García
Pág. 215 - 224
Organic fertilizers are an important contribution of organic matter that modify the physical, chemical and microbiological characteristics of the soil. To determine the impact of solid and liquid fertilizers on Alpinia purpurata, the nutritional characte...
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Gilberto Villanueva-López, Pablo Martínez-Zurimendi, Luis Ramírez-Avilés, Fernando Casanova-Lugo, Aarón Jarquín-Sánchez
Pág. 175 - 186
The aim of the current study was to evaluate the effects of two livestock systems, a livestock system with live fences (LSLF) of Gliricidia sepium associated with signal grass (Brachiaria decumbens) and a livestock system based on a grass monoculture (LS...
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Carolina Soto
Los lodos generados en plantas de tratamiento de aguas servidas contienen materiales orgánicos ricos en nutrientes como Nitrógeno (N), Fosforo (P) y Potasio (K), además de metales y pequeñas cantidades de otros elementos tales como celulosa y...
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Carlos Sotomayor, Rafael Ruiz, Jorge Castro
Pág. 403 - 409
Iron deficiency is a major problem that affects many fruit crops grown on calcareous soils. A four-year study was conducted to evaluate the effect of calcareous soils on the vegetative growth and productivity of six peach rootstocks (Nemaguard, Atlas, MR...
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Marlene Ayala, Pilar Bañados, Mariana Thielemann, Román Toro
Pág. 71 - 80
In sweet cherries, accumulated nitrogen (N) stores from the previous fall support early spring growth. To complement the N supply in the soil, Chilean growers use foliar urea applications after harvest. Information on the effectiveness of foliar N applic...
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Horacio E. Bown, Euan G. Mason, Michael S. Watt, Peter W. Clinton
Pág. 361 - 374
The 3-PG (Physiological Principles in Predicting Growth) radiation-use efficiency model has been widely used and tested for predicting the primary productivity of forests all over the world. This radiation-use efficiency model accounts for plant nutritio...
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Carlos Esse, Pablo J. Donoso, Víctor Gerding, Francisco Encina-Montoya
Pág. 351 - 360
Nothofagus dombeyi grows in a wide variety of sites in Chile (30-47°S), but there is little knowledge about its productive potential. This lack of information hinders decision-making to better guide the production of goods and services from these forests...
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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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