Gómez-Romero M1, E de la Barrera2, J Villegas3, R Lindig-Cisneros4
Phyton-International Journal of Experimental Botany, Vol.82, pp. 135-143, 2013, DOI:10.32604/phyton.2013.82.135
Abstract When degradation is severe, as it is often the case on acrisols, it is necessary to test the effect of plant-plant interactions in their survival and growth. An experiment was conducted, with substrate from an eroded site (acrisols with gullies) in a shaded greenhouse (30% shade) to evaluate the effect of fertilization and the presence of pioneer herbaceous species in the performance of Pinus pseudostrobus. The pioneer species Lupinus mexicanus and Tithonia tubiformis were used in three experimental treatments and a control. To fertilize, KH2PO4 was applied in four concentration levels. There were a total of 16 treatment combinations More >
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