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Phyton (Buenos Aires)

versión On-line ISSN 1851-5657


LAO, MT; JIMENEZ, S; EYMAR, E  y  FERNANDEZ, EJ. Nutrient levels of the soil solution obtained by means of suction cups in intensive tomato cultivation: (with 5 tables & 1 figure). Phyton (B. Aires) [online]. 2004, vol.73, pp.29-37. ISSN 1851-5657.

Suction cups are the only viable method to obtain in situ the soil solution along the culture in real time (24 h). The soil solution is the objective criterion to modify the nutrient solution, so that it can be an appropriate tool for fertirrigation management. The nutrient levels of the soil solution must be known to establish the appropriate approach to nutrients management. In this work, levels of pH, EC,NO3-,NH4+, H+2PO4- , K+, Ca2+, Mg2+, Na+ and Cl- of the soil solution of three tomato crops were followed for periods 1995/96 and 1996/97 culture estimated in a trial carried out during two years.

Palabras clave : fertirrigation management; nutrient parameters; nutrient solution; tomato production.

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