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Biomass production, arbuscular mycorrhizae and soil plant-available P under water stress in native perennial grasses
Busso, Carlos Alberto; Bolletta, Andrea Ivana (CRC Press-Taylor & Francis, 2010-10)Precipitation determines vegetation type and species relative composition in plant communities [1]; in addition, it is a primary variable affecting soil water storage and availability. This availability is the most important ... -
Defoliation Frequency Effects on Shoots and Roots of Poa ligularis in Arid Patagonia, Argentina
Busso, Carlos Alberto; Gittins Lopez, Cecilia Gabriela; Becker, Guillermo Fernando (Sryahwa Publications, 2016)Poa ligularis is an important forage, perennial bunchgrass in Patagonian rangelands. We hypothesized that (1) root biomass in P. ligularis is not reduced by increased defoliation frequency, as carbon would be allocated ... -
Influence of Soil Water Status on Arbuscular Mycorrhizas in Three Perennial Grasses in Central Argentina
Busso, Carlos Alberto; Bolletta, Andrea Ivana; Flemmer, Andrea Cecilia; Montani, Tomás (Finnish Zoological and Botanical Publishing Board, 2008-12)In this field study, we determined the effects of water stress, rainfed or irrigated conditions on the arbuscular mycorrhizal fungal (AMF) root colonization in the late-seral Stipa clarazii, the earlier-seral S. tenuis and ... -
Perennial grasses of different successional stages under various soil water inputs: do they differ in root length density?
Busso, Carlos Alberto; Bolletta, Andrea Ivana (Asociación Interciencia, Venezuela, 2007-03)Information about root length density (RLD) on perennial grasses of different successional stages exposed to various soil water inputs is limited. The effects on RLD of different soil water inputs were evaluated in the ... -
Soil Phosphorus Concentration under the Canopy of Perennial Grasses of Different Successional Stages Exposed to Water Stress
Busso, Carlos Alberto; Bolletta, Andrea Ivana (Taylor and Francis, 2008-10)In this field study, the effects of water‐stress, rainfed, or irrigated conditions on soil phosphorus (P) concentration under the canopy of the native grasses of semi‐arid Argentina (late seral Stipa clarazii Ball., early ...