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Differences in root distribution, nutrient acquisition and nutrient utilization by tropical forage species grown in degraded hillside soil conditions¹ Acta Agron. (Palmira)
Gómez-Carabalí,Arnulfo; Idupulapati Madhusudana,Rao; Ricaute,Jaumer.
Low nutrient availability, especially phosphorus (P) and nitrogen (N) supply is the major limitation to forage production in acid infertile soils of the tropics. A field study was conducted at the farm ‘La Esperanza’ located in Mondomo, Department of Cauca, in the coffee growing zone of Colombia. The main objective was to determine differences in root distribution, nutrient (N, P, K, Ca, Mg and S) acquisition and nutrient utilization of one C4 forage grass (Brachiaria dictyoneura) and two C3 forage legumes (Arachis pintoi and Centrosema macrocarpum) grown under two fertilization levels, cultivated either in monoculture or in association and harvested at four different ages.There were no significant differences in root biomass among the grass and legumes...
Tipo: Journal article Palavras-chave: Plant nutrition; Nutrient uptake; Brachiaria dictyoneura; Centrosema macrocarpum; Arachis pintoi; Hillside; Colombia.
Ano: 2010 URL: http://www.scielo.org.co/scielo.php?script=sci_arttext&pid=S0120-28122010000200009
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