Nickel (Ni) was the latest element to have its nutritional essentiality recognized for plants (Brown et al. 1987). It is a component of various enzymes, including glyoxalases (family I), hydrogenases, superoxide dismutase and urease (Chen 2009). Inadequate Ni supply promotes changes in plant metabolism, processes related nitrogen such as amino acids, urea ureides metabolisms (Rodríguez-Jiménez ...

ABSTRACT The adequacy of spraying technology in the control Asian rust to factors related soybean cultivars and fungicide type is fundamental for efficiency this disease. In context, objective was evaluate chemical deposition applied crop, according different volumes spray nozzles. Four field experiments were set up during 2014/2015 season, each carried out with one cultivar, using: NA 5909 RR®...