تلخیص
In a field experiment, nitrogen application ® 50, 75, 100 and 125 Kg ha' to sunflower (Pioneer 6480) gave higher (P<0.05) grain yield of 2.27, 2.39, 2.55 and 2.581 ha' respectively over control. Similarly
plant height, stover yield and number of seeds per floral disc increased at higher rate of nitrogen. However, optimum economic dose appeared to be 100 Kg N ha1
A gradual increase in oil content of seed was also
obtained with successive doses of nitrogen. Application
of phosphorus ® (50 Kg PiOs ha') either by fertigation
or by broadcast methods had no effect on yield
attributes of the crop
M. Akram Nadeem, , M.Azhar Javaid , Ch. Karamat Ali1 . (1996) RESPONSE OF SUNFLOWER TO DIFFERENT NITROGEN LEVELS AND PHOSPHORUS APPLICATION METHOD, The Journal Soil & Environment , Volume 12, Issue (3-4).
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