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Rodríguez Delfin, A.Posadas, A.León Velarde, C.Mares, V.Quiróz, R.[International Conference and Exhibition on Soilless Culture - ICESC2010. Singapore (Singapore). 8-13 Mar 2010.][Nutrient uptake and yields of four sweet potato cultivars grown in soilless culture at three N, P and K different levels]Nutrient uptake and yields of four sweet potato cultivars grown in soilless culture at three N, P and K different levels
Rodríguez Delfin, A.Posadas, A.León Velarde, C.Mares, V.Quiróz, R.[International Symposium on Soilless Culture and Hydroponics. Puebla (Mexico). 15-19 May 2011][Effect of salt and water stress on the proline and total chlorophyll content and nutrients uptake on two sweet potato cultivars grown on soilless culture.]Effect of salt and water stress on the proline and total chlorophyll content and nutrients uptake on two sweet potato cultivars grown on soilless culture.

Characterisation of a benchmark site is a research activity, therefore the scientific method has to be applied. Within this context, Rey et al (1993) suggested seven general steps for the characterisation of market-oriented dairy systems in sub-Saharan Africa which are also applicable to the crop...


Pezo, Danilo A.León Velarde, C.[Methodologies for analysis of household survey data]Methodologies for analysis of household survey data

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