Abstract

PINILLA QUEZADA, Hernán; BRAVO BUSTOS, Claudia  and  SANHUEZA ROA, Héctor. POTASSIUM REQUIREMENT OF A HYBRID AND CULTIVATE CANOLA (BRASSICA NAPUS CV. OLEÍFERA) AND ITS EFFECT ON PRODUCTION IN TWO SOIL OF THE ANDISOLS REGION OF ARAUCANÍA. Idesia [online]. 2010, vol.28, n.3, pp. 81-86. ISSN 0718-3429.  http://dx.doi.org/10.4067/S0718-34292010000300010.

A study was carried out to assess the requirement of potassium and a hybrid cultivar of canola (Brassica napus cv. Oleífera) and its effect on production and fat content on two soil andisols in the region of Araucania. We used a randomized block design with four doses, 0, 50, 100, 150 kg of K₂O and four repetitions. The variables assessed were: grain yield, fat content and requirement of potassium per quintal. The results indicate that the doses of potassium used, did not significantly affect the performance of the cultivars used, or the fat content in both soils. The average requirement of potassium was 2.7 and 2.6 kg of K qqm for Artus and Tequila, respectively.

Keywords : K fertilization; Brassica napus cv Oleífera; fat raps.